WoRMS taxon details

Chitonidae Rafinesque, 1815

64  (urn:lsid:marinespecies.org:taxname:64)

  1. Biota
  2. Animalia (Kingdom)
  3. Mollusca (Phylum)
  4. Polyplacophora (Class)
  5. Neoloricata (Subclass)
  6. Chitonida (Order)
  7. Chitonina (Suborder)
  8. Chitonoidea (Superfamily)
  9. Chitonidae (Family)
accepted
Family

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  1. Subfamily Acanthopleurinae Dall, 1889
    1. Genus Acanthopleura Guilding, 1830
      1. Species Acanthopleura gemmata (Blainville, 1825)
        1. Subspecies Acanthopleura gemmata maudensis Ashby, 1928 accepted as Acanthopleura gemmata (Blainville, 1825)
        2. Subspecies Acanthopleura gemmata queenslandica Ashby, 1923 accepted as Acanthopleura gemmata (Blainville, 1825)
      2. Species Acanthopleura granulata (Gmelin, 1791)
      3. Species Acanthopleura loochooana (Broderip & G. B. Sowerby I, 1829)
      4. Species Acanthopleura planispina Bergenhayn, 1933
      5. Species Acanthopleura spinosa (Bruguière, 1792)
        1. Variety Acanthopleura spinosa var. montebelloensis Ashby, 1922 accepted as Acanthopleura spinosa (Bruguière, 1792)
      6. Species Acanthopleura tenuispinosa (Leloup, 1939)
      7. Species Acanthopleura testudo (Spengler, 1797)
      8. Species Acanthopleura vaillantii Rochebrune, 1882
      9. Subgenus Acanthopleura (Lucilina) Dall, 1882 accepted as Lucilina Dall, 1882 (junior subjective synonym)
      10. Subgenus Acanthopleura (Mesotomura) Pilsbry, 1893 accepted as Mesotomura Pilsbry, 1893 (unaccepted > superseded rank)
      11. Species Acanthopleura afra Rochebrune, 1882 accepted as Acanthopleura testudo (Spengler, 1797)
      12. Species Acanthopleura arenosa A. J. Ferreira, 1986 accepted as Liolophura arenosa (A. J. Ferreira, 1986) (unaccepted > superseded combination)
      13. Species Acanthopleura balansae Rochebrune, 1882 accepted as Acanthopleura gemmata (Blainville, 1825) (unaccepted > junior subjective synonym)
      14. Species Acanthopleura bergenhayni Leloup, 1937 accepted as Acanthopleura gemmata (Blainville, 1825) (unaccepted > junior subjective synonym)
      15. Species Acanthopleura brevispinosa (G. B. Sowerby II, 1840) accepted as Acanthopleura testudo (Spengler, 1797)
      16. Species Acanthopleura ciliata sensu F. W. Hutton, 1873 accepted as Plaxiphora biramosa (Quoy & Gaimard, 1835) (unaccepted > misapplication, not Sowerby II, 1839)
      17. Species Acanthopleura complexa F. W. Hutton, 1872 accepted as Plaxiphora biramosa (Quoy & Gaimard, 1835) (junior subjective synonym)
      18. Species Acanthopleura curtisiana (E. A. Smith, 1884) accepted as Squamopleura curtisiana (E. A. Smith, 1884) (unaccepted > superseded combination)
      19. Species Acanthopleura echinata (Barnes, 1824) accepted as Enoplochiton echinatus (Barnes, 1824) (unaccepted > superseded combination)
      20. Species Acanthopleura fluxa P. P. Carpenter, 1864 accepted as Nuttallina fluxa (P. P. Carpenter, 1864) (unaccepted > superseded combination)
      21. Species Acanthopleura gaimardi (Blainville, 1825) accepted as Liolophura gaimardi (Blainville, 1825) (unaccepted > superseded combination)
      22. Species Acanthopleura glareosa E. A. Smith, 1884 accepted as Acanthopleura gemmata (Blainville, 1825) (junior subjective synonym)
      23. Species Acanthopleura haddoni Winckworth, 1927 accepted as Acanthopleura vaillantii Rochebrune, 1882
      24. Species Acanthopleura hanleyi (W. Bean, 1844) accepted as Hanleya hanleyi (W. Bean, 1844) (unaccepted > superseded combination)
      25. Species Acanthopleura hirtosa (Blainville, 1825) accepted as Liolophura hirtosa (Blainville, 1825) (unaccepted > superseded combination)
      26. Species Acanthopleura japonica (Lischke, 1873) accepted as Liolophura japonica (Lischke, 1873)
      27. Species Acanthopleura miles (Pilsbry, 1893) accepted as Squamopleura miles (Pilsbry, 1893) (unaccepted > superseded combination)
      28. Species Acanthopleura nigropunctata P. P. Carpenter, 1865 accepted as Lucilina nigropunctata (P. P. Carpenter, 1865) (original combination)
      29. Species Acanthopleura nobilis J. E. Gray, 1843 accepted as Eudoxochiton (Eudoxochiton) nobilis (J. E. Gray, 1843) (unaccepted > superseded combination)
      30. Species Acanthopleura rawakiana Rochebrune, 1882 accepted as Acanthopleura gemmata (Blainville, 1825)
      31. Species Acanthopleura rehderi A. J. Ferreira, 1986 accepted as Liolophura rehderi (A. J. Ferreira, 1986) (unaccepted > superseded combination)
      32. Species Acanthopleura spicifera [sic] accepted as Acanthopleura spiniger (G. B. Sowerby II, 1839) (misspelling)
      33. Species Acanthopleura spiniger (G. B. Sowerby II, 1839) accepted as Acanthopleura gemmata (Blainville, 1825) (the nominal species is a synonym of Acanthopleura gemmata; W Indian Ocean records refer to A. testudo; Red Sea records to A. vaillantii (see Kaas et al. 2006))
      34. Subgenus Acanthopleura (Amphitomura) Pilsbry, 1893 represented as Acanthopleura Guilding, 1830
        1. Species Acanthopleura (Amphitomura) planispina Bergenhayn, 1933 accepted as Acanthopleura planispina Bergenhayn, 1933 (superseded combination)
      35. Species Acanthopleura quatrefagesi Rochebrune, 1881 (uncertain > nomen dubium)
    2. Genus Enoplochiton J. E. Gray, 1847
      1. Species Enoplochiton niger (Barnes, 1824)
      2. Species Enoplochiton echinatus (Barnes, 1824) accepted as Mesotomura echinata (Barnes, 1824) (unaccepted > superseded combination)
      3. Species Enoplochiton torri Bastow & Gatliff, 1907 accepted as Squamopleura curtisiana (E. A. Smith, 1884) (unaccepted > junior subjective synonym)
    3. Genus Liolophura Pilsbry, 1893
      1. Species Liolophura arenosa (A. J. Ferreira, 1986)
      2. Species Liolophura gaimardi (Blainville, 1825)
        1. Forma Liolophura gaimardi f. platispinosa Leloup, 1939 accepted as Acanthopleura loochooana (Broderip & G. B. Sowerby I, 1829) (unaccepted > junior subjective synonym)
        2. Variety Liolophura gaimardi var. queenslandica Pilsbry, 1894 accepted as Liolophura gaimardi (Blainville, 1825)
      3. Species Liolophura hirtosa (Blainville, 1825)
      4. Species Liolophura japonica (Lischke, 1873)
        1. Forma Liolophura japonica f. planispinosa Is. Taki, 1962 accepted as Liolophura japonica (Lischke, 1873)
        2. Forma Liolophura japonica f. tenuispinosa Leloup, 1939 accepted as Acanthopleura tenuispinosa (Leloup, 1939) (unaccepted > superseded combination)
        3. Forma Liolophura japonica f. unispinosa Is. Taki, 1962 accepted as Liolophura japonica (Lischke, 1873)
        4. Variety Liolophura japonica var. tessellata Pilsbry, 1893 accepted as Acanthopleura japonica (Lischke, 1873)
      5. Species Liolophura koreana Yeo & U. W. Hwang, 2021
      6. Species Liolophura rehderi (A. J. Ferreira, 1986)
      7. Species Liolophura sinensis Choi, B. Park & U. W. Hwang, 2021
      8. Species Liolophura tenuispinosa Leloup, 1939 accepted as Acanthopleura tenuispinosa (Leloup, 1939) (unaccepted > superseded combination)
    4. Genus Mesotomura Pilsbry, 1893
      1. Species Mesotomura echinata (Barnes, 1824)
    5. Genus Squamopleura Nierstrasz, 1905
      1. Species Squamopleura araucariana (Hedley, 1898)
      2. Species Squamopleura curtisiana (E. A. Smith, 1884)
      3. Species Squamopleura miles (Pilsbry, 1893)
      4. Species Squamopleura carteri Iredale & Hull, 1926 accepted as Squamopleura miles (Pilsbry, 1893)
      5. Species Squamopleura imitator Nierstrasz, 1905 accepted as Squamopleura miles (Pilsbry, 1893)
      6. Species Squamopleura salisburyi Leloup, 1939 accepted as Squamopleura miles (Pilsbry, 1893)
      7. Species Squamopleura stratiotes Leloup, 1939 accepted as Squamopleura miles (Pilsbry, 1893)
    6. Genus Acanthozostera Iredale & Hull, 1926 accepted as Acanthopleura Guilding, 1830 (unaccepted > junior subjective synonym)
      1. Species Acanthozostera virens Ang, 1967 accepted as Acanthopleura gemmata (Blainville, 1825)
    7. Genus Clavarizona Hull, 1923 accepted as Liolophura Pilsbry, 1893 (unaccepted > junior subjective synonym)
    8. Genus Corephium J. E. Gray, 1847 (uncertain)
  2. Subfamily Chitoninae Rafinesque, 1815
    1. Genus Chiton Linnaeus, 1758
      1. Species Chiton albolineatus Broderip & G. B. Sowerby I, 1829
      2. Species Chiton articulatus G. B. Sowerby I, 1832
      3. Species Chiton barnesii J. E. Gray, 1828
      4. Species Chiton capriarum Scacchi, 1836
      5. Species Chiton ceylanicus E. A. Smith, 1904
      6. Species Chiton connectens Thiele, 1909
      7. Species Chiton cumingsii Frembly, 1827
        1. Variety Chiton cumingsii var. rufescens G. B. Sowerby II, 1833 (uncertain > taxon inquirendum, use in recent liteature currently undocumented)
      8. Species Chiton glaucus J. E. Gray, 1828
      9. Species Chiton granoradiatus Leloup, 1937
      10. Species Chiton granosus Frembly, 1827
      11. Species Chiton groschi Kaas, 1979
      12. Species Chiton kaasi (Leloup, 1981)
      13. Species Chiton laterorugosus Kaas, 1986
      14. Species Chiton magnificus Deshayes, 1827
      15. Species Chiton marmoratus Gmelin, 1791
      16. Species Chiton marquesanus Pilsbry, 1893
      17. Species Chiton squamosus Linnaeus, 1764
        1. Variety Chiton squamosus var. similis Petit de la Saussaye, 1856 accepted as Chiton tuberculatus Linnaeus, 1758
      18. Species Chiton stokesii Broderip, 1832
        1. Variety Chiton stokesii var. broderipi Clessin, 1903 accepted as Chiton stokesii Broderip, 1832
      19. Species Chiton tuberculatus Linnaeus, 1758
        1. Subspecies Chiton tuberculatus ater Pilsbry, 1893 accepted as Chiton tuberculatus Linnaeus, 1758
      20. Species Chiton virgulatus G. B. Sowerby II, 1840
      21. Species Chiton viridis Spengler, 1797
        1. Variety Chiton viridis var. rubrocarinatus Nowell-Usticke, 1959 accepted as Chiton viridis Spengler, 1797
      22. Subgenus Chiton (Acanthochaetes) [sic] accepted as Chiton (Acanthochites) Risso, 1826 (misspelling)
        1. Species Chiton (Acanthochaetes) achates A. Gould, 1859 accepted as Chiton (Acanthochites) achates A. Gould, 1859 (unaccepted > superseded combination)
      23. Subgenus Chiton (Acanthochites) Risso, 1826 accepted as Acanthochitona J. E. Gray, 1821 (synonym)
        1. Species Chiton (Acanthochites) achates A. Gould, 1859 accepted as Acanthochitona achates (A. Gould, 1859)
      24. Subgenus Chiton (Acanthochiton) Herrmannsen, 1846 accepted as Acanthochitona J. E. Gray, 1821 (unaccepted > superseded rank)
        1. Species Chiton (Acanthochiton) asbestoides E. A. Smith, 1884 accepted as Acanthochitona sueurii (Blainville, 1825)
        2. Species Chiton (Acanthochiton) spiculosus Reeve, 1847 accepted as Acanthochitona spiculosa (Reeve, 1847) (unaccepted > superseded combination)
      25. Subgenus Chiton (Acanthopleura) Guilding, 1830 accepted as Acanthopleura Guilding, 1830
        1. Species Chiton (Acanthopleura) blauneri Shuttleworth, 1856 accepted as Acanthopleura granulata (Gmelin, 1791) (junior subjective synonym)
        2. Species Chiton (Acanthopleura) mucronulatus Shuttleworth, 1853 accepted as Acanthopleura granulata (Gmelin, 1791) (junior subjective synonym)
        3. Species Chiton (Acanthopleura) piceolus Shuttleworth, 1853 accepted as Lepidochitona (Lepidochitona) piceola (Shuttleworth, 1853) (original combination)
      26. Subgenus Chiton (Ametrogephyrus) Middendorff, 1847 accepted as Cryptoplax Blainville, 1818 (a junior synonym)
      27. Subgenus Chiton (Anthochiton) Thiele, 1893 accepted as Rhyssoplax Thiele, 1893
        1. Species Chiton (Anthochiton) asbestoides E. A. Smith, 1884 accepted as Acanthochitona sueurii (Blainville, 1825)
        2. Species Chiton (Anthochiton) tricostalis Pilsbry, 1894 accepted as Chiton (Rhyssoplax) tricostalis Pilsbry, 1894
        3. Subgenus Chiton (Aulacochiton) Shuttleworth, 1853 accepted as Lorica H. Adams & A. Adams, 1852
        4. Subgenus Chiton (Callistochiton) P. P. Carpenter, 1879 accepted as Callistochiton P. P. Carpenter, 1879 (superseded combination)
          1. Species Chiton (Callistochiton) adenensis E. A. Smith, 1891 accepted as Callistochiton adenensis (E. A. Smith, 1891) (original combination)
          2. Species Chiton (Callistochiton) coppingeri E. A. Smith, 1884 accepted as Ischnochiton (Heterozona) fruticosus (A. Gould, 1846)
        5. Subgenus Chiton (Chaetopleura) Shuttleworth, 1853 accepted as Chaetopleura (Chaetopleura) Shuttleworth, 1853 (original combination)
          1. Species Chiton (Chaetopleura) asper Shuttleworth, 1856 accepted as Calloplax janeirensis (J. E. Gray, 1828) (junior subjective synonym)
          2. Species Chiton (Chaetopleura) candisatus Shuttleworth, 1856 accepted as Chaetopleura apiculata (Say, 1834) (junior subjective synonym)
          3. Species Chiton (Chaetopleura) plumosus A. Gould, 1859 accepted as Plaxiphora caelata (Reeve, 1847) (junior subjective synonym)
          4. Species Chiton (Chaetopleura) vespertinus A. Gould, 1852 accepted as Mopalia vespertina (A. Gould, 1852) (unaccepted > superseded combination)
        6. Subgenus Chiton (Chitonellus) Lamarck, 1819 accepted as Cryptoplax Blainville, 1818
          1. Species Chiton (Chitonellus) burrowi E. A. Smith, 1884 accepted as Cryptoplax burrowi (E. A. Smith, 1884) (original combination)
        7. Subgenus Chiton (Clathropleura) Tiberi, 1877 accepted as Chiton (Rhyssoplax) Thiele, 1893 (synonym)
          1. Species Chiton (Clathropleura) bellulus Thiele, 1909 accepted as Chiton (Rhyssoplax) coxi Pilsbry, 1894
          2. Species Chiton (Clathropleura) bocki Bergenhayn, 1933 accepted as Chiton (Rhyssoplax) kurodai Is. Taki & Iw. Taki, 1929
          3. Species Chiton (Clathropleura) pacificus Thiele, 1909 accepted as Rhyssoplax perviridis (P. P. Carpenter, 1865) (junior subjective synonym)
          4. Species Chiton (Clathropleura) peregrinus Thiele, 1909 accepted as Chiton (Rhyssoplax) peregrinus Thiele, 1909 (superseded combination)
          5. Species Chiton (Clathropleura) platei Thiele, 1909 accepted as Chiton (Tegulaplax) hululensis (E. A. Smith, 1903) (unaccepted > junior subjective synonym)
          6. Species Chiton (Clathropleura) rueppelli Thiele, 1909 accepted as Chiton (Rhyssoplax) maldivensis (E. A. Smith, 1903)
        8. Subgenus Chiton (Craspedochiton) Shuttleworth, 1853 accepted as Craspedochiton Shuttleworth, 1853 (original rank)
        9. Subgenus Chiton (Cryptochiton) Middendorff, 1847 accepted as Cryptochiton Middendorff, 1847 (original rank)
          1. Species Chiton (Cryptochiton) stelleri Middendorff, 1847 accepted as Cryptochiton stelleri (Middendorff, 1847) (original combination)
        10. Subgenus Chiton (Cryptoplax) Blainville, 1818 accepted as Cryptoplax Blainville, 1818 (original combination)
