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Mollusca (132 791)
Subphylum Aculifera
Subphylum Conchifera
Subphylum Placophora accepted as Polyplacophora
Superclass Aplacophora
Class Amphineura accepted as Aculifera
Class Bivalvia (25 009)
Class Caudofoveata (143)
Class Cephalopoda (1 834)
Class Conchifera accepted as Bivalvia
Class Cricoconarida † (1)
Class Gastropoda (102 697)
Class Lamellibranchiata accepted as Bivalvia
Class Loricata accepted as Polyplacophora
Class Mollusca incertae sedis † (372)
Class Monoplacophora (229)
Class Pelecypoda accepted as Bivalvia
Class Polyplacophora (1 377)
Subclass Neoloricata (1 325)
Order Callochitonida (55)
Order Chitonida (963)
Suborder Acanthochitonina (405)
Suborder Chitonina (558)
Superfamily Chitonoidea Rafinesque, 1815 (552)
Family Acanthopleuridae Dall, 1889 accepted as Acanthopleurinae Dall, 1889
Family Bathychitonidae dell'Angelo & Palazzi accepted as Ischnochitonidae Dall, 1889
Family Callistoplacidae Pilsbry, 1893 (48)
Family Chaetopleuridae Plate, 1899 (33)
Family Chitonidae Rafinesque, 1815 (185)
Subfamily Acanthopleurinae Dall, 1889 (21)
Subfamily Chitoninae Rafinesque, 1815 (97)
Genus Amaurochiton Thiele, 1893 accepted as Chiton Linnaeus, 1758
Genus Anthochiton Thiele, 1893 accepted as Rhyssoplax Thiele, 1893
Genus Chiton Linnaeus, 1758 (24)
Subgenus Chiton (Acanthochaetes) [sic] accepted as Chiton (Acanthochites) Risso, 1826
Subgenus Chiton (Acanthochites) Risso, 1826 accepted as Acanthochitona J. E. Gray, 1821
Subgenus Chiton (Acanthochiton) Herrmannsen, 1846 accepted as Acanthochitona J. E. Gray, 1821
Subgenus Chiton (Acanthopleura) Guilding, 1830 accepted as Acanthopleura Guilding, 1830
Subgenus Chiton (Ametrogephyrus) Middendorff, 1847 accepted as Cryptoplax Blainville, 1818
Subgenus Chiton (Anthochiton) Thiele, 1893 accepted as Rhyssoplax Thiele, 1893
Subgenus Chiton (Aulacochiton) Shuttleworth, 1853 accepted as Lorica H. Adams & A. Adams, 1852
Subgenus Chiton (Callistochiton) P. P. Carpenter, 1879 accepted as Callistochiton P. P. Carpenter, 1879
Subgenus Chiton (Callochiton) J. E. Gray, 1847 represented as Callochiton J. E. Gray, 1847
Subgenus Chiton (Chaetopleura) Shuttleworth, 1853 accepted as Chaetopleura (Chaetopleura) Shuttleworth, 1853
Subgenus Chiton (Chiton) Linnaeus, 1758 represented as Chiton Linnaeus, 1758
Subgenus Chiton (Chitonellus) Lamarck, 1819 accepted as Cryptoplax Blainville, 1818
Subgenus Chiton (Clathropleura) Tiberi, 1877 accepted as Chiton (Rhyssoplax) Thiele, 1893
Subgenus Chiton (Craspedochiton) Shuttleworth, 1853 accepted as Craspedochiton Shuttleworth, 1853
Subgenus Chiton (Cryptochiton) Middendorff, 1847 accepted as Cryptochiton Middendorff, 1847
Subgenus Chiton (Cryptoplax) Blainville, 1818 accepted as Cryptoplax Blainville, 1818
Subgenus Chiton (Dichachiton) Middendorff, 1847 accepted as Cryptoplax Blainville, 1818
Subgenus Chiton (Eudoxochiton) Shuttleworth, 1853 accepted as Eudoxochiton Shuttleworth, 1853
Subgenus Chiton (Hamachiton) Middendorff, 1847 accepted as Acanthochitona J. E. Gray, 1821
Subgenus Chiton (Hanleya) J. E. Gray, 1857 accepted as Hanleya J. E. Gray, 1857
Subgenus Chiton (Helminthochiton) Salter, 1846 † accepted as Helminthochiton Salter, 1846 †
Subgenus Chiton (Ischnochiton) J. E. Gray, 1847 accepted as Ischnochiton J. E. Gray, 1847
Subgenus Chiton (Ischnoradsia) Shuttleworth, 1853 accepted as Ischnochiton (Ischnoradsia) Shuttleworth, 1853
Subgenus Chiton (Lepidopleura) accepted as Lepidopleurus Risso, 1826
Subgenus Chiton (Lepidopleurus) Risso, 1826 accepted as Lepidopleurus Risso, 1826