        11. Subgenus Chiton (Dichachiton) Middendorff, 1847 accepted as Cryptoplax Blainville, 1818 (a junior synonym)
        12. Subgenus Chiton (Eudoxochiton) Shuttleworth, 1853 accepted as Eudoxochiton Shuttleworth, 1853 (original combination)
        13. Subgenus Chiton (Hamachiton) Middendorff, 1847 accepted as Acanthochitona J. E. Gray, 1821 (a junior synonym)
        14. Subgenus Chiton (Hanleya) J. E. Gray, 1857 accepted as Hanleya J. E. Gray, 1857 (unaccepted > superseded rank)
          1. Species Chiton (Hanleya) sykesi G. B. Sowerby III, 1903 accepted as Leptochiton sykesi (G. B. Sowerby III, 1903) (original combination)
        15. Subgenus Chiton (Ischnochiton) J. E. Gray, 1847 accepted as Ischnochiton J. E. Gray, 1847 (unaccepted > superseded rank)
          1. Species Chiton (Ischnochiton) caribbaeorum E. A. Smith, 1890 accepted as Ischnochiton striolatus (J. E. Gray, 1828) (unaccepted > junior subjective synonym)
          2. Species Chiton (Ischnochiton) curtisianus E. A. Smith, 1884 accepted as Squamopleura curtisiana (E. A. Smith, 1884) (original combination)
          3. Species Chiton (Ischnochiton) imitator E. A. Smith, 1881 accepted as Ischnochiton stramineus (G. B. Sowerby I, 1832) (synonym)
          4. Species Chiton (Ischnochiton) lateritius Shuttleworth, 1853 accepted as Ischnochiton erythronotus (C. B. Adams, 1845) (junior subjective synonym)
          5. Species Chiton (Ischnochiton) lutulatus Shuttleworth, 1853 accepted as Ischnochiton striolatus (J. E. Gray, 1828)
          6. Species Chiton (Ischnochiton) yerburyi E. A. Smith, 1891 accepted as Ischnochiton (Ischnochiton) yerburyi (E. A. Smith, 1891) (basionym)
        16. Subgenus Chiton (Ischnoradsia) Shuttleworth, 1853 accepted as Ischnochiton (Ischnoradsia) Shuttleworth, 1853 (original combination)
        17. Subgenus Chiton (Lepidopleura) accepted as Lepidopleurus Risso, 1826
          1. Species Chiton (Lepidopleura) lepidus A. Gould, 1859 accepted as Lepidozona luzonica (G. B. Sowerby II, 1842) (unaccepted > junior subjective synonym)
        18. Subgenus Chiton (Lepidopleurus) Risso, 1826 accepted as Lepidopleurus Risso, 1826
          1. Species Chiton (Lepidopleurus) albrechtii (Schrenck, 1863) accepted as Tripoplax albrechtii (Schrenck, 1863) (unaccepted > superseded combination)
        19. Subgenus Chiton (Leptochiton) J. E. Gray, 1847 accepted as Leptochiton J. E. Gray, 1847 (unaccepted > superseded rank)
          1. Species Chiton (Leptochiton) comptus A. Gould, 1859 accepted as Ischnochiton (Haploplax) comptus (A. Gould, 1859) (original combination)
          2. Species Chiton (Leptochiton) concinnus A. Gould, 1859 accepted as Leptochiton hakodatensis (Thiele, 1909) (invalid: junior homonym of Chiton concinnus G. B. Sowerby, 1840: Lepidopleurus hakodatensis THiele, 1909 is a replacement name)
          3. Species Chiton (Leptochiton) craticulatus A. Gould, 1859 accepted as Lepidozona craticulata (A. Gould, 1859) (superseded combination)
          4. Species Chiton (Leptochiton) jacobaeus A. Gould, 1859 accepted as Callistochiton jacobaeus (A. Gould, 1859) (superseded combination)
        20. Subgenus Chiton (Lophyrus) Poli, 1791 accepted as Chiton Linnaeus, 1758 (synonym)
          1. Species Chiton (Lophyrus) gemmulatus Shuttleworth, 1853 accepted as Chiton viridis Spengler, 1797 (junior subjective synonym)
          2. Species Chiton (Lophyrus) jugosus A. Gould, 1846 accepted as Rhyssoplax jugosa (A. Gould, 1846) (superseded combination)
          3. Species Chiton (Lophyrus) lugubris A. Gould, 1859 accepted as Chiton lugubris A. Gould, 1859 (unaccepted > junior subjective synonym)
          4. Species Chiton (Lophyrus) perviridis P. P. Carpenter, 1865 accepted as Rhyssoplax perviridis (P. P. Carpenter, 1865) (basionym)
        21. Subgenus Chiton (Mopalia) Gray, 1847 accepted as Mopalia Gray, 1847
          1. Species Chiton (Mopalia) stimpsoni A. Gould, 1859 accepted as Placiphorella stimpsoni (A. Gould, 1859) (original combination)
        22. Subgenus Chiton (Mucrosquama) Iredale & Hull, 1926 accepted as Mucrosquama Iredale & Hull, 1926
          1. Species Chiton (Mucrosquama) carnosus Angas, 1867 accepted as Mucrosquama carnosa (Angas, 1867)
          2. Species Chiton (Mucrosquama) particolor (Hull, 1923) accepted as Mucrosquama particolor (Hull, 1923) (unaccepted > superseded combination)
          3. Species Chiton (Mucrosquama) verconis Torr & Ashby, 1898 accepted as Mucrosquama verconis (Torr & Ashby, 1898)
        23. Subgenus Chiton (Nuttallina) Dall, 1871 accepted as Nuttallina Dall, 1871 (unaccepted > superseded rank)
          1. Species Chiton (Nutallina) caprearum Scacchi, 1836 accepted as Lepidochitona caprearum (Scacchi, 1836) (superseded combination)
            1. Variety Chiton (Nuttallina) caprearum var. major Pallary, 1900 accepted as Lepidochitona caprearum (Scacchi, 1836) (superseded combination)
        24. Subgenus Chiton (Onithochiton) J. E. Gray, 1847 accepted as Onithochiton J. E. Gray, 1847 (unaccepted > superseded rank)
          1. Species Chiton (Onithochiton) amicorum Baird, 1873 accepted as Onithochiton amicorum (Baird, 1873) (basionym)
        25. Subgenus Chiton (Phaenochiton) Middendorff, 1847 accepted as Cryptoplax Blainville, 1818 (objective synonym)
        26. Subgenus Chiton (Platysemus) Middendorff, 1847 accepted as Acanthochitona J. E. Gray, 1821 (synonym)
          1. Species Chiton (Platysemus) submarmoreus Middendorff, 1847 accepted as Tonicella submarmorea (Middendorff, 1847) (original combination)
        27. Subgenus Chiton (Plaxiphora) J. E. Gray, 1847 accepted as Plaxiphora J. E. Gray, 1847 (unaccepted > superseded rank)
          1. Species Chiton (Plaxiphora) terminalis E. A. Smith, 1874 accepted as Plaxiphora caelata (Reeve, 1847) (junior subjective synonym)
            1. Variety Chiton (Plaxiphora) terminalis var. zigzag (Pilsbry, 1893) accepted as Plaxiphora caelata (Reeve, 1847) (junior subjective synonym)
        28. Subgenus Chiton (Radsia) Gray, 1847 accepted as Radsia J. E. Gray, 1847
          1. Species Chiton (Radsia) chierchiae Nierstrasz, 1906 accepted as Chiton goodallii Broderip, 1832
        29. Subgenus Chiton (Rhyssoplax) Thiele, 1893 accepted as Rhyssoplax Thiele, 1893
          1. Species Chiton (Rhyssoplax) aereus Reeve, 1847 accepted as Rhyssoplax aerea (Reeve, 1847)
          2. Species Chiton (Rhyssoplax) affinis Issel, 1869 accepted as Rhyssoplax affinis (Issel, 1869)
          3. Species Chiton (Rhyssoplax) baliensis (Bullock, 1989) accepted as Rhyssoplax baliensis Bullock, 1989
          4. Species Chiton (Rhyssoplax) barnardi Ashby, 1931 accepted as Rhyssoplax barnardi (Ashby, 1931)
          5. Species Chiton (Rhyssoplax) bednalli Pilsbry, 1895 accepted as Rhyssoplax bednalli (Pilsbry, 1895)
          6. Species Chiton (Rhyssoplax) bullocki (Sirenko, 2012) accepted as Rhyssoplax bullocki Sirenko, 2012
          7. Species Chiton (Rhyssoplax) burmanus P. P. Carpenter, 1893 accepted as Rhyssoplax burmana (P. P. Carpenter, 1893)
          8. Species Chiton (Rhyssoplax) calliozonus Pilsbry, 1894 accepted as Rhyssoplax calliozona (Pilsbry, 1894) (superseded combination)
          9. Species Chiton (Rhyssoplax) canaliculatus Quoy & Gaimard, 1835 accepted as Rhyssoplax canaliculata (Quoy & Gaimard, 1835) (superseded combination)
            1. Subspecies Chiton (Rhyssoplax) canaliculatus tricostalis Pilsbry, 1894 accepted as Chiton (Rhyssoplax) tricostalis Pilsbry, 1894
          10. Species Chiton (Rhyssoplax) canariensis A. d'Orbigny, 1840 accepted as Rhyssoplax canariensis (A. d'Orbigny, 1840)
          11. Species Chiton (Rhyssoplax) corallinus (Risso, 1826) accepted as Rhyssoplax corallina (Risso, 1826)
          12. Species Chiton (Rhyssoplax) corypheus Hedley & Hull, 1912 accepted as Rhyssoplax coryphea (Hedley & Hull, 1912)
          13. Species Chiton (Rhyssoplax) coxi Pilsbry, 1894 accepted as Rhyssoplax coxi (Pilsbry, 1894)
          14. Species Chiton (Rhyssoplax) crawfordi Sykes, 1899 accepted as Rhyssoplax crawfordi (Sykes, 1899)
          15. Species Chiton (Rhyssoplax) densiliratus P. P. Carpenter, 1893 accepted as Rhyssoplax densilirata (P. P. Carpenter, 1893)
          16. Species Chiton (Rhyssoplax) diaphorus (Iredale & May, 1916) accepted as Rhyssoplax diaphora Iredale & May, 1916
          17. Species Chiton (Rhyssoplax) discolor Souverbie, 1866 accepted as Rhyssoplax discolor (Souverbie, 1866) (unaccepted > superseded combination)
          18. Species Chiton (Rhyssoplax) ectypus (Rochebrune, 1884) accepted as Rhyssoplax ectypa (Rochebrune, 1884)
          19. Species Chiton (Rhyssoplax) exasperatus (Iredale, 1914) accepted as Rhyssoplax exasperata Iredale, 1914 (superseded combination)
          20. Species Chiton (Rhyssoplax) excellens (Iredale & Hull, 1926) accepted as Rhyssoplax pulcherrima (G. B. Sowerby II, 1842)
            1. Subspecies Chiton (Rhyssoplax) excellens capricornensis Ashby, 1928 accepted as Rhyssoplax pulcherrima (G. B. Sowerby II, 1842)
          21. Species Chiton (Rhyssoplax) exoptandus Bednall, 1897 accepted as Rhyssoplax exoptanda (Bednall, 1897)
          22. Species Chiton (Rhyssoplax) fosteri Bullock, 1972 accepted as Rhyssoplax fosteri (Bullock, 1972)
          23. Species Chiton (Rhyssoplax) funereus Hedley & Hull, 1912 accepted as Rhyssoplax funerea (Hedley & Hull, 1912)
          24. Species Chiton (Rhyssoplax) heterodon (Pilsbry, 1893) accepted as Rhyssoplax heterodon (Pilsbry, 1893)
          25. Species Chiton (Rhyssoplax) jugosus A. Gould, 1846 accepted as Rhyssoplax jugosa (A. Gould, 1846) (superseded combination)
          26. Species Chiton (Rhyssoplax) kimberi Ashby, 1928 accepted as Rhyssoplax kimberi (Ashby, 1928)
          27. Species Chiton (Rhyssoplax) komaianus Is. Taki & Iw. Taki, 1929 accepted as Rhyssoplax komaiana (Is. Taki & Iw. Taki, 1929)
          28. Species Chiton (Rhyssoplax) kurodai Is. Taki & Iw. Taki, 1929 accepted as Rhyssoplax kurodai (Is. Taki & Iw. Taki, 1929) (unaccepted > superseded combination)
          29. Species Chiton (Rhyssoplax) linsleyi (Burghardt, 1973) accepted as Rhyssoplax linsleyi Burghardt, 1973
          30. Species Chiton (Rhyssoplax) maldivensis (E. A. Smith, 1903) accepted as Rhyssoplax maldivensis (E. A. Smith, 1903)
          31. Species Chiton (Rhyssoplax) mauritianus Quoy & Gaimard, 1835 accepted as Rhyssoplax mauritiana (Quoy & Gaimard, 1835)
          32. Species Chiton (Rhyssoplax) olivaceus Spengler, 1797 accepted as Rhyssoplax olivacea (Spengler, 1797)
          33. Species Chiton (Rhyssoplax) oruktus Maughan, 1900 accepted as Rhyssoplax orukta (Maughan, 1900)
          34. Species Chiton (Rhyssoplax) peregrinus Thiele, 1909 accepted as Rhyssoplax peregrina (Thiele, 1909)
          35. Species Chiton (Rhyssoplax) perviridis P. P. Carpenter, 1865 accepted as Rhyssoplax perviridis (P. P. Carpenter, 1865)
          36. Species Chiton (Rhyssoplax) phaseolinus Monterosato, 1879 accepted as Rhyssoplax phaseolina (Monterosato, 1879)
          37. Species Chiton (Rhyssoplax) politus Spengler, 1797 accepted as Rhyssoplax polita (Spengler, 1797)
          38. Species Chiton (Rhyssoplax) pulcherrimus G. B. Sowerby II, 1842 accepted as Rhyssoplax pulcherrima (G. B. Sowerby II, 1842)
          39. Species Chiton (Rhyssoplax) pulvinatus P. P. Carpenter, 1893 accepted as Rhyssoplax pulvinata (P. P. Carpenter, 1893)
          40. Species Chiton (Rhyssoplax) rapaitiensis Schwabe & Lozouet, 2006 accepted as Rhyssoplax rapaitiensis (Schwabe & Lozouet, 2006)
          41. Species Chiton (Rhyssoplax) rhynchotus (Rochebrune, 1884) accepted as Rhyssoplax rhynchota (Rochebrune, 1884)
          42. Species Chiton (Rhyssoplax) salihafui Bullock, 1972 accepted as Rhyssoplax salihafui (Bullock, 1972)
          43. Species Chiton (Rhyssoplax) speciosus Nierstrasz, 1905 accepted as Rhyssoplax speciosa (Nierstrasz, 1905)
          44. Species Chiton (Rhyssoplax) stangeri Reeve, 1847 accepted as Rhyssoplax stangeri (Reeve, 1847) (superseded combination)
          45. Species Chiton (Rhyssoplax) subassimilis Souverbie, 1866 accepted as Rhyssoplax subassimilis (Souverbie, 1866)
          46. Species Chiton (Rhyssoplax) tectiformis (Is. Taki, 1938) accepted as Rhyssoplax tectiformis Is. Taki, 1938
          47. Species Chiton (Rhyssoplax) torrianus Hedley & Hull, 1910 accepted as Rhyssoplax torriana (Hedley & Hull, 1910)
          48. Species Chiton (Rhyssoplax) translucens Hedley & Hull, 1909 accepted as Rhyssoplax translucens (Hedley & Hull, 1912)
          49. Species Chiton (Rhyssoplax) tricostalis Pilsbry, 1894 accepted as Rhyssoplax tricostalis (Pilsbry, 1894)
            1. Species Chiton (Rhyssoplax) tulipa Quoy & Gaimard, 1835 accepted as Rhyssoplax polita (Spengler, 1797)
            2. Species Chiton (Rhyssoplax) vauclusensis Hedley & Hull, 1909 accepted as Rhyssoplax vauclusensis (Hedley & Hull, 1912) (superseded combination)
            3. Species Chiton (Rhyssoplax) venustus (Hull, 1923) accepted as Rhyssoplax venusta Hull, 1923
            4. Species Chiton (Rhyssoplax) whitleyi (Iredale & Hull, 1932) accepted as Rhyssoplax whitleyi Iredale & Hull, 1932
          50. Subgenus Chiton (Sclerochiton) Dall, 1882 accepted as Chiton Linnaeus, 1758 (invalid: junior homonym of Sclerochiton Kraatz, 1859 [Coleoptera])
            1. Species Chiton (Sclerochiton) miles Pilsbry, 1893 accepted as Squamopleura miles (Pilsbry, 1893) (unaccepted > superseded combination, original combination)
          51. Subgenus Chiton (Stenosemus) Middendorff, 1847 accepted as Stenosemus Middendorff, 1847 (unaccepted > superseded rank)
            1. Species Chiton (Stenosemus) lineatus W. Wood, 1815 accepted as Tonicella lineata (W. Wood, 1815)
              1. Variety Chiton (Stenosemus) lineatus var. fusca Middendorff, 1847 accepted as Tonicella lineata (W. Wood, 1815)
          52. Subgenus Chiton (Symmetrogephyrus) Middendorff, 1847 accepted as Amicula J. E. Gray, 1847 (unaccepted > junior subjective synonym)
          53. Subgenus Chiton (Sypharochiton) Thiele, 1893 accepted as Sypharochiton Thiele, 1893
            1. Species Chiton (Sypharochiton) nigrovirens [sic] accepted as Radsia nigrovirescens (Blainville, 1825)
          54. Subgenus Chiton (Tegulaplax) Iredale & Hull, 1926 accepted as Tegulaplax Iredale & Hull, 1926
            1. Species Chiton (Tegulaplax) boucheti Kaas, 1989 accepted as Tegulaplax boucheti (Kaas, 1989) (basionym)
            2. Species Chiton (Tegulaplax) hululensis (E. A. Smith, 1903) accepted as Tegulaplax hululensis (E. A. Smith, 1903)
            3. Species Chiton (Tegulaplax) pulcher (Kaas, 1991) accepted as Tegulaplax pulchra Kaas, 1991
            4. Species Chiton (Tegulaplax) pulchrus [sic] accepted as Tegulaplax pulchra Kaas, 1991 (misspelling)
          55. Subgenus Chiton (Tonicia) Gray, 1840 accepted as Tonicia Gray, 1840
            1. Species Chiton (Tonicia) schrammi Shuttleworth, 1856 accepted as Tonicia schrammi (Shuttleworth, 1856) (original combination)
          56. Species Chiton abyssorum G. O. Sars, 1878 accepted as Hanleya hanleyi (W. Bean, 1844)
          57. Species Chiton achatinus T. Brown, 1827 accepted as Callochiton septemvalvis (Montagu, 1803) (synonym)
          58. Species Chiton aculeatus Quoy & Gaimard, 1835 accepted as Cryptoplax larvaeformis (Burrow, 1815) (junior subjective synonym)
          59. Species Chiton acutiliratus Reeve, 1847 accepted as Ischnoplax pectinata (G. B. Sowerby II, 1840)
          60. Species Chiton acutirostratus Reeve, 1847 accepted as Notoplax acutirostrata (Reeve, 1847) (original combination)
          61. Species Chiton acutus P. P. Carpenter, 1856 accepted as Mopalia acuta (P. P. Carpenter, 1856) (original combination)
          62. Species Chiton adelaidensis Reeve, 1847 accepted as Ischnochiton (Haploplax) adelaidensis (Reeve, 1847) (unaccepted > superseded combination)
          63. Species Chiton aereus Reeve, 1847 accepted as Chiton (Rhyssoplax) aereus Reeve, 1847 (superseded combination)
            1. Variety Chiton aereus var. calliozona Pilsbry, 1894 accepted as Chiton (Rhyssoplax) calliozonus Pilsbry, 1894 (superseded combination)
          64. Species Chiton affinis Issel, 1869 accepted as Rhyssoplax affinis (Issel, 1869) (original combination)
          65. Species Chiton alatus G. B. Sowerby II, 1841 accepted as Stenoplax (Stenoplax) alata (G. B. Sowerby II, 1841) (original combination)
          66. Species Chiton albidus Blainville, 1825 accepted as Plaxiphora (Plaxiphora) albida (Blainville, 1825) (original combination)
          67. Species Chiton albrechtii Schrenck, 1863 accepted as Tripoplax albrechtii (Schrenck, 1863) (original combination)
          68. Species Chiton albus sensu Barbut, 1788 not Linnaeus, 1767 accepted as Dinoplax gigas (Gmelin, 1791)
          69. Species Chiton albus Linnaeus, 1767 accepted as Stenosemus albus (Linnaeus, 1767) (original combination)
          70. Species Chiton algesirensis Capellini, 1859 accepted as Leptochiton algesirensis (Capellini, 1859) (original combination)
          71. Species Chiton alveolus Lovén, 1846 accepted as Belknapchiton alveolus (Lovén, 1846) (unaccepted > superseded combination, original combination)
          72. Species Chiton amiculatus Pallas, 1788 accepted as Amicula amiculata (Pallas, 1788) (original combination)
          73. Species Chiton angulatus Spengler, 1797 accepted as Chaetopleura (Chaetopleura) angulata (Spengler, 1797) (original combination)
          74. Species Chiton angusticostatus Quoy & Gaimard, 1835 accepted as Chiton mauritianus Quoy & Gaimard, 1835
          75. Species Chiton angustus Clessin, 1904 accepted as Stenoplax limaciformis (G. B. Sowerby I, 1832)
          76. Species Chiton antiquus Reeve, 1847 accepted as Callistochiton antiquus (Reeve, 1847) (original combination)
          77. Species Chiton aorangi Creese & O'Neill, 1987 accepted as Sypharochiton aorangi (Creese & O'Neill, 1987) (superseded combination)
          78. Species Chiton apiculatus Say, 1834 accepted as Chaetopleura (Chaetopleura) apiculata (Say, 1834) (original combination)
          79. Species Chiton apparata Angas, 1867 accepted as Calloplax janeirensis (J. E. Gray, 1828)
          80. Species Chiton aquatilis Reeve, 1847 accepted as Chiton glaucus J. E. Gray, 1828 (junior subjective synonym)
          81. Species Chiton arbutum Reeve, 1847 accepted as Ischnochiton (Haploplax) arbutum (Reeve, 1847) (original combination)
          82. Species Chiton arcticus (G. O. Sars, 1878) accepted as Leptochiton arcticus (G. O. Sars, 1878) (unaccepted > superseded combination)
          83. Species Chiton argyrostictus R. A. Philippi, 1845 accepted as Tonicia argyrosticta (R. A. Philippi, 1845) (unaccepted > superseded combination)
          84. Species Chiton aselloides R. T. Lowe, 1825 accepted as Stenosemus albus (Linnaeus, 1767) (unaccepted > junior subjective synonym)
          85. Species Chiton asellus Gmelin, 1791 accepted as Leptochiton asellus (Gmelin, 1791) (original combination)
          86. Species Chiton ashbyi Barnard, 1963 accepted as Callistochiton ashbyi (Barnard, 1963) (original combination)
          87. Species Chiton asperrimus A. Gould, 1852 accepted as Chaetopleura (Chaetopleura) asperrima (A. Gould, 1852) (unaccepted > superseded combination)
          88. Species Chiton assimilis Reeve, 1847 accepted as Chiton tuberculatus Linnaeus, 1758
            1. Variety Chiton assimilis var. reeveanus Clessin, 1903 accepted as Chiton tuberculatus Linnaeus, 1758
          89. Species Chiton astriger Reeve, 1847 accepted as Acanthochitona astrigera (Reeve, 1847) (original combination)
          90. Species Chiton atratus G. B. Sowerby II, 1839 accepted as Tonicia atrata (G. B. Sowerby II, 1839) (original combination)
          91. Species Chiton auratus Spalowsky, 1795 accepted as Plaxiphora (Plaxiphora) aurata (Spalowsky, 1795) (superseded combination)
          92. Species Chiton aureomaculatus Bednall & E. H. Matthews, 1906 accepted as Chiton (Rhyssoplax) tricostalis Pilsbry, 1894
          93. Species Chiton aureus [sic] accepted as Plaxiphora aurata (Spalowsky, 1795) (misspelling of original species name, Chiton auratus Spalowsky, 1795)
          94. Species Chiton australis G. B. Sowerby II, 1833 accepted as Ischnochiton (Ischnoradsia) australis (G. B. Sowerby II, 1840) (superseded combination)
          95. Species Chiton baliensis (Bullock, 1989) accepted as Rhyssoplax baliensis Bullock, 1989
          96. Species Chiton barnardi Ashby, 1931 accepted as Rhyssoplax barnardi (Ashby, 1931)
          97. Species Chiton bednalli Pilsbry, 1895 accepted as Rhyssoplax bednalli (Pilsbry, 1895) (original combination)
          98. Species Chiton bergoti Vélain, 1877 accepted as Ischnochiton (Ischnochiton) bergoti (Vélain, 1877) (original combination)
          99. Species Chiton bicolor Spengler, 1797 accepted as Callochiton dentatus (Spengler, 1797)
          100. Species Chiton bicostatus A. d'Orbigny, 1841 accepted as Callistochiton pulchellus (Gray, 1828)
          101. Species Chiton bipunctatus Fischer von Waldheim, 1807 accepted as Chiton squamosus Linnaeus, 1764
          102. Species Chiton bipunctatus G. B. Sowerby I, 1832 accepted as Cyanoplax beanii (P. P. Carpenter, 1857) (unaccepted > junior homonym, invalid: not Fischer von Waldheim, 1807)
          103. Species Chiton biramosus Quoy & Gaimard, 1835 accepted as Plaxiphora (Plaxiphora) biramosa (Quoy & Gaimard, 1835) (superseded combination)
          104. Species Chiton bistriatus W. Wood, 1815 accepted as Chiton tuberculatus Linnaeus, 1758 (junior subjective synonym)
          105. Species Chiton blainvillii Broderip, 1832 accepted as Placiphorella blainvillii (Broderip, 1832) (unaccepted > superseded combination)
          106. Species Chiton borbonicus Deshayes, 1863 accepted as Acanthopleura brevispinosa (G. B. Sowerby II, 1840)
          107. Species Chiton boucheti Kaas, 1989 accepted as Tegulaplax boucheti (Kaas, 1989) (original combination)
          108. Species Chiton bowenii P. P. King, 1832 accepted as Chiton magnificus Deshayes, 1827
          109. Species Chiton brandtii Middendorff, 1847 accepted as Schizoplax brandtii (Middendorff, 1847) (original combination)
          110. Species Chiton brevispinosus G. B. Sowerby II, 1840 accepted as Acanthopleura testudo (Spengler, 1797) (unaccepted > junior subjective synonym, original combination)
          111. Species Chiton bruguieri Potiez & Michaud, 1838 accepted as Tonicia chilensis (Frembly, 1827)
          112. Species Chiton bullocki (Sirenko, 2012) accepted as Rhyssoplax bullocki Sirenko, 2012
          113. Species Chiton burmanus P. P. Carpenter, 1893 accepted as Rhyssoplax burmana (P. P. Carpenter, 1893) (original combination)
          114. Species Chiton caelatus Reeve, 1847 accepted as Plaxiphora (Plaxiphora) caelata (Reeve, 1847) (superseded combination)
          115. Species Chiton cajetanus Poli, 1791 accepted as Lepidopleurus cajetanus (Poli, 1791) (original combination)
          116. Species Chiton californicus Reeve, 1847 accepted as Nuttallina californica (Reeve, 1847) (original combination)
          117. Species Chiton californicus Prescott, 1864 accepted as Cryptochiton stelleri (Middendorff, 1847) (unaccepted > junior homonym, a junior homonym of Chiton californicus Reeve, 1847)
          118. Species Chiton caliginosus Reeve, 1847 accepted as Ischnochiton (Haploplax) caliginosus (Reeve, 1847) (original combination)
          119. Species Chiton calliozonus Pilsbry, 1894 accepted as Rhyssoplax calliozona (Pilsbry, 1894) (superseded combination)
          120. Species Chiton canaliculatus Quoy & Gaimard, 1835 accepted as Rhyssoplax canaliculata (Quoy & Gaimard, 1835) (superseded combination)
            1. Variety Chiton canaliculatus var. tricostalis Pilsbry, 1894 accepted as Chiton (Rhyssoplax) tricostalis Pilsbry, 1894 (superseded combination)
          121. Species Chiton canariensis A. d'Orbigny, 1840 accepted as Rhyssoplax canariensis (A. d'Orbigny, 1840)
          122. Species Chiton cancellatus G. B. Sowerby II, 1840 accepted as Leptochiton cancellatus (G. B. Sowerby II, 1840) (original combination)
          123. Species Chiton capensis Schröter, 1801 accepted as Rhyssoplax polita (Spengler, 1797) (unaccepted > junior subjective synonym)
          124. Species Chiton capensis J. E. Gray, 1828 accepted as Chiton nigrovirescens Blainville, 1825 (unaccepted > junior homonym, invalid: junior homonym of Chiton capensis Schröter, 1801)
          125. Species Chiton caprearum Scacchi, 1836 accepted as Lepidochitona caprearum (Scacchi, 1836) (superseded combination)
            1. Variety Chiton caprearum var. major Pallary, 1900 accepted as Lepidochitona corrugata (Reeve, 1848)
          126. Species Chiton carinulatus Reeve, 1847 accepted as Ischnochiton (Ischnochiton) carinulatus (Reeve, 1847) (original combination)
          127. Species Chiton carmichaelis W. Wood, 1828 accepted as Plaxiphora (Plaxiphora) aurata (Spalowsky, 1795) (junior subjective synonym)
          128. Species Chiton carnosus Angas, 1867 accepted as Mucrosquama carnosa (Angas, 1867) (unaccepted > superseded combination)
          129. Species Chiton castaneus W. Wood, 1815 accepted as Callochiton dentatus (Spengler, 1797)
          130. Species Chiton castaneus Quoy & Gaimard, 1835 accepted as Chaetopleura papilio (Spengler, 1797) (invalid: junior homonym of Chiton castaneus W. Wood, 1815)
          131. Species Chiton castaneus A. Gould, 1852 accepted as Hemiarthrum setulosum P. P. Carpenter, 1876 (invalid: junior primary homonym of Chiton castaneus W. Wood, 1815)
          132. Species Chiton castus Reeve, 1847 accepted as Ischnochiton contractus (Reeve, 1847)
          133. Species Chiton catenulatus G. B. Sowerby I, 1832 accepted as Stenoplax rugulata (G. B. Sowerby I, 1832)
          134. Species Chiton cerasinus Gmelin, 1791 accepted as Callochiton dentatus (Spengler, 1797)
          135. Species Chiton chemnitzii L. Pfeiffer, 1840 accepted as Chiton squamosus Linnaeus, 1764
          136. Species Chiton chilensis Frembly, 1827 accepted as Tonicia chilensis (Frembly, 1827) (superseded combination)
          137. Species Chiton chiloensis G. B. Sowerby I, 1832 accepted as Tonicia calbucensis Plate, 1898
          138. Species Chiton chitonellus Blainville, 1825 accepted as Cryptoplax larvaeformis (Burrow, 1815)
          139. Species Chiton chlamys Reeve, 1847 accepted as Cryptochiton stelleri (Middendorff, 1847)
          140. Species Chiton ciliatus G. B. Sowerby II, 1839 accepted as Mopalia ciliata (G. B. Sowerby II, 1840) (original combination)
          141. Species Chiton cimex Gmelin, 1791 accepted as Lepidochitona (Lepidochitona) cinerea (Linnaeus, 1767) (dubious synonym)
          142. Species Chiton cimicinus Spengler, 1797 accepted as Lepidochitona (Lepidochitona) cinerea (Linnaeus, 1767) (dubious synonym)
          143. Species Chiton cimicoides Monterosato, 1879 accepted as Leptochiton cimicoides (Monterosato, 1879) (original combination)
          144. Species Chiton cimolius Reeve, 1847 accepted as Lorica volvox (Reeve, 1847)
          145. Species Chiton cinereus Linnaeus, 1767 sensu O. Fabricius, 1780 accepted as Tonicella rubra (Linnaeus, 1767) (misapplication)
          146. Species Chiton cinereus Linnaeus, 1767 sensu Montagu, 1803 accepted as Leptochiton asellus (Gmelin, 1791) (misapplication)
            1. Variety Chiton cinereus var. alba G. Seguenza, 1874 accepted as Leptochiton algesirensis (Capellini, 1859) (synonym)
          147. Species Chiton cinereus Linnaeus, 1767 sensu Poli, 1791 accepted as Lepidochitona (Lepidochitona) caprearum (Scacchi, 1836) (misapplication)
          148. Species Chiton cinereus Linnaeus, 1767 accepted as Lepidochitona (Lepidochitona) cinerea (Linnaeus, 1767) (original combination)
          149. Species Chiton circellatus Reeve, 1847 accepted as Acanthochitona circellata (Reeve, 1847) (unaccepted > superseded combination)
          150. Species Chiton circumvallatus Reeve, 1847 accepted as Ischnochiton (Ischnochiton) circumvallatus (Reeve, 1847) (superseded combination)
          151. Species Chiton clathratus Reeve, 1847 accepted as Lepidozona clathrata (Reeve, 1847) (original combination)
          152. Species Chiton clavatus Suter, 1907 accepted as Rhyssoplax aerea (Reeve, 1847) (junior subjective synonym)
          153. Species Chiton coarctatus G. B. Sowerby II, 1841 accepted as Leptoplax coarctata (G. B. Sowerby II, 1841) (original combination)
          154. Species Chiton colliei Reeve, 1847 accepted as Mopalia muscosa (A. Gould, 1846)
          155. Species Chiton colubrifer Reeve, 1848 accepted as Ischnochiton (Ischnochiton) colubrifer (Reeve, 1848) (original combination)
          156. Species Chiton columbiensis G. B. Sowerby I, 1832 accepted as Chaetopleura lurida (G. B. Sowerby I, 1832)
          157. Species Chiton concentricus Reeve, 1847 accepted as Chiton (Rhyssoplax) jugosus A. Gould, 1846
          158. Species Chiton concentricus G. B. Sowerby II, 1841 accepted as Lepidopleurus cajetanus (Poli, 1791) (synonym)
          159. Species Chiton concinnus G. B. Sowerby II, 1840 accepted as Ischnochiton (Haploplax) pusio (G. B. Sowerby I, 1832)
          160. Species Chiton confossus A. Gould, 1846 accepted as Lucilina lamellosa (Quoy & Gaimard, 1835) (junior synonym)
          161. Species Chiton constanti Vélain, 1877 accepted as Ischnochiton (Ischnochiton) bergoti (Vélain, 1877)
          162. Species Chiton contractus Reeve, 1847 accepted as Ischnochiton (Ischnochiton) contractus (Reeve, 1847) (original combination)
          163. Species Chiton convexus Blainville, 1825 accepted as Acanthopleura granulata (Gmelin, 1791)