Subgenus Chiton (Leptochiton) J. E. Gray, 1847 accepted as Leptochiton J. E. Gray, 1847
Subgenus Chiton (Lophyrus) Poli, 1791 accepted as Chiton Linnaeus, 1758
Subgenus Chiton (Mopalia) Gray, 1847 accepted as Mopalia Gray, 1847
Subgenus Chiton (Mucrosquama) Iredale & Hull, 1926 accepted as Mucrosquama Iredale & Hull, 1926
Subgenus Chiton (Nuttallina) Dall, 1871 accepted as Nuttallina Dall, 1871
Subgenus Chiton (Onithochiton) J. E. Gray, 1847 accepted as Onithochiton J. E. Gray, 1847
Subgenus Chiton (Phaenochiton) Middendorff, 1847 accepted as Cryptoplax Blainville, 1818
Subgenus Chiton (Platysemus) Middendorff, 1847 accepted as Acanthochitona J. E. Gray, 1821
Subgenus Chiton (Plaxiphora) J. E. Gray, 1847 accepted as Plaxiphora J. E. Gray, 1847
Subgenus Chiton (Radsia) Gray, 1847 accepted as Radsia J. E. Gray, 1847
Subgenus Chiton (Rhyssoplax) Thiele, 1893 accepted as Rhyssoplax Thiele, 1893
Subgenus Chiton (Sclerochiton) Dall, 1882 accepted as Chiton Linnaeus, 1758
Subgenus Chiton (Stenosemus) Middendorff, 1847 accepted as Stenosemus Middendorff, 1847
Subgenus Chiton (Symmetrogephyrus) Middendorff, 1847 accepted as Amicula J. E. Gray, 1847
Subgenus Chiton (Sypharochiton) Thiele, 1893 accepted as Sypharochiton Thiele, 1893
Subgenus Chiton (Tegulaplax) Iredale & Hull, 1926 accepted as Tegulaplax Iredale & Hull, 1926
Subgenus Chiton (Tonicia) Gray, 1840 accepted as Tonicia Gray, 1840
Species Chiton abyssorum G. O. Sars, 1878 accepted as Hanleya hanleyi (W. Bean, 1844)
Species Chiton achatinus T. Brown, 1827 accepted as Callochiton septemvalvis (Montagu, 1803)
Species Chiton aculeatus Quoy & Gaimard, 1835 accepted as Cryptoplax larvaeformis (Burrow, 1815)
Species Chiton aculeatus Linnaeus, 1758
Species Chiton acutiliratus Reeve, 1847 accepted as Ischnoplax pectinata (G. B. Sowerby II, 1840)
Species Chiton acutirostratus Reeve, 1847 accepted as Notoplax acutirostrata (Reeve, 1847)
Species Chiton acutus P. P. Carpenter, 1856 accepted as Mopalia acuta (P. P. Carpenter, 1856)
Species Chiton adelaidensis Reeve, 1847 accepted as Ischnochiton (Haploplax) adelaidensis (Reeve, 1847)
Species Chiton aereus Reeve, 1847 accepted as Chiton (Rhyssoplax) aereus Reeve, 1847
Species Chiton affinis Issel, 1869 accepted as Rhyssoplax affinis (Issel, 1869)
Species Chiton alatus G. B. Sowerby II, 1841 accepted as Stenoplax (Stenoplax) alata (G. B. Sowerby II, 1841)
Species Chiton albidus Blainville, 1825 accepted as Plaxiphora (Plaxiphora) albida (Blainville, 1825)
Species Chiton albolineatus Broderip & G. B. Sowerby I, 1829
Species Chiton albrechtii Schrenck, 1863 accepted as Tripoplax albrechtii (Schrenck, 1863)
Species Chiton albus Linnaeus, 1767 accepted as Stenosemus albus (Linnaeus, 1767)
Species Chiton albus sensu Barbut, 1788 not Linnaeus, 1767 accepted as Dinoplax gigas (Gmelin, 1791)
Species Chiton algesirensis Capellini, 1859 accepted as Leptochiton algesirensis (Capellini, 1859)
Species Chiton altavillensis G. Seguenza, 1876 † accepted as Craspedochiton altavillensis (G. Seguenza, 1876) †
Species Chiton alternatus G. B. Sowerby II, 1840
Species Chiton alveolus Lovén, 1846 accepted as Belknapchiton alveolus (Lovén, 1846)
Species Chiton amiculatus Pallas, 1788 accepted as Amicula amiculata (Pallas, 1788)
Species Chiton angulatus Spengler, 1797 accepted as Chaetopleura (Chaetopleura) angulata (Spengler, 1797)
Species Chiton angusticostatus Quoy & Gaimard, 1835 accepted as Chiton mauritianus Quoy & Gaimard, 1835
Species Chiton angustus Clessin, 1904 accepted as Stenoplax limaciformis (G. B. Sowerby I, 1832)