          164. Species Chiton coquimbensis Frembly, 1827 accepted as Enoplochiton niger (Barnes, 1824)
          165. Species Chiton corallinus (Risso, 1826) accepted as Rhyssoplax corallina (Risso, 1826)
            1. Variety Chiton corallinus var. albida Monterosato, 1878 accepted as Rhyssoplax corallina (Risso, 1826)
            2. Variety Chiton corallinus var. flava Monterosato, 1878 accepted as Chiton (Rhyssoplax) corallinus (Risso, 1826)
          166. Species Chiton coreanicus Reeve, 1847 accepted as Lepidozona coreanica (Reeve, 1847) (original combination)
          167. Species Chiton coronatus Locard, 1898 accepted as Placiphorella atlantica (A. E. Verrill & S. Smith, 1882)
          168. Species Chiton corrugatus Reeve, 1848 accepted as Lepidochitona (Lepidochitona) caprearum (Scacchi, 1836) (synonym)
          169. Species Chiton corypheus Hedley & Hull, 1912 accepted as Rhyssoplax coryphea (Hedley & Hull, 1912)
          170. Species Chiton costatus Blainville, 1825 accepted as Plaxiphora albida (Blainville, 1825)
          171. Species Chiton costatus C. B. Adams, 1845 accepted as Chiton viridis Spengler, 1797 (junior synonym)
          172. Species Chiton coxi Pilsbry, 1894 accepted as Rhyssoplax coxi (Pilsbry, 1894)
          173. Species Chiton cranchianus Leach, 1852 accepted as Callochiton septemvalvis septemvalvis (Montagu, 1803) (synonym)
          174. Species Chiton crassus Clessin, 1903 accepted as Chiton squamosus Linnaeus, 1764
          175. Species Chiton crawfordi Sykes, 1899 accepted as Rhyssoplax crawfordi (Sykes, 1899)
          176. Species Chiton crenulatus Broderip, 1832 accepted as Tonicia forbesii P. P. Carpenter, 1857
          177. Species Chiton crinitus Pennant, 1777 accepted as Acanthochitona crinita crinita (Pennant, 1777) (original combination)
          178. Species Chiton crispus Reeve, 1847 accepted as Ischnochiton (Ischnochiton) elongatus crispus (Reeve, 1847) (superseded combination)
          179. Species Chiton crocinus Reeve, 1847 accepted as Callochiton crocinus (Reeve, 1847) (superseded combination)
          180. Species Chiton cruciformis G. B. Sowerby I, 1823 accepted as Cryptoplax larvaeformis (Burrow, 1815)
          181. Species Chiton cumingii Frembly, 1827 accepted as Chiton cumingsii Frembly, 1827
            1. Variety Chiton cumingii var. rufescens G. B. Sowerby II, 1833 accepted as Chiton cumingsii Frembly, 1827
          182. Species Chiton cunninghami Reeve, 1847 accepted as Acanthopleura brevispinosa (G. B. Sowerby II, 1840)
          183. Species Chiton cyaneopunctatus Krauss, 1848 accepted as Ischnochiton lentiginosus (G. B. Sowerby II, 1840) (junior synonym)
          184. Species Chiton decipiens Tiberi, 1877 accepted as Lepidochitona (Lepidochitona) caprearum (Scacchi, 1836) (synonym)
          185. Species Chiton decussatus Reeve, 1847 accepted as Ischnochiton contractus (Reeve, 1847)
          186. Species Chiton defilippii Tapparone Canefri, 1874 accepted as Liolophura japonica (Lischke, 1873)
          187. Species Chiton densiliratus P. P. Carpenter, 1893 accepted as Rhyssoplax densilirata (P. P. Carpenter, 1893)
          188. Species Chiton dentatus Spengler, 1797 accepted as Callochiton dentatus (Spengler, 1797) (original combination)
          189. Species Chiton dentiens A. Gould, 1846 accepted as Cyanoplax dentiens (A. Gould, 1846) (original combination)
          190. Species Chiton diaphorus (Iredale & May, 1916) accepted as Rhyssoplax diaphora Iredale & May, 1916
          191. Species Chiton dieffenbachii Reeve, 1847 accepted as Chaetopleura lurida (G. B. Sowerby I, 1832)
          192. Species Chiton dimorphus Rochebrune, 1889 accepted as Callochiton puniceus (A. Gould, 1846)
          193. Species Chiton discolor Souverbie, 1866 accepted as Rhyssoplax discolor (Souverbie, 1866)
          194. Species Chiton discors Maton & Rackett, 1807 accepted as Callochiton septemvalvis septemvalvis (Montagu, 1803) (synonym)
          195. Species Chiton discrepans T. Brown, 1827 accepted as Acanthochitona discrepans (T. Brown, 1827) (original combination)
          196. Species Chiton disjunctus Frembly, 1827 accepted as Tonicia disjuncta (Frembly, 1827) (superseded combination)
          197. Species Chiton dispar G. B. Sowerby I, 1832 accepted as Ischnochiton (Ischnochiton) dispar (G. B. Sowerby I, 1832) (unaccepted > superseded combination)
          198. Species Chiton dissimilis Reeve, 1847 accepted as Rhyssoplax canariensis (A. d'Orbigny, 1840)
          199. Species Chiton divergens Reeve, 1847 accepted as Ischnochiton fruticosus (A. Gould, 1846)
          200. Species Chiton doriae Capellini, 1859 accepted as Callochiton doriae (Capellini, 1859) (original combination)
          201. Species Chiton echinatus Barnes, 1824 accepted as Mesotomura echinata (Barnes, 1824) (unaccepted > superseded combination)
          202. Species Chiton echinotus Blainville, 1825 accepted as Acanthochitona fascicularis (Linnaeus, 1767) (dubious synonym)
          203. Species Chiton ectypus (Rochebrune, 1884) accepted as Rhyssoplax ectypa (Rochebrune, 1884)
          204. Species Chiton elegans Frembly, 1827 accepted as Tonicia calbucensis Plate, 1898 (invalid: junior homonym of Chiton elegans Blainville, 1825)
            1. Variety Chiton elegans var. sparsus G. B. Sowerby II, 1839 (uncertain > taxon inquirendum, use in recent liteature currently undocumented)
          205. Species Chiton elenensis G. B. Sowerby I, 1832 accepted as Callistochiton elenensis (G. B. Sowerby I, 1832) (original combination)
          206. Species Chiton elongatus Reeve, 1847 accepted as Schizochiton incisus (G. B. Sowerby II, 1841) (invalid: junior homonym of Chiton elongatus Blainville, 1825)
          207. Species Chiton elongatus Blainville, 1825 accepted as Ischnochiton elongatus (Blainville, 1825) (original combination)
          208. Species Chiton emersonianus A. Gould, 1841 accepted as Amicula vestita (Broderip & G. B. Sowerby I, 1829) (unaccepted > unjustified emendation, Unjustified emendation of Chiton emersonii Couthoy, 1838)
          209. Species Chiton emersonii Couthouy, 1838 accepted as Amicula vestita (Broderip & G. B. Sowerby I, 1829)
          210. Species Chiton empleurus F. W. Hutton, 1872 accepted as Callochiton empleurus (F. W. Hutton, 1872) (superseded combination)
          211. Species Chiton erythronotus C. B. Adams, 1845 accepted as Ischnochiton (Ischnochiton) erythronotus (C. B. Adams, 1845) (original combination)
          212. Species Chiton eschscholtzii Middendorff, 1847 accepted as Mopalia lignosa (A. Gould, 1846)
          213. Species Chiton estuarii Brusina, 1870 accepted as Chiton (Rhyssoplax) olivaceus Spengler, 1797 (synonym)
          214. Species Chiton euplaeae O. G. Costa, 1830 accepted as Callochiton doriae (Capellini, 1859) (nomen dubium)
          215. Species Chiton evanidus G. B. Sowerby II, 1840 accepted as Ischnochiton (Ischnoradsia) australis (G. B. Sowerby II, 1840)
          216. Species Chiton exasperatus (Iredale, 1914) accepted as Rhyssoplax exasperata Iredale, 1914 (superseded combination)
          217. Species Chiton exiguus G. B. Sowerby I, 1832 accepted as Weedingia exigua (G. B. Sowerby I, 1832) (original combination)
          218. Species Chiton exoptandus Bednall, 1897 accepted as Rhyssoplax exoptanda (Bednall, 1897) (superseded combination)
          219. Species Chiton fasciatus W. Wood, 1815 accepted as Chiton squamosus Linnaeus, 1764
          220. Species Chiton fasciatus Quoy & Gaimard, 1835 accepted as Cryptoplax larvaeformis (Burrow, 1815) (unaccepted > junior subjective synonym)
          221. Species Chiton fascicularis Linnaeus, 1767 accepted as Acanthochitona fascicularis (Linnaeus, 1767) (original combination)
            1. Variety Chiton fascicularis var. attenuata Jeffreys, 1865 accepted as Acanthochitona crinita (Pennant, 1777) (synonym)
            2. Variety Chiton fascicularis var. major R. A. Philippi, 1836 accepted as Acanthochitona fascicularis (Linnaeus, 1767) (unaccepted > junior subjective synonym)
            3. Variety Chiton fascicularis var. minor R. A. Philippi, 1836 accepted as Acanthochitona crinita (Pennant, 1777) (unaccepted > junior subjective synonym)
            4. Variety Chiton fascicularis var. rubra Issel, 1870 accepted as Acanthochitona fascicularis (Linnaeus, 1767) (synonym)
          222. Species Chiton fastigiatus G. B. Sowerby I, 1833 accepted as Tonicia atrata (G. B. Sowerby II, 1839)
          223. Species Chiton ferrugineus Spengler, 1797 accepted as Chaetopleura (Chaetopleura) angulata (Spengler, 1797) (synonym)
          224. Species Chiton flavescens P. P. Carpenter, 1857 accepted as Cyanoplax beanii (P. P. Carpenter, 1857) (unaccepted > junior subjective synonym)
          225. Species Chiton flemingius Leach, 1852 accepted as Tonicella marmorea (O. Fabricius, 1780) (synonym)
          226. Species Chiton floccatus G. B. Sowerby II, 1842 accepted as Lucilina floccata (G. B. Sowerby II, 1842) (original combination)
          227. Species Chiton foliatus T. Brown, 1818 accepted as Lepidopleurus cajetanus (Poli, 1791) (synonym)
          228. Species Chiton formosus Reeve, 1847 accepted as Notoplax formosa (Reeve, 1847) (original combination)
          229. Species Chiton fortiliratus Reeve, 1847 accepted as Lucilina fortilirata (Reeve, 1847) (original combination)
          230. Species Chiton fosteri Bullock, 1972 accepted as Rhyssoplax fosteri (Bullock, 1972)
          231. Species Chiton foveolatus G. B. Sowerby II, 1839 accepted as Chiton viridis Spengler, 1797
          232. Species Chiton freelandi Forbes, 1844 accepted as Chiton corallinus (Risso, 1826) (dubious synonym)
          233. Species Chiton frembleii Broderip, 1832 accepted as Plaxiphora (Plaxiphora) aurata (Spalowsky, 1795) (junior subjective synonym)
          234. Species Chiton fruticosus A. Gould, 1846 accepted as Ischnochiton (Heterozona) fruticosus (A. Gould, 1846) (original combination)
          235. Species Chiton fulgetrum Reeve, 1847 accepted as Callochiton dentatus (Spengler, 1797)
          236. Species Chiton fuliginatus Reeve, 1847 accepted as Leptochiton fuliginatus (Reeve, 1847) (original combination)
          237. Species Chiton fulminatus Couthouy, 1838 accepted as Tonicella marmorea (O. Fabricius, 1780) (synonym)
          238. Species Chiton fulvus W. Wood, 1815 accepted as Chaetopleura (Chaetopleura) angulata (Spengler, 1797) (synonym)
          239. Species Chiton funereus Hedley & Hull, 1912 accepted as Rhyssoplax funerea (Hedley & Hull, 1912)
          240. Species Chiton furtivus Monterosato, 1879 accepted as Lepidochitona (Lepidochitona) furtiva (Monterosato, 1879) (original combination)
          241. Species Chiton fuscatus Leach, 1852 accepted as Leptochiton asellus (Gmelin, 1791) (synonym)
          242. Species Chiton fuscatus T. Brown, 1827 accepted as Lepidochitona (Lepidochitona) cinerea (Linnaeus, 1767) (dubious synonym)
          243. Species Chiton gaimardi Blainville, 1825 accepted as Liolophura gaimardi (Blainville, 1825) (original combination)
          244. Species Chiton garnoti Blainville, 1825 accepted as Acanthochitona garnoti (Blainville, 1825) (original combination)
          245. Species Chiton gemmatus Blainville, 1825 accepted as Acanthopleura gemmata (Blainville, 1825) (original combination)
          246. Species Chiton georgianus Quoy & Gaimard, 1835 accepted as Liolophura hirtosa (Blainville, 1825)
          247. Species Chiton gigas Gmelin, 1791 accepted as Dinoplax gigas (Gmelin, 1791) (original combination)
          248. Species Chiton glaber Clessin, 1903 accepted as Tonicia calbucensis Plate, 1898
          249. Species Chiton glaucus Quoy & Gaimard, 1835 accepted as Plaxiphora albida (Blainville, 1825)
          250. Species Chiton goodallii Broderip, 1832 accepted as Radsia goodallii (Broderip, 1832) (unaccepted > superseded combination)
          251. Species Chiton gracilis Jeffreys, 1859 accepted as Acanthochitona discrepans (T. Brown, 1827) (synonym)
          252. Species Chiton graniferus G. B. Sowerby I, 1832 accepted as Tonicia calbucensis Plate, 1898
          253. Species Chiton granulatus Gmelin, 1791 accepted as Acanthopleura granulata (Gmelin, 1791) (original combination)
          254. Species Chiton grayii G. B. Sowerby I, 1832 accepted as Tonicia calbucensis Plate, 1898
          255. Species Chiton guildingii Reeve, 1847 accepted as Ceratozona squalida (C. B. Adams, 1845)
          256. Species Chiton hanleyi W. Bean, 1844 accepted as Hanleya hanleyi (W. Bean, 1844) (unaccepted > superseded combination)
          257. Species Chiton hartwegii P. P. Carpenter, 1856 accepted as Cyanoplax hartwegii (P. P. Carpenter, 1856) (original combination)
          258. Species Chiton hennahi J. E. Gray, 1828 accepted as Chaetopleura (Chaetopleura) hennahi (J. E. Gray, 1828) (unaccepted > superseded combination)
          259. Species Chiton heterodon (Pilsbry, 1893) accepted as Rhyssoplax heterodon (Pilsbry, 1893)
          260. Species Chiton hindsii Reeve, 1847 accepted as Mopalia hindsii (Reeve, 1847) (original combination)
          261. Species Chiton hirsutus Deshayes, 1827 accepted as Chaetopleura peruviana (Lamarck, 1819)
          262. Species Chiton hirtosus Blainville, 1825 accepted as Liolophura hirtosa (Blainville, 1825) (original combination)
          263. Species Chiton hirudiniformis G. B. Sowerby I, 1832 accepted as Acanthochitona hirudiniformis hirudiniformis (G. B. Sowerby I, 1832) (original combination)
          264. Species Chiton howensis Hedley & Hull, 1912 accepted as Tegulaplax hululensis (E. A. Smith, 1903) (unaccepted > junior subjective synonym)
          265. Species Chiton hullianus Iredale, 1910 accepted as Chiton (Rhyssoplax) torrianus Hedley & Hull, 1910
          266. Species Chiton hululensis (E. A. Smith, 1903) accepted as Tegulaplax hululensis (E. A. Smith, 1903)
          267. Species Chiton huttoni Suter, 1906 accepted as Rhyssoplax aerea (Reeve, 1847) (junior subjective synonym)
          268. Species Chiton iatricus Winckworth, 1930 accepted as Rhyssoplax peregrina (Thiele, 1909)
            1. Variety Chiton iatricus var. winckworthi Kaas, 1954 accepted as Chiton peregrinus Thiele, 1909
          269. Species Chiton illuminatus Reeve, 1847 accepted as Callochiton puniceus (A. Gould, 1846)
          270. Species Chiton imbricatus Nierstrasz, 1905 accepted as Chiton (Tegulaplax) hululensis (E. A. Smith, 1903) (synonym)
          271. Species Chiton imitator E. A. Smith, 1881 accepted as Ischnochiton imitator (E. A. Smith, 1881) (junior synonym)
          272. Species Chiton inca A. d'Orbigny, 1841 accepted as Ischnochiton stramineus (G. B. Sowerby I, 1832)
          273. Species Chiton incanus A. Gould, 1846 accepted as Liolophura gaimardi (Blainville, 1825) (junior subjective synonym)
          274. Species Chiton incarnatus Reeve, 1848 accepted as Tonicella rubra (Linnaeus, 1767) (synonym)
          275. Species Chiton incii Reeve, 1847 accepted as Onithochiton quercinus (A. Gould, 1846)
          276. Species Chiton incisus G. B. Sowerby II, 1841 accepted as Schizochiton incisus (G. B. Sowerby II, 1841) (original combination)
          277. Species Chiton incompletus Fischer von Waldheim, 1807 accepted as Tonicia atrata (G. B. Sowerby II, 1839)
          278. Species Chiton inconspicuus G. B. Sowerby II, 1840 (unaccepted > nomen nudum)
          279. Species Chiton indus Gmelin, 1791 accepted as Chiton squamosus Linnaeus, 1764 (possible synonym)
          280. Species Chiton inornatus Tenison Woods, 1881 accepted as Eudoxochiton inornatus (Tenison Woods, 1881) (superseded combination)
          281. Species Chiton inquinatus Reeve, 1847 accepted as Leptochiton inquinatus (Reeve, 1847) (superseded combination)
          282. Species Chiton insculptus A. Adams, 1854 accepted as Rhyssoplax canaliculata (Quoy & Gaimard, 1835) (junior subjective synonym)
          283. Species Chiton insculptus Souverbie, 1866 accepted as Lucilina lamellosa (Quoy & Gaimard, 1835) (junior subjective synonym)
          284. Species Chiton insignis Reeve, 1847 accepted as Tonicella insignis (Reeve, 1847) (original combination)
          285. Species Chiton interstinctus A. Gould, 1852 accepted as Lepidozona interstincta (A. Gould, 1852) (superseded combination)
          286. Species Chiton isabellei A. d'Orbigny, 1839 accepted as Chaetopleura isabellei (A. d'Orbigny, 1839) (unaccepted > superseded combination, original combination)
          287. Species Chiton islandicus Gmelin, 1791 accepted as Leptochiton sarsi Kaas, 1981 (dubious synonym)
          288. Species Chiton janeirensis J. E. Gray, 1828 accepted as Calloplax janeirensis (J. E. Gray, 1828) (original combination)
          289. Species Chiton japonicus Lischke, 1873 accepted as Liolophura japonica (Lischke, 1873) (original combination)
          290. Species Chiton jaspideus A. Gould, 1846 accepted as Chaetopleura hennahi (J. E. Gray, 1828) (junior subjective synonym)
          291. Species Chiton jayi DeKay, 1843 accepted as Chaetopleura apiculata (Say, 1834)
          292. Species Chiton jugosus A. Gould, 1846 accepted as Rhyssoplax jugosa (A. Gould, 1846) (superseded combination)
          293. Species Chiton kimberi Ashby, 1928 accepted as Rhyssoplax kimberi (Ashby, 1928)
          294. Species Chiton komaianus Is. Taki & Iw. Taki, 1929 accepted as Rhyssoplax komaiana (Is. Taki & Iw. Taki, 1929) (unaccepted > superseded combination)
          295. Species Chiton kurodai Is. Taki & Iw. Taki, 1929 accepted as Rhyssoplax kurodai (Is. Taki & Iw. Taki, 1929) (unaccepted > superseded combination)
          296. Species Chiton labeculatus Reeve, 1847 accepted as Callistochiton antiquus (Reeve, 1847)
          297. Species Chiton laevigatus G. B. Sowerby I, 1832 accepted as Chiton articulatus G. B. Sowerby I, 1832
          298. Species Chiton laevigatus J. Fleming, 1813 accepted as Tonicella marmorea (O. Fabricius, 1780) (synonym)
          299. Species Chiton laevis Pennant, 1777 accepted as Tonicella rubra (Linnaeus, 1767) (unaccepted > junior subjective synonym)
          300. Species Chiton laevis Pennant, 1777 sensu Montagu, 1803 accepted as Callochiton septemvalvis (Montagu, 1803) (unaccepted > junior subjective synonym)
            1. Variety Chiton laevis var. navicula Jeffreys, 1865 accepted as Callochiton septemvalvis (Montagu, 1803) (synonym)
          301. Species Chiton lamellosus Quoy & Gaimard, 1835 accepted as Lucilina lamellosa (Quoy & Gaimard, 1835) (original combination)
          302. Species Chiton lamyi Dupuis, 1918 accepted as Rhyssoplax peregrina (Thiele, 1909)
            1. Variety Chiton lamyi var. reticulatus Dupuis, 1918 accepted as Chiton peregrinus Thiele, 1909
          303. Species Chiton laqueatus G. B. Sowerby II, 1842 accepted as Craspedochiton laqueatus (G. B. Sowerby II, 1842) (original combination)
          304. Species Chiton larvaeformis Burrow, 1815 accepted as Cryptoplax larvaeformis (Burrow, 1815) (original combination)
          305. Species Chiton latus Leach, 1852 accepted as Tonicella rubra (Linnaeus, 1767) (synonym)
          306. Species Chiton latus G. B. Sowerby I, 1825 accepted as Chiton magnificus Deshayes, 1827 (invalid: not Lowe, 1825)
          307. Species Chiton latus R. T. Lowe, 1825 accepted as Tonicella marmorea (O. Fabricius, 1780) (synonym)
          308. Species Chiton leachi Blainville, 1825 accepted as Cryptoconchus porosus (Burrow, 1815) (junior objective synonym)
          309. Species Chiton lentiginosus G. B. Sowerby II, 1840 accepted as Ischnochiton (Haploplax) lentiginosus (G. B. Sowerby II, 1840) (original combination)
          310. Species Chiton lepidus A. Gould, 1859 accepted as Lepidozona luzonica (G. B. Sowerby II, 1842) (unaccepted > junior subjective synonym)
          311. Species Chiton lignosus A. Gould, 1846 accepted as Mopalia lignosa (A. Gould, 1846) (superseded combination)
          312. Species Chiton limaciformis G. B. Sowerby I, 1832 accepted as Stenoplax limaciformis (G. B. Sowerby I, 1832) (unaccepted > superseded combination)
          313. Species Chiton limans Pilsbry, 1893 accepted as Chiton carnosus Angas, 1867
          314. Species Chiton limans Sykes, 1896 accepted as Chiton carnosus Angas, 1867
          315. Species Chiton lindholmii Schrenck, 1863 accepted as Stenoplax magdalenensis (Hinds, 1845) (unaccepted > junior subjective synonym)
          316. Species Chiton lineatus W. Wood, 1815 accepted as Tonicella lineata (W. Wood, 1815) (original combination)
          317. Species Chiton lineolatus Blainville, 1825 accepted as Ischnochiton (Ischnochiton) lineolatus (Blainville, 1825) (original combination)
          318. Species Chiton lineolatus Frembly, 1827 accepted as Tonicia chilensis (Frembly, 1827) (invalid: junior homonym of Chiton lineolatus Blainville, 1825; Tonicia fremblyana is a replacement name)
          319. Species Chiton linsleyi (Burghardt, 1973) accepted as Rhyssoplax linsleyi Burghardt, 1973
          320. Species Chiton literatus Krauss, 1848 accepted as Onithochiton literatus (Krauss, 1848) (original combination)
          321. Species Chiton lividus Middendorff, 1847 accepted as Chaetopleura (Chaetopleura) angulata (Spengler, 1797) (synonym)
          322. Species Chiton longicymba Blainville, 1825 accepted as Stenochiton longicymba (Blainville, 1825) (original combination)
          323. Species Chiton longicymba Quoy & Gaimard, 1835 accepted as Ischnochiton maorianus Iredale, 1914 (Invalid as preoccupied by Blainville, 1825. Ischnochiton maorianus Iredale, 1914 is replacement name)
          324. Species Chiton loochooanus Broderip & G. B. Sowerby I, 1829 accepted as Acanthopleura loochooana (Broderip & G. B. Sowerby I, 1829) (original combination)
          325. Species Chiton ludwigi Krauss, 1848 accepted as Ischnochiton textilis (J. E. Gray, 1828) (junior subjective synonym)
          326. Species Chiton lugubris A. Gould, 1859 accepted as Ischnochiton (Ischnoradsia) australis (G. B. Sowerby II, 1840) (unaccepted > junior subjective synonym)
          327. Species Chiton luridus G. B. Sowerby I, 1832 accepted as Chaetopleura lurida (G. B. Sowerby I, 1832) (original combination)
          328. Species Chiton lusitanicus Tilesius, 1802 accepted as Chaetopleura (Chaetopleura) angulata (Spengler, 1797) (synonym)
          329. Species Chiton luteolus W. Wood, 1828 accepted as Chiton viridis Spengler, 1797
          330. Species Chiton luzonicus G. B. Sowerby II, 1842 accepted as Lepidozona luzonica (G. B. Sowerby II, 1842) (original combination)
          331. Species Chiton lyellii G. B. Sowerby I, 1832 accepted as Onithochiton lyellii (G. B. Sowerby I, 1832) (unaccepted > superseded combination)
          332. Species Chiton lyratus G. B. Sowerby II, 1840 accepted as Chiton (Chiton) lyratus G. B. Sowerby II, 1840 (original combination)
          333. Species Chiton macgillivrayi A. Adams, 1855 accepted as Acanthopleura gemmata (Blainville, 1825) (junior synonym)
          334. Species Chiton magdalenensis Hinds, 1845 accepted as Stenoplax (Stenoradsia) magdalenensis (Hinds, 1845) (original combination)
          335. Species Chiton maillardi Deshayes, 1863 accepted as Onithochiton maillardi (Deshayes, 1863) (original combination)
          336. Species Chiton maldivensis (E. A. Smith, 1903) accepted as Rhyssoplax maldivensis (E. A. Smith, 1903)
          337. Species Chiton marginatus Pennant, 1777 accepted as Lepidochitona (Lepidochitona) cinerea (Linnaeus, 1767) (synonym)
          338. Species Chiton marmoreus Reeve, 1847 accepted as Chiton squamosus Linnaeus, 1764
          339. Species Chiton marmoreus O. Fabricius, 1780 accepted as Tonicella marmorea (O. Fabricius, 1780) (unaccepted > superseded combination)
            1. Variety Chiton marmoreus var. caerulea Winkley, 1894 accepted as Tonicella marmorea (O. Fabricius, 1780) (synonym)
          340. Species Chiton mauritianus Quoy & Gaimard, 1835 accepted as Rhyssoplax mauritiana (Quoy & Gaimard, 1835) (superseded combination)
          341. Species Chiton mediterraneus Reeve, 1847 accepted as Ischnochiton (Ischnochiton) rissoi (Payraudeau, 1826) (synonym)
          342. Species Chiton meneghinii Capellini, 1859 accepted as Ischnochiton (Ischnochiton) rissoi (Payraudeau, 1826) (synonym)
          343. Species Chiton merckii Middendorff, 1847 accepted as Mopalia lignosa (A. Gould, 1846)
          344. Species Chiton mertensii Middendorff, 1847 accepted as Lepidozona mertensii (Middendorff, 1847) (original combination)
          345. Species Chiton metallicus Reeve, 1847 accepted as Ischnochiton (Ischnoradsia) australis (G. B. Sowerby II, 1840)
          346. Species Chiton middendorffii Schrenck, 1861 accepted as Mopalia middendorffii (Schrenck, 1862) (original combination)
          347. Species Chiton milleri Reeve, 1847 accepted as Ischnochiton adelaidensis (Reeve, 1847) (unaccepted > junior subjective synonym)
          348. Species Chiton miltoplax Rehder, 1932 accepted as Chiton viridis Spengler, 1797 (unaccepted > nomen nudum)
          349. Species Chiton miniaceus Pilsbry, 1893 accepted as Rhyssoplax discolor (Souverbie, 1866)
          350. Species Chiton minimus Spengler, 1797 accepted as Tonicella rubra (Linnaeus, 1767) (synonym)
          351. Species Chiton minimus Gmelin, 1791 accepted as Stenosemus albus (Linnaeus, 1767) (dubious synonym)
          352. Species Chiton minimus Monterosato, 1878 accepted as Leptochiton cimicoides (Monterosato, 1879)
          353. Species Chiton montereyensis P. P. Carpenter, 1855 accepted as Mopalia lignosa (A. Gould, 1846) (unaccepted > junior subjective synonym)
          354. Species Chiton monticularis Quoy & Gaimard, 1835 accepted as Cryptoconchus porosus (Burrow, 1815) (junior subjective synonym)
          355. Species Chiton montrouzieri Souverbie, 1873 accepted as Lucilina lamellosa (Quoy & Gaimard, 1835)
          356. Species Chiton mulicostatus C. B. Adams, 1845 accepted as Ischnoplax pectinata (G. B. Sowerby II, 1840)
          357. Species Chiton multimaculatus Blainville, 1825 accepted as Chiton squamosus Linnaeus, 1764
          358. Species Chiton muricatus A. Adams, 1852 accepted as Chiton carnosus Angas, 1867 (invalid: junior homonym of Chiton muricatus Tilesius, 1824)
            1. Variety Chiton muricatus var. aurantius Pilsbry, 1893 accepted as Chiton carnosus Angas, 1867
          359. Species Chiton murrayi Haddon, 1886 accepted as Chiton magnificus Deshayes, 1827
          360. Species Chiton muscarius Reeve, 1847 accepted as Ischnochiton (Ischnochiton) muscarius (Reeve, 1847) (original combination)
          361. Species Chiton muscosus A. Gould, 1846 accepted as Mopalia muscosa (A. Gould, 1846) (superseded combination)
          362. Species Chiton nagelfar Lovén, 1846 accepted as Hanleya hanleyi (W. Bean, 1844)
          363. Species Chiton niger Barnes, 1824 accepted as Enoplochiton niger (Barnes, 1824) (original combination)
          364. Species Chiton nigrovirescens Blainville, 1825 accepted as Radsia nigrovirescens (Blainville, 1825) (original combination)
          365. Species Chiton novaehollandiae Reeve, 1847 accepted as Ischnochiton (Ischnoradsia) australis (G. B. Sowerby II, 1840)
          366. Species Chiton nuttalli P. P. Carpenter, 1856 accepted as Lepidochitona hartwegii (P. P. Carpenter, 1855) (unaccepted > junior subjective synonym)
          367. Species Chiton obscurellus Souverbie, 1866 accepted as Plaxiphora obscurella (Souverbie, 1866) (original combination)
          368. Species Chiton obscurus G. B. Sowerby II, 1839 accepted as Chiton tuberculatus Linnaeus, 1758
          369. Species Chiton occidentalis Reeve, 1847 accepted as Acanthopleura granulata (Gmelin, 1791)
          370. Species Chiton olivaceus Frembly, 1827 accepted as Chiton magnificus Deshayes, 1827
          371. Species Chiton olivaceus Spengler, 1797 accepted as Rhyssoplax olivacea (Spengler, 1797)
            1. Subspecies Chiton olivaceus affinis Issel, 1869 accepted as Chiton (Rhyssoplax) affinis Issel, 1869 (misinterpretation)
            2. Variety Chiton olivaceus var. major Pallary, 1900 accepted as Chiton olivaceus Spengler, 1797 (junior subjective synonym)
          372. Species Chiton oniscus Krauss, 1848 accepted as Ischnochiton (Ischnochiton) oniscus (Krauss, 1848) (original combination)
          373. Species Chiton onyx Spengler, 1797 accepted as Acanthochitona crinita (Pennant, 1777) (synonym)
          374. Species Chiton oruktus Maughan, 1900 accepted as Rhyssoplax orukta (Maughan, 1900)
          375. Species Chiton oryza Spengler, 1797 accepted as Stenosemus albus (Linnaeus, 1767) (dubious synonym)
          376. Species Chiton pachylasmae Monterosato, 1879 accepted as Callistochiton pachylasmae (Monterosato, 1879) (original combination)
          377. Species Chiton pallasii Middendorff, 1847 accepted as Amicula vestita (Broderip & G. B. Sowerby I, 1829) (a junior synonym)
          378. Species Chiton pallidulus Reeve, 1847 accepted as Ischnochiton striolatus (J. E. Gray, 1828)
          379. Species Chiton papilio Spengler, 1797 accepted as Chaetopleura (Chaetopleura) papilio (Spengler, 1797) (original combination)
          380. Species Chiton papillosus C. B. Adams, 1845 accepted as Ischnochiton (Ischnochiton) papillosus (C. B. Adams, 1845) (original combination)
          381. Species Chiton particolor (Hull, 1923) accepted as Mucrosquama particolor (Hull, 1923) (unaccepted > superseded combination)
          382. Species Chiton patulus G. B. Sowerby II, 1840 accepted as Chiton stokesii Broderip, 1832
          383. Species Chiton pectinatus G. B. Sowerby II, 1840 accepted as Ischnoplax pectinata (G. B. Sowerby II, 1840) (original combination)