Species Chiton antiquus Reeve, 1847 accepted as Callistochiton antiquus (Reeve, 1847)
Species Chiton antiquus Conrad, 1855 †
Species Chiton aorangi Creese & O'Neill, 1987 accepted as Sypharochiton aorangi (Creese & O'Neill, 1987)
Species Chiton apiculatus Say, 1834 accepted as Chaetopleura (Chaetopleura) apiculata (Say, 1834)
Species Chiton apparata Angas, 1867 accepted as Calloplax janeirensis (J. E. Gray, 1828)
Species Chiton aquatilis Reeve, 1847 accepted as Chiton glaucus J. E. Gray, 1828
Species Chiton arbutum Reeve, 1847 accepted as Ischnochiton (Haploplax) arbutum (Reeve, 1847)
Species Chiton arcticus (G. O. Sars, 1878) accepted as Leptochiton arcticus (G. O. Sars, 1878)
Species Chiton argyrostictus R. A. Philippi, 1845 accepted as Tonicia argyrosticta (R. A. Philippi, 1845)
Species Chiton articulatus G. B. Sowerby I, 1832
Species Chiton aselloides R. T. Lowe, 1825 accepted as Stenosemus albus (Linnaeus, 1767)
Species Chiton asellus Gmelin, 1791 accepted as Leptochiton asellus (Gmelin, 1791)
Species Chiton ashbyi Barnard, 1963 accepted as Callistochiton ashbyi (Barnard, 1963)
Species Chiton asperrimus A. Gould, 1852 accepted as Chaetopleura (Chaetopleura) asperrima (A. Gould, 1852)
Species Chiton assimilis Reeve, 1847 accepted as Chiton tuberculatus Linnaeus, 1758
Species Chiton astriger Reeve, 1847 accepted as Acanthochitona astrigera (Reeve, 1847)
Species Chiton atratus G. B. Sowerby II, 1839 accepted as Tonicia atrata (G. B. Sowerby II, 1839)
Species Chiton auratus Spalowsky, 1795 accepted as Plaxiphora (Plaxiphora) aurata (Spalowsky, 1795)
Species Chiton aureomaculatus Bednall & E. H. Matthews, 1906 accepted as Chiton (Rhyssoplax) tricostalis Pilsbry, 1894
Species Chiton aureus [sic] accepted as Plaxiphora aurata (Spalowsky, 1795)
Species Chiton australis G. B. Sowerby II, 1833 accepted as Ischnochiton (Ischnoradsia) australis (G. B. Sowerby II, 1840)
Species Chiton baliensis (Bullock, 1989) accepted as Rhyssoplax baliensis Bullock, 1989
Species Chiton barnardi Ashby, 1931 accepted as Rhyssoplax barnardi (Ashby, 1931)
Species Chiton barnesii J. E. Gray, 1828
Species Chiton baylei Briart & Cornet, 1887 † accepted as Incisiochiton baylei (Briart & Cornet, 1887) †
Species Chiton bednalli Pilsbry, 1895 accepted as Rhyssoplax bednalli (Pilsbry, 1895)
Species Chiton bergoti Vélain, 1877 accepted as Ischnochiton (Ischnochiton) bergoti (Vélain, 1877)
Species Chiton bicolor Spengler, 1797 accepted as Callochiton dentatus (Spengler, 1797)
Species Chiton bicostatus A. d'Orbigny, 1841 accepted as Callistochiton pulchellus (Gray, 1828)
Species Chiton bipunctatus Fischer von Waldheim, 1807 accepted as Chiton squamosus Linnaeus, 1764
Species Chiton bipunctatus G. B. Sowerby I, 1832 accepted as Cyanoplax beanii (P. P. Carpenter, 1857)
Species Chiton biramosus Quoy & Gaimard, 1835 accepted as Plaxiphora (Plaxiphora) biramosa (Quoy & Gaimard, 1835)
Species Chiton bistriatus W. Wood, 1815 accepted as Chiton tuberculatus Linnaeus, 1758
Species Chiton blainvillii Broderip, 1832 accepted as Placiphorella blainvillii (Broderip, 1832)
Species Chiton borbonicus Deshayes, 1863 accepted as Acanthopleura brevispinosa (G. B. Sowerby II, 1840)
Species Chiton boucheti Kaas, 1989 accepted as Tegulaplax boucheti (Kaas, 1989)
Species Chiton bowenii P. P. King, 1832 accepted as Chiton magnificus Deshayes, 1827
Species Chiton brandtii Middendorff, 1847 accepted as Schizoplax brandtii (Middendorff, 1847)
Species Chiton brevispinosus G. B. Sowerby II, 1840 accepted as Acanthopleura testudo (Spengler, 1797)