          384. Species Chiton pelliserpentis Quoy & Gaimard, 1835 accepted as Sypharochiton pelliserpentis (Quoy & Gaimard, 1835) (superseded combination)
          385. Species Chiton penicillatus Deshayes, 1863 accepted as Acanthochitona penicillata (Deshayes, 1863) (original combination)
          386. Species Chiton peregrinus Thiele, 1909 accepted as Rhyssoplax peregrina (Thiele, 1909) (superseded combination)
          387. Species Chiton perpunctatus Suter, 1906 (unaccepted > nomen nudum)
          388. Species Chiton pertusus Reeve, 1847 accepted as Chaetopleura (Chaetopleura) pertusa (Reeve, 1847) (original combination)
          389. Species Chiton peruvianus Lamarck, 1819 accepted as Chaetopleura peruviana (Lamarck, 1819) (unaccepted > superseded combination)
          390. Species Chiton perviridis P. P. Carpenter, 1865 accepted as Rhyssoplax perviridis (P. P. Carpenter, 1865) (original combination)
          391. Species Chiton petaloides A. Gould, 1846 accepted as Stenoplax petaloides (A. Gould, 1846) (superseded combination)
          392. Species Chiton petasus Reeve, 1847 accepted as Craspedochiton petasus (Reeve, 1847) (original combination)
          393. Species Chiton petholatus G. B. Sowerby II, 1839 accepted as Plaxiphora albida (Blainville, 1825)
            1. Variety Chiton petholatus var. porphyrius G. B. Sowerby II, 1839 accepted as Plaxiphora albida (Blainville, 1825)
          394. Species Chiton phaseolinus Monterosato, 1879 accepted as Rhyssoplax phaseolina (Monterosato, 1879)
          395. Species Chiton philippii Issel, 1870 accepted as Chiton corallinus (Risso, 1826) (synonym)
          396. Species Chiton piceus Gmelin, 1791 accepted as Acanthopleura granulata (Gmelin, 1791)
          397. Species Chiton pictus W. Bean, 1844 accepted as Tonicella marmorea (O. Fabricius, 1780) (synonym)
          398. Species Chiton pictus Blainville, 1825 accepted as Chiton squamosus Linnaeus, 1764
          399. Species Chiton pictus Reeve, 1847 accepted as Lucilina lamellosa (Quoy & Gaimard, 1835) (unaccepted > junior homonym, invalid; not Blainville, 1825, Lucilina shirleyi is a replacement name)
          400. Species Chiton picus Reeve, 1847 accepted as Ischnochiton (Ischnochiton) dispar (G. B. Sowerby I, 1832)
          401. Species Chiton planatus Spengler, 1797 accepted as Callochiton dentatus (Spengler, 1797)
          402. Species Chiton platessa A. Gould, 1846 accepted as Ischnochiton (Ischnochiton) versicolor (G. B. Sowerby II, 1839) (junior subjective synonym)
          403. Species Chiton polii Deshayes, 1835 accepted as Chiton olivaceus Spengler, 1797 (synonym)
          404. Species Chiton polii R. A. Philippi, 1836 accepted as Lepidochitona (Lepidochitona) caprearum (Scacchi, 1836) (unaccepted > junior homonym, junior homonym of Chiton polii Deshayes, 1833)
          405. Species Chiton politus Spengler, 1797 accepted as Rhyssoplax polita (Spengler, 1797)
          406. Species Chiton porosus Burrow, 1815 accepted as Cryptoconchus porosus (Burrow, 1815) (superseded combination)
          407. Species Chiton porphyreticus Reeve, 1847 accepted as Notoplax violacea (Quoy & Gaimard, 1835) (junior subjective synonym)
          408. Species Chiton porphyrius G. B. Sowerby II, 1839 accepted as Plaxiphora albida (Blainville, 1825)
          409. Species Chiton productus Reeve, 1847 accepted as Stenoplax purpurascens (C. B. Adams, 1845)
          410. Species Chiton proprius Reeve, 1847 accepted as Ischnochiton (Ischnochiton) dispar (G. B. Sowerby I, 1832)
          411. Species Chiton proteus Reeve, 1847 accepted as Ischnochiton versicolor (G. B. Sowerby II, 1840)
          412. Species Chiton pruinosus A. Gould, 1846 accepted as Ischnochiton striolatus (J. E. Gray, 1828) (junior synonym)
          413. Species Chiton pulchellus Gray, 1828 accepted as Callistochiton pulchellus (Gray, 1828) (original combination)
          414. Species Chiton pulchellus R. A. Philippi, 1844 accepted as Rhyssoplax corallina (Risso, 1826) (unaccepted > junior homonym, junior homonym of Chiton pulchellus Gray, 1828)
          415. Species Chiton pulcher (Kaas, 1991) accepted as Tegulaplax pulchra Kaas, 1991
          416. Species Chiton pulcherrimus G. B. Sowerby II, 1842 accepted as Rhyssoplax pulcherrima (G. B. Sowerby II, 1842) (original combination)
          417. Species Chiton pulvinatus P. P. Carpenter, 1893 accepted as Rhyssoplax pulvinata (P. P. Carpenter, 1893)
          418. Species Chiton punctulatissimus G. B. Sowerby I, 1832 accepted as Ischnochiton punctulatissimus (G. B. Sowerby I, 1832) (unaccepted > superseded combination)
          419. Species Chiton puniceus A. Gould, 1846 accepted as Callochiton puniceus (A. Gould, 1846) (superseded combination)
          420. Species Chiton purpurascens C. B. Adams, 1845 accepted as Stenoplax (Stenoplax) purpurascens (C. B. Adams, 1845) (original combination)
          421. Species Chiton pusillus G. B. Sowerby I, 1832 accepted as Ischnochiton (Ischnochiton) pusillus (G. B. Sowerby I, 1832) (unaccepted > superseded combination)
          422. Species Chiton pusio G. B. Sowerby I, 1832 accepted as Ischnochiton (Haploplax) pusio (G. B. Sowerby I, 1832) (unaccepted > superseded combination)
          423. Species Chiton pustulatus Krauss, 1848 accepted as Chaetopleura (Chaetopleura) pustulata (Krauss, 1848) (superseded combination)
          424. Species Chiton quercinus A. Gould, 1846 accepted as Onithochiton quercinus (A. Gould, 1846) (superseded combination)
          425. Species Chiton quinquivalvis T. Brown, 1823 accepted as Lepidochitona (Lepidochitona) cinerea (Linnaeus, 1767) (synonym)
          426. Species Chiton quoyi Deshayes, 1836 accepted as Chiton glaucus J. E. Gray, 1828 (unnecessary replacement name for Chiton viridis Quoy & Gaimard, 1835)
            1. Subspecies Chiton quoyi limosa Suter, 1905 accepted as Chiton glaucus J. E. Gray, 1828 (junior subjective synonym)
            2. Variety Chiton quoyi var. limosa Nierstrasz, 1905 accepted as Chiton glaucus J. E. Gray, 1828
          427. Species Chiton rapaitiensis Schwabe & Lozouet, 2006 accepted as Rhyssoplax rapaitiensis (Schwabe & Lozouet, 2006)
          428. Species Chiton rarinota Jeffreys, 1883 accepted as Leptochiton rarinota (Jeffreys, 1883) (original combination)
          429. Species Chiton raripilosus Blainville, 1825 accepted as Plaxiphora aurata (Spalowsky, 1795) (junior subjective synonym)
          430. Species Chiton regularis P. P. Carpenter, 1856 accepted as Tripoplax regularis (P. P. Carpenter, 1856) (original combination)
          431. Species Chiton reticulatus Nierstrasz, 1905 accepted as Rhyssoplax pulcherrima (G. B. Sowerby II, 1842) (primary homonym of Chiton reticulatus Reeve, 1847; Rhyssoplax nierstrasziana Kaas, 1957 is a replacement name)
          432. Species Chiton retusus G. B. Sowerby I, 1832 accepted as Callistoplax retusa (G. B. Sowerby I, 1832) (original combination)
          433. Species Chiton reussi Prochazka, 1895 accepted as Lepidopleurus cajetanus (Poli, 1791) (junior homonym of Chiton reussi Rolle, 1862)
          434. Species Chiton rhynchotus (Rochebrune, 1884) accepted as Rhyssoplax rhynchota (Rochebrune, 1884)
          435. Species Chiton rissoi Payraudeau, 1826 accepted as Ischnochiton (Ischnochiton) rissoi (Payraudeau, 1826) (original combination)
            1. Variety Chiton rissoi var. carinata Issel, 1870 accepted as Ischnochiton rissoi (Payraudeau, 1826)
            2. Variety Chiton rissoi var. fragilis Monterosato, 1878 accepted as Ischnochiton rissoi (Payraudeau, 1826)
          436. Species Chiton roseus G. B. Sowerby I, 1832 accepted as Stenoplax boogii (Haddon, 1886) (homonym)
          437. Species Chiton rubellus Nardo, 1847 accepted as Chiton (Rhyssoplax) olivaceus Spengler, 1797 (dubious synonym)
          438. Species Chiton rubellus Pilsbry, 1893 accepted as Chiton corallinus (Risso, 1826) (synonym)
          439. Species Chiton ruber Linnaeus, 1767 accepted as Boreochiton ruber (Linnaeus, 1767) (original combination)
            1. Variety Chiton ruber var. oblonga Jeffreys, 1865 accepted as Tonicella rubra (Linnaeus, 1767) (synonym)
          440. Species Chiton rubicundus O. G. Costa, 1830 accepted as Chiton corallinus (Risso, 1826)
          441. Species Chiton rubiginosus (F. W. Hutton, 1872) accepted as Notoplax rubiginosa (F. W. Hutton, 1872) (superseded combination)
          442. Species Chiton rubrolineatus Lischke, 1873 accepted as Acanthochitona rubrolineata (Lischke, 1873) (original combination)
          443. Species Chiton rudis F. W. Hutton, 1872 accepted as Lorica volvox (Reeve, 1847) (junior subjective synonym)
          444. Species Chiton rugosus G. B. Sowerby II, 1840 accepted as Ceratozona squalida (C. B. Adams, 1845) (invalid; not Gray, 1826)
          445. Species Chiton rugulatus G. B. Sowerby I, 1832 accepted as Stenoplax (Stenoplax) rugulata (G. B. Sowerby I, 1832) (original combination)
          446. Species Chiton rusticus Deshayes, 1863 accepted as Chiton mauritianus Quoy & Gaimard, 1835
          447. Species Chiton sagrinatus Couthouy, 1838 accepted as Stenosemus albus (Linnaeus, 1767) (synonym)
          448. Species Chiton salamander Spengler, 1797 accepted as Acanthopleura granulata (Gmelin, 1791)
          449. Species Chiton salihafui Bullock, 1972 accepted as Rhyssoplax salihafui (Bullock, 1972)
          450. Species Chiton sanguineus Deshayes, 1863 accepted as Callochiton deshayesi Thiele, 1909 (invalid; not Reeve, 1847, Callochiton deshayesi is a replacement name)
          451. Species Chiton scaber Reeve, 1847 accepted as Nuttallina californica (Reeve, 1847) (invalid: junior homonym of Chiton scaber Blainville, 1825)
          452. Species Chiton scabriculus G. B. Sowerby I, 1832 accepted as Chaetopleura lurida (G. B. Sowerby I, 1832)
          453. Species Chiton scabridus Jeffreys, 1880 accepted as Leptochiton scabridus (Jeffreys, 1880) (original combination)
          454. Species Chiton scarabaeus Reeve, 1847 accepted as Chiton marmoratus Gmelin, 1791
          455. Species Chiton scoticus Leach, 1852 accepted as Leptochiton asellus (Gmelin, 1791) (synonym)
          456. Species Chiton scrobiculatus Middendorff, 1847 accepted as Lepidozona scrobiculata (Middendorff, 1847) (original combination)
          457. Species Chiton scutiger Reeve, 1847 accepted as Acanthochitona scutigera (Reeve, 1847) (unaccepted > superseded combination)
          458. Species Chiton scytodesma Scacchi, 1836 accepted as Callochiton septemvalvis (Montagu, 1803) (dubious synonym)
          459. Species Chiton segmentatus Reeve, 1847 accepted as Calloplax janeirensis (J. E. Gray, 1828) (unaccepted > junior subjective synonym)
          460. Species Chiton semilaevis Pilsbry, 1893 accepted as Rhyssoplax canariensis (A. d'Orbigny, 1840)
          461. Species Chiton septemvalvis Montagu, 1803 accepted as Callochiton septemvalvis (Montagu, 1803) (original combination)
          462. Species Chiton setiger P. P. King, 1832 accepted as Plaxiphora (Plaxiphora) aurata (Spalowsky, 1795) (junior subjective synonym)
            1. Variety Chiton setiger var. kingi Clessin, 1903 accepted as Plaxiphora aurata (Spalowsky, 1795) (junior subjective synonym)
          463. Species Chiton setosus G. B. Sowerby I, 1832 accepted as Ceratozona angusta Thiele, 1909 (invalid; not Tilesius, 1824, Ceratozona angusta is a replacement name)
          464. Species Chiton shirleyi Iredale, 1914 accepted as Lucilina lamellosa (Quoy & Gaimard, 1835)
          465. Species Chiton siculoides E. A. Smith, 1891 accepted as Rhyssoplax aerea (Reeve, 1847) (unaccepted > nomen nudum)
          466. Species Chiton siculus Gray, 1828 accepted as Chiton (Rhyssoplax) olivaceus Spengler, 1797 (synonym)
          467. Species Chiton simpsonii J. E. Gray, 1847 accepted as Mopalia lignosa (A. Gould, 1846) (unaccepted > nomen nudum)
          468. Species Chiton sinclairi J. E. Gray, 1843 accepted as Sypharochiton sinclairi (J. E. Gray, 1843) (unaccepted > superseded combination)
          469. Species Chiton sitchensis Middendorff, 1847 accepted as Tonicella submarmorea (Middendorff, 1847) (a junior synonym)
          470. Species Chiton sitkensis Reeve, 1847 accepted as Cryptochiton stelleri (Middendorff, 1847)
          471. Species Chiton sowerbianus Reeve, 1847 accepted as Chaetopleura sowerbiana (Reeve, 1847) (original combination)
          472. Species Chiton sowerbyanus Clessin, 1904 accepted as Chaetopleura lurida (G. B. Sowerby I, 1832)
          473. Species Chiton speciosus Nierstrasz, 1905 accepted as Rhyssoplax speciosa (Nierstrasz, 1905)
          474. Species Chiton spengleri Blainville, 1825 accepted as Chiton squamosus Linnaeus, 1764
          475. Species Chiton spiculosus Reeve, 1847 accepted as Acanthochitona spiculosa (Reeve, 1847) (unaccepted > superseded combination)
          476. Species Chiton spiniferus Frembly, 1827 accepted as Acanthopleura echinata (Barnes, 1824)
          477. Species Chiton spiniger G. B. Sowerby II, 1839 accepted as Acanthopleura gemmata (Blainville, 1825)
          478. Species Chiton spinosetatus Bergenhayn, 1930 accepted as Rhyssoplax spinosetata (Bergenhayn, 1930)
          479. Species Chiton spinosus Bruguière, 1792 accepted as Acanthopleura spinosa (Bruguière, 1792) (original combination)
          480. Species Chiton spinulosus Gray, 1828 accepted as Chaetopleura spinulosa (Gray, 1828)
          481. Species Chiton squalidus C. B. Adams, 1845 accepted as Ceratozona squalida (C. B. Adams, 1845) (original combination)
          482. Species Chiton squammulosus Dollfus, 1883 accepted as Chiton (Rhyssoplax) olivaceus Spengler, 1797 (synonym)
          483. Species Chiton squamosum Linnaeus, 1764 accepted as Chiton squamosus Linnaeus, 1764 (unaccepted > incorrect grammatical agreement of specific epithet)
          484. Species Chiton squamulosus C. B. Adams, 1845 accepted as Ischnochiton striolatus (J. E. Gray, 1828) (junior synonym)
          485. Species Chiton stangeri Reeve, 1847 accepted as Chiton (Rhyssoplax) stangeri Reeve, 1847 (superseded combination)
          486. Species Chiton stigma O. G. Costa, 1830 accepted as Callochiton septemvalvis (Montagu, 1803)
          487. Species Chiton stramineus G. B. Sowerby I, 1832 accepted as Ischnochiton stramineus (G. B. Sowerby I, 1832) (original combination)
          488. Species Chiton striatus Brusina, 1870 accepted as Chiton (Rhyssoplax) olivaceus Spengler, 1797 (synonym)
          489. Species Chiton striatus Fischer von Waldheim, 1807 accepted as Chiton squamosus Linnaeus, 1764
          490. Species Chiton striatus Barnes, 1824 accepted as Chiton magnificus Deshayes, 1827 (unaccepted > junior homonym, invalid: junior homonym of Chiton striatus Fischer von Waldheim, 1807)
          491. Species Chiton striolatus J. E. Gray, 1828 accepted as Ischnochiton (Ischnochiton) striolatus (J. E. Gray, 1828) (unaccepted > superseded combination)
          492. Species Chiton subassimilis Souverbie, 1866 accepted as Rhyssoplax subassimilis (Souverbie, 1866) (superseded combination)
          493. Species Chiton subcajetanus A. d'Orbigny, 1852 accepted as Lepidopleurus cajetanus (Poli, 1791) (synonym)
          494. Species Chiton subfuscus G. B. Sowerby I, 1832 accepted as Chiton magnificus Deshayes, 1827
            1. Subspecies Chiton subfuscus mesoglyptus Pilsbry, 1893 accepted as Chiton magnificus Deshayes, 1827
          495. Species Chiton subgigas Blainville, 1825 accepted as Dinoplax gigas (Gmelin, 1791)
          496. Species Chiton submarmoreus Middendorff, 1847 accepted as Tonicella marmorea (O. Fabricius, 1780) (synonym)
          497. Species Chiton sueurii Blainville, 1825 accepted as Acanthochitona sueurii (Blainville, 1825) (original combination)
          498. Species Chiton sueziensis Reeve, 1847 accepted as Lucilina sueziensis (Reeve, 1847) (original combination)
          499. Species Chiton sulcatus W. Wood, 1815 accepted as Radsia sulcatus (W. Wood, 1815) (original combination)
          500. Species Chiton suteri Iredale, 1910 accepted as Rhyssoplax aerea (Reeve, 1847) (junior subjective synonym)
          501. Species Chiton swainsoni G. B. Sowerby I, 1832 accepted as Tonicia swainsoni (G. B. Sowerby I, 1832) (original combination)
          502. Species Chiton tasmanicus Paetel, 1887 accepted as Plaxiphora albida (Blainville, 1825)
          503. Species Chiton tectiformis (Is. Taki, 1938) accepted as Rhyssoplax tectiformis Is. Taki, 1938
          504. Species Chiton tehuelchus A. d'Orbigny, 1839 accepted as Chaetopleura angulata (Spengler, 1797) (unaccepted > junior subjective synonym)
          505. Species Chiton tenuistriatus G. B. Sowerby II, 1840 accepted as Chiton glaucus J. E. Gray, 1828 (junior subjective synonym)
          506. Species Chiton tesselatus Quoy & Gaimard, 1835 accepted as Ischnochiton quoyanus Thiele, 1910 (unaccepted > junior homonym, non Wood, 1815)
          507. Species Chiton tessellatus W. Wood, 1815 accepted as Chiton tuberculatus Linnaeus, 1758 (junior subjective synonym)
          508. Species Chiton testudo Spengler, 1797 accepted as Acanthopleura testudo (Spengler, 1797) (unaccepted > superseded combination)
          509. Species Chiton textilis J. E. Gray, 1828 accepted as Ischnochiton textilis (J. E. Gray, 1828) (unaccepted > superseded combination)
            1. Variety Chiton textilis var. punctulata Krauss, 1848 accepted as Ischnochiton textilis (J. E. Gray, 1828) (junior synonym)
            2. Variety Chiton textilis var. solea G. B. Sowerby II, 1839 (uncertain > taxon inquirendum, use in recent liteature currently undocumented)
          510. Species Chiton themeropis (Iredale, 1914) accepted as Sypharochiton themeropis Iredale, 1914 (superseded combination)
          511. Species Chiton tigrinus Krauss, 1848 accepted as Ischnochiton textilis (J. E. Gray, 1828) (junior synonym)
          512. Species Chiton tigris Spengler, 1797 accepted as Chiton squamosus Linnaeus, 1764
          513. Species Chiton torri Suter, 1907 accepted as Sypharochiton torri (Suter, 1907) (superseded combination)
          514. Species Chiton torri Hedley & Hull, 1909 accepted as Chiton torrianus Hedley & Hull, 1910 (invalid: not Suter, 1907)
          515. Species Chiton torrianus Hedley & Hull, 1910 accepted as Rhyssoplax torriana (Hedley & Hull, 1910)
          516. Species Chiton translucens Hedley & Hull, 1909 accepted as Rhyssoplax translucens (Hedley & Hull, 1912) (superseded combination)
          517. Species Chiton tricostalis Pilsbry, 1894 accepted as Rhyssoplax tricostalis (Pilsbry, 1894)
          518. Species Chiton truncatus G. B. Sowerby II, 1841 accepted as Lucilina truncata (G. B. Sowerby II, 1841) (original combination)
          519. Species Chiton tuberculatus Leach, 1852 accepted as Leptochiton cancellatus (G. B. Sowerby II, 1840) (synonym)
          520. Species Chiton tuberculosus Souverbie, 1866 accepted as Rhyssoplax discolor (Souverbie, 1866)
          521. Species Chiton tulipa Quoy & Gaimard, 1835 accepted as Rhyssoplax polita (Spengler, 1797) (junior subjective synonym)
            1. Subspecies Chiton tulipa alfredensis Ashby, 1928 accepted as Chiton tulipa Quoy & Gaimard, 1835
          522. Species Chiton tunicatus W. Wood, 1815 accepted as Katharina tunicata (W. Wood, 1815) (original combination)
          523. Species Chiton tuticorinensis H. C. Ray & Roychoudhury, 1968 accepted as Chiton granoradiatus Leloup, 1937
          524. Species Chiton undatus Spengler, 1797 accepted as Chiton tuberculatus Linnaeus, 1758
          525. Species Chiton undulatus Quoy & Gaimard, 1835 accepted as Onithochiton neglectus Rochebrune, 1881 (invalid: junior homonym of Chiton undulatus Fischer von Waldheim, 1807)
          526. Species Chiton undulatus Olfers, 1818 accepted as Chiton squamosus Linnaeus, 1764
          527. Species Chiton undulatus Fischer von Waldheim, 1807 accepted as Chiton marmoratus Gmelin, 1791
          528. Species Chiton unicolor Schröter, 1801 accepted as Chiton marmoratus Gmelin, 1791 (unaccepted > junior subjective synonym)
          529. Species Chiton ustulatus Reeve, 1847 accepted as Ischnochiton elongatus (Blainville, 1825)
          530. Species Chiton vangoethemi Leloup, 1981 accepted as Ischnochiton adelaidensis (Reeve, 1847) (unaccepted > junior subjective synonym)
          531. Species Chiton variegatus Leach, 1852 accepted as Lepidochitona (Lepidochitona) cinerea (Linnaeus, 1767) (synonym)
          532. Species Chiton variegatus R. A. Philippi, 1836 accepted as Lepidochitona cinerea (Linnaeus, 1767) (unaccepted > junior homonym, junior homonym of Chiton variegatus Röding, 1798)
          533. Species Chiton variegatus Blainville, 1825 accepted as Chiton squamosus Linnaeus, 1764
          534. Species Chiton vauclusensis Hedley & Hull, 1909 accepted as Rhyssoplax vauclusensis (Hedley & Hull, 1912) (superseded combination)
          535. Species Chiton velatus G. B. Sowerby II, 1833 accepted as Chaetopleura (Chaetopleura) angulata (Spengler, 1797) (synonym)
          536. Species Chiton venustus (Hull, 1923) accepted as Rhyssoplax venusta Hull, 1923
          537. Species Chiton verconis Torr & Ashby, 1898 accepted as Mucrosquama verconis (Torr & Ashby, 1898)
          538. Species Chiton versicolor G. B. Sowerby II, 1840 accepted as Ischnochiton versicolor (G. B. Sowerby II, 1840) (original combination)
          539. Species Chiton versicolor A. Adams, 1854 accepted as Callochiton crocinus (Reeve, 1847) (unaccepted > junior subjective synonym)
          540. Species Chiton vespertinus A. Gould, 1852 accepted as Mopalia vespertina (A. Gould, 1852) (original combination)
          541. Species Chiton vestitus Broderip & G. B. Sowerby I, 1829 accepted as Amicula amiculata (Pallas, 1788) (unaccepted > junior subjective synonym)
          542. Species Chiton violaceus Quoy & Gaimard, 1835 accepted as Notoplax violacea (Quoy & Gaimard, 1835) (superseded combination)
          543. Species Chiton virgatus Reeve, 1848 accepted as Ischnochiton (Ischnochiton) virgatus (Reeve, 1848) (superseded combination)
          544. Species Chiton viridis Quoy & Gaimard, 1835 accepted as Chiton glaucus J. E. Gray, 1828 (junior subjective synonym)
          545. Species Chiton viridis Schröter, 1801 accepted as Plaxiphora tricolor Thiele, 1909 (tentative synonymy)
          546. Species Chiton viridulus A. Gould, 1846 accepted as Ischnochiton (Ischnochiton) viridulus (A. Gould, 1846) (unaccepted > superseded combination)
          547. Species Chiton volvox Reeve, 1847 accepted as Lorica volvox (Reeve, 1847) (original combination)
          548. Species Chiton wahlbergi Krauss, 1848 accepted as Onithochiton literatus (Krauss, 1848)
          549. Species Chiton wallacei Winckworth, 1927 accepted as Rhyssoplax peregrina (Thiele, 1909)
          550. Species Chiton watsoni G. B. Sowerby II, 1840 accepted as Chaetopleura papilio (Spengler, 1797)
          551. Species Chiton whitleyi (Iredale & Hull, 1932) accepted as Rhyssoplax whitleyi Iredale & Hull, 1932
          552. Species Chiton woodii Clessin, 1903 accepted as Chiton sulcatus W. Wood, 1815
          553. Species Chiton wosnessenskii Middendorff, 1847 accepted as Mopalia ciliata (G. B. Sowerby II, 1840)
          554. Species Chiton zelandicus Quoy & Gaimard, 1835 accepted as Acanthochitona zelandica (Quoy & Gaimard, 1835) (superseded combination)
          555. Species Chiton zschaui Pfeffer, 1886 accepted as Tonicina zschaui (Pfeffer, 1886) (original combination)
          556. Subgenus Chiton (Callochiton) J. E. Gray, 1847 represented as Callochiton J. E. Gray, 1847
            1. Species Chiton (Callochiton) carpenteri Clessin, 1903 accepted as Callistochiton pulchellus (Gray, 1828)
            2. Species Chiton (Callochiton) gaimardi Clessin, 1903 accepted as Chaetopleura papilio (Spengler, 1797) (homonym)
          557. Subgenus Chiton (Chiton) Linnaeus, 1758 represented as Chiton Linnaeus, 1758
            1. Species Chiton (Chiton) aorangi Creese & O'Neill, 1987 accepted as Sypharochiton aorangi (Creese & O'Neill, 1987) (superseded combination)
            2. Species Chiton (Chiton) barnardi Ashby, 1931 accepted as Rhyssoplax barnardi (Ashby, 1931)
            3. Species Chiton (Chiton) bowenii P. P. King, 1832 accepted as Chiton magnificus Deshayes, 1827
            4. Species Chiton (Chiton) fosteri Bullock, 1972 accepted as Rhyssoplax fosteri (Bullock, 1972)
            5. Species Chiton (Chiton) lyratus G. B. Sowerby II, 1840 accepted as Chiton (Rhyssoplax) canariensis A. d'Orbigny, 1840 (junior synonym, based on re-examination of type material)
            6. Species Chiton (Chiton) mauritianus Quoy & Gaimard, 1835 accepted as Chiton mauritianus Quoy & Gaimard, 1835
            7. Species Chiton (Chiton) nigrovirescens Blainville, 1825 accepted as Radsia nigrovirescens (Blainville, 1825)
            8. Species Chiton (Chiton) olivaceus Spengler, 1797 accepted as Rhyssoplax olivacea (Spengler, 1797) (unaccepted > superseded combination)
              1. Species Chiton (Chiton) pelliserpentis Quoy & Gaimard, 1835 accepted as Sypharochiton pelliserpentis (Quoy & Gaimard, 1835) (superseded combination)
              2. Species Chiton (Chiton) salihafui Bullock, 1972 accepted as Rhyssoplax salihafui (Bullock, 1972)
              3. Species Chiton (Chiton) speciosus Nierstrasz, 1905 accepted as Chiton (Rhyssoplax) speciosus Nierstrasz, 1905 (original combination)
              4. Species Chiton (Chiton) themeropis (Iredale, 1914) accepted as Sypharochiton themeropis Iredale, 1914 (superseded combination)
              5. Species Chiton (Chiton) torri Suter, 1907 accepted as Sypharochiton torri (Suter, 1907) (superseded combination)
              6. Species Chiton (Chiton) albolineatus Broderip & G. B. Sowerby I, 1829 represented as Chiton albolineatus Broderip & G. B. Sowerby I, 1829
              7. Species Chiton (Chiton) articulatus G. B. Sowerby I, 1832 represented as Chiton articulatus G. B. Sowerby I, 1832
              8. Species Chiton (Chiton) barnesii J. E. Gray, 1828 represented as Chiton barnesii J. E. Gray, 1828
              9. Species Chiton (Chiton) ceylanicus E. A. Smith, 1904 represented as Chiton ceylanicus E. A. Smith, 1904
              10. Species Chiton (Chiton) connectens Thiele, 1909 represented as Chiton connectens Thiele, 1909
              11. Species Chiton (Chiton) cumingsii Frembly, 1827 represented as Chiton cumingsii Frembly, 1827
              12. Species Chiton (Chiton) glaucus J. E. Gray, 1828 represented as Chiton glaucus J. E. Gray, 1828
              13. Species Chiton (Chiton) granoradiatus Leloup, 1937 represented as Chiton granoradiatus Leloup, 1937
              14. Species Chiton (Chiton) granosus Frembly, 1827 represented as Chiton granosus Frembly, 1827
              15. Species Chiton (Chiton) groschi Kaas, 1979 represented as Chiton groschi Kaas, 1979
              16. Species Chiton (Chiton) kaasi (Leloup, 1981) represented as Chiton kaasi (Leloup, 1981)
              17. Species Chiton (Chiton) laterorugosus Kaas, 1986 represented as Chiton laterorugosus Kaas, 1986
              18. Species Chiton (Chiton) magnificus Deshayes, 1827 represented as Chiton magnificus Deshayes, 1827
              19. Species Chiton (Chiton) marmoratus Gmelin, 1791 represented as Chiton marmoratus Gmelin, 1791
              20. Species Chiton (Chiton) marquesanus Pilsbry, 1893 represented as Chiton marquesanus Pilsbry, 1893
              21. Species Chiton (Chiton) squamosus Linnaeus, 1764 represented as Chiton squamosus Linnaeus, 1764
              22. Species Chiton (Chiton) stokesii Broderip, 1832 represented as Chiton stokesii Broderip, 1832
              23. Species Chiton (Chiton) tuberculatus Linnaeus, 1758 represented as Chiton tuberculatus Linnaeus, 1758
              24. Species Chiton (Chiton) virgulatus G. B. Sowerby II, 1840 represented as Chiton virgulatus G. B. Sowerby II, 1840
              25. Species Chiton (Chiton) viridis Spengler, 1797 represented as Chiton viridis Spengler, 1797
            9. Species Chiton aculeatus Linnaeus, 1758 (uncertain > nomen dubium)
            10. Species Chiton alternatus G. B. Sowerby II, 1840 (uncertain > taxon inquirendum, use in recent liteature currently undocumented)
            11. Species Chiton cinerascens Schröter, 1801 (uncertain > nomen dubium)
            12. Species Chiton cingillatus Reeve, 1847 (uncertain > nomen dubium)
            13. Species Chiton clypeus Blainville, 1825 (uncertain > nomen dubium)
            14. Species Chiton cymbiola G. B. Sowerby II, 1833 (uncertain > taxon inquirendum, use in recent liteature currently undocumented)
            15. Species Chiton danielli G. B. Sowerby II, 1833 (uncertain > taxon inquirendum, use in recent liteature currently undocumented)
            16. Species Chiton excavatus G. B. Sowerby II, 1840 (uncertain > taxon inquirendum, use in recent liteature currently undocumented)
            17. Species Chiton fimbriatus G. B. Sowerby II, 1840 (uncertain > taxon inquirendum, use in recent liteature currently undocumented)
            18. Species Chiton hastatus G. B. Sowerby II, 1840 (uncertain > taxon inquirendum, use in recent liteature currently undocumented)
            19. Species Chiton hispidus Linnaeus, 1758 (uncertain > unassessed)
            20. Species Chiton magellanicus Gmelin, 1791 (uncertain > nomen dubium)
            21. Species Chiton mendicarius Mighels & C. B. Adams, 1842 accepted as Hanleya hanleyi (W. Bean, 1844) (uncertain > nomen dubium, uncertain synonym)
            22. Species Chiton multicostatus C. B. Adams, 1845 (uncertain > taxon inquirendum)