Species Chiton bruguieri Potiez & Michaud, 1838 accepted as Tonicia chilensis (Frembly, 1827)
Species Chiton bullocki (Sirenko, 2012) accepted as Rhyssoplax bullocki Sirenko, 2012
Species Chiton burmanus P. P. Carpenter, 1893 accepted as Rhyssoplax burmana (P. P. Carpenter, 1893)
Species Chiton caelatus Reeve, 1847 accepted as Plaxiphora (Plaxiphora) caelata (Reeve, 1847)
Species Chiton cajetanus Poli, 1791 accepted as Lepidopleurus cajetanus (Poli, 1791)
Species Chiton californicus Reeve, 1847 accepted as Nuttallina californica (Reeve, 1847)
Species Chiton californicus Prescott, 1864 accepted as Cryptochiton stelleri (Middendorff, 1847)
Species Chiton caliginosus Reeve, 1847 accepted as Ischnochiton (Haploplax) caliginosus (Reeve, 1847)
Species Chiton calliozonus Pilsbry, 1894 accepted as Rhyssoplax calliozona (Pilsbry, 1894)
Species Chiton canaliculatus Quoy & Gaimard, 1835 accepted as Rhyssoplax canaliculata (Quoy & Gaimard, 1835)
Species Chiton canariensis A. d'Orbigny, 1840 accepted as Rhyssoplax canariensis (A. d'Orbigny, 1840)
Species Chiton cancellatus G. B. Sowerby II, 1840 accepted as Leptochiton cancellatus (G. B. Sowerby II, 1840)
Species Chiton capensis J. E. Gray, 1828 accepted as Chiton nigrovirescens Blainville, 1825
Species Chiton capensis Schröter, 1801 accepted as Rhyssoplax polita (Spengler, 1797)
Species Chiton caprearum Scacchi, 1836 accepted as Lepidochitona caprearum (Scacchi, 1836)
Species Chiton capriarum Scacchi, 1836
Species Chiton carbonarius Stevens, 1858 † accepted as Glaphurochiton carbonarius (Stevens, 1858) †
Species Chiton carinulatus Reeve, 1847 accepted as Ischnochiton (Ischnochiton) carinulatus (Reeve, 1847)
Species Chiton carmichaelis W. Wood, 1828 accepted as Plaxiphora (Plaxiphora) aurata (Spalowsky, 1795)
Species Chiton carnosus Angas, 1867 accepted as Mucrosquama carnosa (Angas, 1867)
Species Chiton castaneus A. Gould, 1852 accepted as Hemiarthrum setulosum P. P. Carpenter, 1876
Species Chiton castaneus W. Wood, 1815 accepted as Callochiton dentatus (Spengler, 1797)
Species Chiton castaneus Quoy & Gaimard, 1835 accepted as Chaetopleura papilio (Spengler, 1797)
Species Chiton castus Reeve, 1847 accepted as Ischnochiton contractus (Reeve, 1847)
Species Chiton catenulatus G. B. Sowerby I, 1832 accepted as Stenoplax rugulata (G. B. Sowerby I, 1832)
Species Chiton cerasinus Gmelin, 1791 accepted as Callochiton dentatus (Spengler, 1797)
Species Chiton ceylanicus E. A. Smith, 1904
Species Chiton chemnitzii L. Pfeiffer, 1840 accepted as Chiton squamosus Linnaeus, 1764
Species Chiton chilensis Frembly, 1827 accepted as Tonicia chilensis (Frembly, 1827)
Species Chiton chiloensis G. B. Sowerby I, 1832 accepted as Tonicia calbucensis Plate, 1898
Species Chiton chitonellus Blainville, 1825 accepted as Cryptoplax larvaeformis (Burrow, 1815)
Species Chiton chlamys Reeve, 1847 accepted as Cryptochiton stelleri (Middendorff, 1847)
Species Chiton ciliatus G. B. Sowerby II, 1839 accepted as Mopalia ciliata (G. B. Sowerby II, 1840)
Species Chiton cimex Gmelin, 1791 accepted as Lepidochitona (Lepidochitona) cinerea (Linnaeus, 1767)
Species Chiton cimicinus Spengler, 1797 accepted as Lepidochitona (Lepidochitona) cinerea (Linnaeus, 1767)
Species Chiton cimicoides Monterosato, 1879 accepted as Leptochiton cimicoides (Monterosato, 1879)
Species Chiton cimolius Reeve, 1847 accepted as Lorica volvox (Reeve, 1847)
Species Chiton cinerascens Schröter, 1801
Species Chiton cinereus Linnaeus, 1767 sensu O. Fabricius, 1780 accepted as Tonicella rubra (Linnaeus, 1767)