            23. Species Chiton muricatus Tilesius, 1824 (uncertain > nomen dubium)
            24. Species Chiton ornatus P. P. Carpenter, 1856 (uncertain > unassessed)
            25. Species Chiton punctatus Linnaeus, 1758 (uncertain > unassessed)
            26. Species Chiton rugosus J. E. Gray, 1826 (uncertain > unassessed)
            27. Species Chiton rugulosus G. B. Sowerby I, 1825 (uncertain > taxon inquirendum, use in recent literature currently undocumented)
            28. Species Chiton scaber Blainville, 1825 (uncertain > taxon inquirendum)
            29. Species Chiton sculptus G. B. Sowerby II, 1839 (uncertain > taxon inquirendum, use in recent liteature currently undocumented)
            30. Species Chiton tuberculiferus G. B. Sowerby I, 1825 (uncertain > taxon inquirendum, use in recent liteature currently undocumented)
            31. Species Chiton undulatus G. B. Sowerby I, 1839 (uncertain > nomen dubium, original combination)
            32. Species Chiton varius G. B. Sowerby II, 1839 (uncertain > taxon inquirendum, use in recent liteature currently undocumented)
          558. Genus Mucrosquama Iredale & Hull, 1926
            1. Species Mucrosquama carnosa (Angas, 1867)
            2. Species Mucrosquama particolor (Hull, 1923)
            3. Species Mucrosquama verconis (Torr & Ashby, 1898)
            4. Species Mucrosquama nielseni Cotton & Weeding, 1939 accepted as Mucrosquama carnosa (Angas, 1867)
            5. Species Mucrosquama sheardi Cotton & Weeding, 1939 accepted as Mucrosquama verconis (Torr & Ashby, 1898)
          559. Genus Radsia J. E. Gray, 1847
            1. Species Radsia goodallii (Broderip, 1832)
            2. Species Radsia nigrovirescens (Blainville, 1825)
            3. Species Radsia sulcatus (W. Wood, 1815)
            4. Species Radsia barnesii (J. E. Gray, 1828) accepted as Chiton barnesii J. E. Gray, 1828 (unaccepted > superseded combination)
          560. Genus Rhyssoplax Thiele, 1893
            1. Species Rhyssoplax aerea (Reeve, 1847)
            2. Species Rhyssoplax affinis (Issel, 1869)
            3. Species Rhyssoplax baliensis Bullock, 1989
            4. Species Rhyssoplax barnardi (Ashby, 1931)
            5. Species Rhyssoplax bednalli (Pilsbry, 1895)
            6. Species Rhyssoplax bullocki Sirenko, 2012
            7. Species Rhyssoplax burmana (P. P. Carpenter, 1893)
            8. Species Rhyssoplax calliozona (Pilsbry, 1894)
            9. Species Rhyssoplax canaliculata (Quoy & Gaimard, 1835)
            10. Species Rhyssoplax canariensis (A. d'Orbigny, 1840)
            11. Species Rhyssoplax corallina (Risso, 1826)
            12. Species Rhyssoplax coryphea (Hedley & Hull, 1912)
            13. Species Rhyssoplax coxi (Pilsbry, 1894)
            14. Species Rhyssoplax crawfordi (Sykes, 1899)
            15. Species Rhyssoplax densilirata (P. P. Carpenter, 1893)
            16. Species Rhyssoplax diaphora Iredale & May, 1916
            17. Species Rhyssoplax discolor (Souverbie, 1866)
            18. Species Rhyssoplax ectypa (Rochebrune, 1884)
            19. Species Rhyssoplax exasperata Iredale, 1914
            20. Species Rhyssoplax exoptanda (Bednall, 1897)
            21. Species Rhyssoplax fosteri (Bullock, 1972)
            22. Species Rhyssoplax funerea (Hedley & Hull, 1912)
            23. Species Rhyssoplax heterodon (Pilsbry, 1893)
            24. Species Rhyssoplax jugosa (A. Gould, 1846)
            25. Species Rhyssoplax kimberi (Ashby, 1928)
            26. Species Rhyssoplax komaiana (Is. Taki & Iw. Taki, 1929)
            27. Species Rhyssoplax kurodai (Is. Taki & Iw. Taki, 1929)
            28. Species Rhyssoplax linsleyi Burghardt, 1973
            29. Species Rhyssoplax maldivensis (E. A. Smith, 1903)
            30. Species Rhyssoplax mauritiana (Quoy & Gaimard, 1835)
            31. Species Rhyssoplax olivacea (Spengler, 1797)
            32. Species Rhyssoplax orukta (Maughan, 1900)
            33. Species Rhyssoplax peregrina (Thiele, 1909)
            34. Species Rhyssoplax perviridis (P. P. Carpenter, 1865)
            35. Species Rhyssoplax phaseolina (Monterosato, 1879)
            36. Species Rhyssoplax polita (Spengler, 1797)
            37. Species Rhyssoplax pulcherrima (G. B. Sowerby II, 1842)
            38. Species Rhyssoplax pulvinata (P. P. Carpenter, 1893)
            39. Species Rhyssoplax rapaitiensis (Schwabe & Lozouet, 2006)
            40. Species Rhyssoplax rhynchota (Rochebrune, 1884)
            41. Species Rhyssoplax salihafui (Bullock, 1972)
            42. Species Rhyssoplax speciosa (Nierstrasz, 1905)
            43. Species Rhyssoplax stangeri (Reeve, 1847)
            44. Species Rhyssoplax subassimilis (Souverbie, 1866)
            45. Species Rhyssoplax tectiformis Is. Taki, 1938
            46. Species Rhyssoplax torriana (Hedley & Hull, 1910)
              1. Variety Rhyssoplax torriana var. klemi Ashby, 1919 accepted as Chiton torrianus Hedley & Hull, 1910 (junior subjective synonym)
            47. Species Rhyssoplax translucens (Hedley & Hull, 1912)
            48. Species Rhyssoplax tricostalis (Pilsbry, 1894)
            49. Species Rhyssoplax vauclusensis (Hedley & Hull, 1912)
            50. Species Rhyssoplax venusta Hull, 1923
            51. Species Rhyssoplax whitleyi Iredale & Hull, 1932
            52. Species Rhyssoplax excellens Iredale & Hull, 1926 accepted as Rhyssoplax pulcherrima (G. B. Sowerby II, 1842)
            53. Species Rhyssoplax geraldtonensis Ashby, 1921 accepted as Rhyssoplax tricostalis (Pilsbry, 1894)
            54. Species Rhyssoplax jacksonensis Ashby, 1921 accepted as Chiton carnosus Angas, 1867
            55. Species Rhyssoplax janeirensis (J. E. Gray, 1828) accepted as Calloplax janeirensis (J. E. Gray, 1828) (unaccepted > superseded combination)
            56. Species Rhyssoplax nierstrasziana Kaas, 1957 accepted as Rhyssoplax pulcherrima (G. B. Sowerby II, 1842)
            57. Species Rhyssoplax oliveri Mestayer, 1921 accepted as Rhyssoplax aerea (Reeve, 1847) (junior subjective synonym)
            58. Species Rhyssoplax particolor Hull, 1923 accepted as Mucrosquama particolor (Hull, 1923) (unaccepted > superseded combination, original combination)
            59. Species Rhyssoplax spinosetata (Bergenhayn, 1930) accepted as Rhyssoplax subassimilis (Souverbie, 1866)
            60. Species Rhyssoplax surrecta Hull, 1922 accepted as Rhyssoplax bednalli (Pilsbry, 1895)
          561. Genus Sypharochiton Thiele, 1893
            1. Species Sypharochiton aorangi (Creese & O'Neill, 1987)
            2. Species Sypharochiton pelliserpentis (Quoy & Gaimard, 1835)
              1. Subspecies Sypharochiton pelliserpentis septentriones Ashby, 1924 accepted as Sypharochiton pelliserpentis (Quoy & Gaimard, 1835) (junior subjective synonym)
            3. Species Sypharochiton sinclairi (J. E. Gray, 1843)
            4. Species Sypharochiton themeropis Iredale, 1914
            5. Species Sypharochiton torri (Suter, 1907)
            6. Species Sypharochiton maugeanus Iredale & May, 1916 accepted as Sypharochiton pelliserpentis (Quoy & Gaimard, 1835) (junior subjective synonym)
          562. Genus Tegulaplax Iredale & Hull, 1926
            1. Species Tegulaplax boucheti (Kaas, 1989)
            2. Species Tegulaplax hululensis (E. A. Smith, 1903)
            3. Species Tegulaplax pulchra Kaas, 1991
            4. Species Tegulaplax matthewsi Iredale & Hull, 1926 accepted as Tegulaplax hululensis (E. A. Smith, 1903) (synonym)
          563. Genus Amaurochiton Thiele, 1893 accepted as Chiton Linnaeus, 1758 (unaccepted > junior subjective synonym)
            1. Species Amaurochiton glaucus (J. E. Gray, 1828) accepted as Chiton glaucus J. E. Gray, 1828 (unaccepted > superseded combination)
          564. Genus Anthochiton Thiele, 1893 accepted as Rhyssoplax Thiele, 1893 (unaccepted > junior subjective synonym)
            1. Subgenus Anthochiton (Nodiplax) Beu, 1967 accepted as Onithochiton J. E. Gray, 1847
          565. Genus Chondroplax Thiele, 1893 accepted as Chiton Linnaeus, 1758 (unaccepted > junior subjective synonym)
          566. Genus Diochiton Thiele, 1893 accepted as Chiton Linnaeus, 1758 (unaccepted > junior subjective synonym)
          567. Genus Georgus Thiele, 1893 accepted as Rhyssoplax Thiele, 1893 (unaccepted > junior subjective synonym)
          568. Genus Oscabrion "Herrmannsen, 1847" accepted as Chiton Linnaeus, 1758 (synonym (refers to Oscabrion Petiver, 1702))
          569. Genus Poeciloplax Thiele, 1893 accepted as Chiton Linnaeus, 1758 (unaccepted > junior subjective synonym)
          570. Genus Sclerochiton Dall, 1882 accepted as Chiton Linnaeus, 1758 (invalid: junior homonym of Sclerochiton Kraatz, 1859 [Coleoptera])
            1. Species Sclerochiton aruensis Thiele, 1909 accepted as Squamopleura curtisiana (E. A. Smith, 1884) (unaccepted > junior subjective synonym)
            2. Species Sclerochiton thielei Ashby, 1923 accepted as Squamopleura miles (Pilsbry, 1893)
          571. Genus Gymnoplax Gray, 1821 (uncertain > taxon inquirendum)
            1. Species Gymnoplax alphonsinae Rochebrune, 1884 accepted as Rhyssoplax aerea (Reeve, 1847) (junior subjective synonym)
            2. Species Gymnoplax anaglyptus Rochebrune, 1884 accepted as Ischnochiton (Ischnochiton) dispar (G. B. Sowerby I, 1832)
            3. Species Gymnoplax insularis Rochebrune, 1882 accepted as Rhyssoplax canariensis (A. d'Orbigny, 1840)
            4. Species Gymnoplax ludoviciae Rochebrune, 1884 accepted as Chiton granosus Frembly, 1827
            5. Species Gymnoplax rhynchotus Rochebrune, 1884 accepted as Rhyssoplax rhynchota (Rochebrune, 1884) (original combination)
            6. Species Gymnoplax spiciferus Rochebrune, 1884 accepted as Ischnochiton pectinatus (G. B. Sowerby II, 1840)
            7. Species Gymnoplax urvillei Rochebrune, 1881 accepted as Ischnochiton contractus (Reeve, 1847)
            8. Species Gymnoplax hamyi Rochebrune, 1882 (uncertain > unassessed)
          572. Genus Mopaliopsis Thiele, 1893 (uncertain > nomen dubium)
          573. Genus Rhopalopleura Thiele, 1893 (uncertain > taxon inquirendum)
          574. Genus Stereoplax Thiele, 1893 (uncertain > taxon inquirendum)
        30. Subfamily Toniciinae Pilsbry, 1893
          1. Genus Lucilina Dall, 1882
            1. Species Lucilina aegyptiaca Dell'Angelo, Landau, Sosso & Taviani, 2020
            2. Species Lucilina amanda Thiele, 1909
            3. Species Lucilina carnosa (Kaas, 1979)
            4. Species Lucilina carpenteri (Angas, 1867)
            5. Species Lucilina ceylonica (Leloup, 1936)
            6. Species Lucilina colantonii Dell'Angelo, Landau, Sosso & Taviani, 2020
            7. Species Lucilina confusa Dell'Angelo, Landau, Sosso & Taviani, 2020
            8. Species Lucilina dilecta Thiele, 1911
            9. Species Lucilina dupuisi (Leloup, 1973)
            10. Species Lucilina floccata (G. B. Sowerby II, 1842)
            11. Species Lucilina fortilirata (Reeve, 1847)
            12. Species Lucilina hulliana (Torr, 1911)
            13. Species Lucilina indica (Leloup, 1981)
            14. Species Lucilina insueta Sirenko, 2019
            15. Species Lucilina lamellosa (Quoy & Gaimard, 1835)
            16. Species Lucilina mariae (Kaas, Van Belle & Strack, 2006)
            17. Species Lucilina nemirkoae Sirenko, 2019
            18. Species Lucilina nigropunctata (P. P. Carpenter, 1865)
            19. Species Lucilina novemrugata (Bergenhayn, 1930)
            20. Species Lucilina pacifica (Kaas & Van Belle, 1998)
            21. Species Lucilina pectinoides (Sykes, 1903)
            22. Species Lucilina perligera Thiele, 1909
            23. Species Lucilina polyomma (Bergenhayn, 1932)
            24. Species Lucilina reticulata (Nierstrasz, 1905)
            25. Species Lucilina sowerbyi (Nierstrasz, 1905)
            26. Species Lucilina sueziensis (Reeve, 1847)
            27. Species Lucilina tenuicostata Sirenko, 2016
            28. Species Lucilina tilbrooki Milne, 1958
            29. Species Lucilina truncata (G. B. Sowerby II, 1841)
            30. Species Lucilina tydemani (Nierstrasz, 1905)
            31. Species Lucilina variegata (Nierstrasz, 1905)
            32. Species Lucilina interplicata Bergenhayn, 1933 accepted as Lucilina amanda Thiele, 1909
            33. Species Lucilina rainfordiana Hull, 1924 accepted as Lucilina fortilirata (Reeve, 1847) (unaccepted > junior subjective synonym)
            34. Species Lucilina shirleyi Iredale, 1914 accepted as Lucilina lamellosa (Quoy & Gaimard, 1835) (unaccepted > junior subjective synonym)
          2. Genus Onithochiton J. E. Gray, 1847
            1. Species Onithochiton amicorum (Baird, 1873)
            2. Species Onithochiton ashbyi Bednall & E. H. Matthews, 1906
            3. Species Onithochiton discrepans Hedley & Hull, 1912
            4. Species Onithochiton erythraeus Thiele, 1909
            5. Species Onithochiton gotoi Van Belle, 1993
            6. Species Onithochiton helenae (Mackay, 1933)
              1. Subspecies Onithochiton helenae helenae (Mackay, 1933)
              2. Subspecies Onithochiton helenae vietnamensis Sirenko, 2016
        marine
        Not documented
        Description Suborder Ischnochitonina  
        Description Suborder Ischnochitonina [details]
        MolluscaBase eds. (2025). MolluscaBase. Chitonidae Rafinesque, 1815. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=64 on 2025-07-14
        Date
        action
        by
        2004-12-21 15:54:05Z
        created
        db_admin
        2009-01-30 14:43:20Z
        changed
        Gofas, Serge
        2009-03-19 13:29:13Z
        changed
        Schwabe, Enrico

        Creative Commons License The webpage text is licensed under a Creative Commons Attribution 4.0 License


        Nomenclature

        basis of record Vaught, K.C.; Abbott, R.T.; Boss, K.J. (1989). A classification of the living Mollusca. American Malacologists: Melbourne. ISBN 0-915826-22-4. XII, 195 pp. (look up in IMIS) [details] Available for editors  PDF available [request]

        Other

        context source (PeRMS) Ramírez, R.; Paredes, C.; Arenas, J. (2003). Moluscos del Perú. <em>Revista de Biologia Tropical.</em> 51(supplement 3): 225-284. [details] Available for editors  PDF available [request]

        		 
         Present  Inaccurate  Introduced: alien  Containing type locality 
        Unreviewed
        Description Suborder Ischnochitonina [details]
            Definitions

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        LanguageName 
        Japanese クサズリガイ科  [details]
        To Biological Information System for Marine Life (BISMaL) 
        To European Nucleotide Archive, ENA (Chitonidae) 
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