Species Chiton cinereus Linnaeus, 1767 sensu Poli, 1791 accepted as Lepidochitona (Lepidochitona) caprearum (Scacchi, 1836)
Species Chiton cinereus Linnaeus, 1767 sensu Montagu, 1803 accepted as Leptochiton asellus (Gmelin, 1791)
Species Chiton cinereus Linnaeus, 1767 accepted as Lepidochitona (Lepidochitona) cinerea (Linnaeus, 1767)
Species Chiton cingillatus Reeve, 1847
Species Chiton circellatus Reeve, 1847 accepted as Acanthochitona circellata (Reeve, 1847)
Species Chiton circumvallatus Reeve, 1847 accepted as Ischnochiton (Ischnochiton) circumvallatus (Reeve, 1847)
Species Chiton clathratus Reeve, 1847 accepted as Lepidozona clathrata (Reeve, 1847)
Species Chiton clavatus Suter, 1907 accepted as Rhyssoplax aerea (Reeve, 1847)
Species Chiton clypeus Blainville, 1825
Species Chiton coarctatus G. B. Sowerby II, 1841 accepted as Leptoplax coarctata (G. B. Sowerby II, 1841)
Species Chiton colliei Reeve, 1847 accepted as Mopalia muscosa (A. Gould, 1846)
Species Chiton colubrifer Reeve, 1848 accepted as Ischnochiton (Ischnochiton) colubrifer (Reeve, 1848)
Species Chiton columbiensis G. B. Sowerby I, 1832 accepted as Chaetopleura lurida (G. B. Sowerby I, 1832)
Species Chiton concentricus G. B. Sowerby II, 1841 accepted as Lepidopleurus cajetanus (Poli, 1791)
Species Chiton concentricus Reeve, 1847 accepted as Chiton (Rhyssoplax) jugosus A. Gould, 1846
Species Chiton concentricus de Koninck, 1842 † accepted as Pterochiton concentricus (de Koninck, 1842) †
Species Chiton concinnus G. B. Sowerby II, 1840 accepted as Ischnochiton (Haploplax) pusio (G. B. Sowerby I, 1832)
Species Chiton confossus A. Gould, 1846 accepted as Lucilina lamellosa (Quoy & Gaimard, 1835)
Species Chiton connectens Thiele, 1909
Species Chiton constanti Vélain, 1877 accepted as Ischnochiton (Ischnochiton) bergoti (Vélain, 1877)
Species Chiton contractus Reeve, 1847 accepted as Ischnochiton (Ischnochiton) contractus (Reeve, 1847)
Species Chiton convexus Blainville, 1825 accepted as Acanthopleura granulata (Gmelin, 1791)
Species Chiton coquimbensis Frembly, 1827 accepted as Enoplochiton niger (Barnes, 1824)
Species Chiton corallinus (Risso, 1826) accepted as Rhyssoplax corallina (Risso, 1826)
Species Chiton cordifer de Koninck, 1842 † accepted as Glyptochiton cordifer (de Koninck, 1842) †
Species Chiton coreanicus Reeve, 1847 accepted as Lepidozona coreanica (Reeve, 1847)
Species Chiton coronatus Locard, 1898 accepted as Placiphorella atlantica (A. E. Verrill & S. Smith, 1882)
Species Chiton corrugatus Reeve, 1848 accepted as Lepidochitona (Lepidochitona) caprearum (Scacchi, 1836)
Species Chiton corrugatus F. Sandberger & G. Sandberger, 1856 † accepted as Diadelochiton recavus R. D. Hoare, 2002 †
Species Chiton corypheus Hedley & Hull, 1912 accepted as Rhyssoplax coryphea (Hedley & Hull, 1912)
Species Chiton costatus Blainville, 1825 accepted as Plaxiphora albida (Blainville, 1825)
Species Chiton costatus C. B. Adams, 1845 accepted as Chiton viridis Spengler, 1797
Species Chiton coxi Pilsbry, 1894 accepted as Rhyssoplax coxi (Pilsbry, 1894)
Species Chiton cranchianus Leach, 1852 accepted as Callochiton septemvalvis septemvalvis (Montagu, 1803)
Species Chiton crassus Clessin, 1903 accepted as Chiton squamosus Linnaeus, 1764
Species Chiton crawfordi Sykes, 1899 accepted as Rhyssoplax crawfordi (Sykes, 1899)
Species Chiton crenulatus Broderip, 1832 accepted as Tonicia forbesii P. P. Carpenter, 1857
Species Chiton cretaceus C. T. Berry, 1939 †
Species Chiton crinitus Pennant, 1777 accepted as Acanthochitona crinita crinita (Pennant, 1777)
Species Chiton crispus Reeve, 1847 accepted as Ischnochiton (Ischnochiton) elongatus crispus (Reeve, 1847)
Species Chiton crocinus Reeve, 1847 accepted as Callochiton crocinus (Reeve, 1847)
Species Chiton cruciformis G. B. Sowerby I, 1823 accepted as Cryptoplax larvaeformis (Burrow, 1815)
Species Chiton cumingii Frembly, 1827 accepted as Chiton cumingsii Frembly, 1827
Species Chiton cumingsii Frembly, 1827
Species Chiton cunninghami Reeve, 1847 accepted as Acanthopleura brevispinosa (G. B. Sowerby II, 1840)
Species Chiton cyaneopunctatus Krauss, 1848 accepted as Ischnochiton lentiginosus (G. B. Sowerby II, 1840)
Species Chiton cymbiola G. B. Sowerby II, 1833
Species Chiton dalriensis Etheridge, 1882 † accepted as Platychiton dalriensis (Etheridge, 1882) †
Species Chiton danielli G. B. Sowerby II, 1833
Species Chiton decipiens Tiberi, 1877 accepted as Lepidochitona (Lepidochitona) caprearum (Scacchi, 1836)
Species Chiton decoratus Reuss, 1860 † accepted as Lepidopleurus cajetanus (Poli, 1791)
Species Chiton decussatus Reeve, 1847 accepted as Ischnochiton contractus (Reeve, 1847)
Species Chiton defilippii Tapparone Canefri, 1874 accepted as Liolophura japonica (Lischke, 1873)
Species Chiton densiliratus P. P. Carpenter, 1893 accepted as Rhyssoplax densilirata (P. P. Carpenter, 1893)
Species Chiton dentatus Spengler, 1797 accepted as Callochiton dentatus (Spengler, 1797)
Species Chiton dentiens A. Gould, 1846 accepted as Cyanoplax dentiens (A. Gould, 1846)
Species Chiton deperditus R. A. Philippi, 1887 †
Species Chiton diaphorus (Iredale & May, 1916) accepted as Rhyssoplax diaphora Iredale & May, 1916
Species Chiton dieffenbachii Reeve, 1847 accepted as Chaetopleura lurida (G. B. Sowerby I, 1832)
Species Chiton dimorphus Rochebrune, 1889 accepted as Callochiton puniceus (A. Gould, 1846)
Species Chiton discolor Souverbie, 1866 accepted as Rhyssoplax discolor (Souverbie, 1866)
Species Chiton discors Maton & Rackett, 1807 accepted as Callochiton septemvalvis septemvalvis (Montagu, 1803)
Species Chiton discrepans T. Brown, 1827 accepted as Acanthochitona discrepans (T. Brown, 1827)
Species Chiton disjunctus Frembly, 1827 accepted as Tonicia disjuncta (Frembly, 1827)
Species Chiton dispar G. B. Sowerby I, 1832 accepted as Ischnochiton (Ischnochiton) dispar (G. B. Sowerby I, 1832)
Species Chiton dissimilis Reeve, 1847 accepted as Rhyssoplax canariensis (A. d'Orbigny, 1840)
Species Chiton divergens Reeve, 1847 accepted as Ischnochiton fruticosus (A. Gould, 1846)
Species Chiton doriae Capellini, 1859 accepted as Callochiton doriae (Capellini, 1859)
Species Chiton eburonicus Ryckholt, 1845 † accepted as Pterochiton eburonicus (Ryckholt, 1845) †
Species Chiton echinatus Barnes, 1824 accepted as Mesotomura echinata (Barnes, 1824)
Species Chiton echinotus Blainville, 1825 accepted as Acanthochitona fascicularis (Linnaeus, 1767)
Species Chiton ectypus (Rochebrune, 1884) accepted as Rhyssoplax ectypa (Rochebrune, 1884)
Species Chiton elegans Frembly, 1827 accepted as Tonicia calbucensis Plate, 1898
Species Chiton elenensis G. B. Sowerby I, 1832 accepted as Callistochiton elenensis (G. B. Sowerby I, 1832)
Species Chiton elongatus Blainville, 1825 accepted as Ischnochiton elongatus (Blainville, 1825)
Species Chiton elongatus Reeve, 1847 accepted as Schizochiton incisus (G. B. Sowerby II, 1841)
Species Chiton emersonianus A. Gould, 1841 accepted as Amicula vestita (Broderip & G. B. Sowerby I, 1829)
Species Chiton emersonii Couthouy, 1838 accepted as Amicula vestita (Broderip & G. B. Sowerby I, 1829)
Species Chiton empleurus F. W. Hutton, 1872 accepted as Callochiton empleurus (F. W. Hutton, 1872)
Species Chiton eocenensis Conrad, 1855 †
Species Chiton erythronotus C. B. Adams, 1845 accepted as Ischnochiton (Ischnochiton) erythronotus (C. B. Adams, 1845)
Species Chiton eschscholtzii Middendorff, 1847 accepted as Mopalia lignosa (A. Gould, 1846)
Species Chiton estuarii Brusina, 1870 accepted as Chiton (Rhyssoplax) olivaceus Spengler, 1797
Species Chiton euplaeae O. G. Costa, 1830 accepted as Callochiton doriae (Capellini, 1859)
Species Chiton evanidus G. B. Sowerby II, 1840 accepted as Ischnochiton (Ischnoradsia) australis (G. B. Sowerby II, 1840)
Species Chiton exasperatus (Iredale, 1914) accepted as Rhyssoplax exasperata Iredale, 1914
Species Chiton excavatus G. B. Sowerby II, 1840
Species Chiton exiguus G. B. Sowerby I, 1832 accepted as Weedingia exigua (G. B. Sowerby I, 1832)
Species Chiton exoptandus Bednall, 1897 accepted as Rhyssoplax exoptanda (Bednall, 1897)
Species Chiton fasciatus Quoy & Gaimard, 1835 accepted as Cryptoplax larvaeformis (Burrow, 1815)
Species Chiton fasciatus W. Wood, 1815 accepted as Chiton squamosus Linnaeus, 1764
Species Chiton fascicularis Linnaeus, 1767 accepted as Acanthochitona fascicularis (Linnaeus, 1767)
Species Chiton fastigiatus G. B. Sowerby I, 1833 accepted as Tonicia atrata (G. B. Sowerby II, 1839)
Species Chiton ferrugineus Spengler, 1797 accepted as Chaetopleura (Chaetopleura) angulata (Spengler, 1797)
Species Chiton fimbriatus G. B. Sowerby II, 1840
Species Chiton flavescens P. P. Carpenter, 1857 accepted as Cyanoplax beanii (P. P. Carpenter, 1857)
Species Chiton flemingius Leach, 1852 accepted as Tonicella marmorea (O. Fabricius, 1780)
Species Chiton floccatus G. B. Sowerby II, 1842 accepted as Lucilina floccata (G. B. Sowerby II, 1842)
Species Chiton foliatus T. Brown, 1818 accepted as Lepidopleurus cajetanus (Poli, 1791)
Species Chiton formosus Reeve, 1847 accepted as Notoplax formosa (Reeve, 1847)
Species Chiton fortiliratus Reeve, 1847 accepted as Lucilina fortilirata (Reeve, 1847)
Species Chiton fossicius Ashby & Torr, 1901 † accepted as Rhyssoplax fossicius (Ashby & Torr, 1901) †
Species Chiton fosteri Bullock, 1972 accepted as Rhyssoplax fosteri (Bullock, 1972)
Species Chiton foveolatus G. B. Sowerby II, 1839 accepted as Chiton viridis Spengler, 1797
Species Chiton freelandi Forbes, 1844 accepted as Chiton corallinus (Risso, 1826)
Species Chiton frembleii Broderip, 1832 accepted as Plaxiphora (Plaxiphora) aurata (Spalowsky, 1795)
Species Chiton fruticosus A. Gould, 1846 accepted as Ischnochiton (Heterozona) fruticosus (A. Gould, 1846)
Species Chiton fulgetrum Reeve, 1847 accepted as Callochiton dentatus (Spengler, 1797)
Species Chiton fuliginatus Reeve, 1847 accepted as Leptochiton fuliginatus (Reeve, 1847)
Species Chiton fulminatus Couthouy, 1838 accepted as Tonicella marmorea (O. Fabricius, 1780)
Species Chiton fulvus W. Wood, 1815 accepted as Chaetopleura (Chaetopleura) angulata (Spengler, 1797)
Species Chiton funereus Hedley & Hull, 1912 accepted as Rhyssoplax funerea (Hedley & Hull, 1912)
Species Chiton furtivus Monterosato, 1879 accepted as Lepidochitona (Lepidochitona) furtiva (Monterosato, 1879)
Species Chiton fuscatus T. Brown, 1827 accepted as Lepidochitona (Lepidochitona) cinerea (Linnaeus, 1767)
Species Chiton fuscatus Leach, 1852 accepted as Leptochiton asellus (Gmelin, 1791)
Species Chiton gaimardi Blainville, 1825 accepted as Liolophura gaimardi (Blainville, 1825)
Species Chiton garnoti Blainville, 1825 accepted as Acanthochitona garnoti (Blainville, 1825)
Species Chiton geikiei Etheridge, 1882 † accepted as Chauliochiton geikiei (Etheridge, 182) †
Species Chiton gemmatus Blainville, 1825 accepted as Acanthopleura gemmata (Blainville, 1825)
Species Chiton gemmatus de Koninck, 1843 † accepted as Pterochiton gemmatus (de Koninck, 1843) †
Species Chiton georgianus Quoy & Gaimard, 1835 accepted as Liolophura hirtosa (Blainville, 1825)
Species Chiton gigas Gmelin, 1791 accepted as Dinoplax gigas (Gmelin, 1791)
Species Chiton glaber Clessin, 1903 accepted as Tonicia calbucensis Plate, 1898
Species Chiton glaucus J. E. Gray, 1828
Species Chiton glaucus Quoy & Gaimard, 1835 accepted as Plaxiphora albida (Blainville, 1825)
Species Chiton goodallii Broderip, 1832 accepted as Radsia goodallii (Broderip, 1832)
Species Chiton gracilis Jeffreys, 1859 accepted as Acanthochitona discrepans (T. Brown, 1827)
Species Chiton graniferus G. B. Sowerby I, 1832 accepted as Tonicia calbucensis Plate, 1898
Species Chiton granoradiatus Leloup, 1937
Species Chiton granosus Frembly, 1827
Species Chiton granulatus Gmelin, 1791 accepted as Acanthopleura granulata (Gmelin, 1791)
Species Chiton grayii G. B. Sowerby I, 1832 accepted as Tonicia calbucensis Plate, 1898
Species Chiton grinionensis Lamarck, 1803 † accepted as Lepidochitona grinionensis (Lamarck, 1803) †
Species Chiton groschi Kaas, 1979
Species Chiton guildingii Reeve, 1847 accepted as Ceratozona squalida (C. B. Adams, 1845)
Species Chiton hanleyi W. Bean, 1844 accepted as Hanleya hanleyi (W. Bean, 1844)
Species Chiton hartwegii P. P. Carpenter, 1856 accepted as Cyanoplax hartwegii (P. P. Carpenter, 1856)
Species Chiton hastatus G. B. Sowerby II, 1840
Species Chiton hennahi J. E. Gray, 1828 accepted as Chaetopleura (Chaetopleura) hennahi (J. E. Gray, 1828)
Species Chiton heterodon (Pilsbry, 1893) accepted as Rhyssoplax heterodon (Pilsbry, 1893)
Species Chiton hindsii Reeve, 1847 accepted as Mopalia hindsii (Reeve, 1847)
Species Chiton hirsutus Deshayes, 1827 accepted as Chaetopleura peruviana (Lamarck, 1819)
Species Chiton hirtosus Blainville, 1825 accepted as Liolophura hirtosa (Blainville, 1825)
Species Chiton hirudiniformis G. B. Sowerby I, 1832 accepted as Acanthochitona hirudiniformis hirudiniformis (G. B. Sowerby I, 1832)
Species Chiton hispidus Linnaeus, 1758
Species Chiton howensis Hedley & Hull, 1912 accepted as Tegulaplax hululensis (E. A. Smith, 1903)
Species Chiton howseanus Kirkby, 1857 † accepted as Cymatochiton howseanus (Kirkby, 1857) †
Species Chiton hullianus Iredale, 1910 accepted as Chiton (Rhyssoplax) torrianus Hedley & Hull, 1910
Species Chiton hululensis (E. A. Smith, 1903) accepted as Tegulaplax hululensis (E. A. Smith, 1903)
Species Chiton huttoni Suter, 1906 accepted as Rhyssoplax aerea (Reeve, 1847)
Species Chiton iatricus Winckworth, 1930 accepted as Rhyssoplax peregrina (Thiele, 1909)
Species Chiton illuminatus Reeve, 1847 accepted as Callochiton puniceus (A. Gould, 1846)
Species Chiton imbricatus Nierstrasz, 1905 accepted as Chiton (Tegulaplax) hululensis (E. A. Smith, 1903)
Species Chiton imitator E. A. Smith, 1881 accepted as Ischnochiton imitator (E. A. Smith, 1881)
Species Chiton inca A. d'Orbigny, 1841 accepted as Ischnochiton stramineus (G. B. Sowerby I, 1832)
Species Chiton incanus A. Gould, 1846 accepted as Liolophura gaimardi (Blainville, 1825)
Species Chiton incarnatus Reeve, 1848 accepted as Tonicella rubra (Linnaeus, 1767)
Species Chiton incii Reeve, 1847 accepted as Onithochiton quercinus (A. Gould, 1846)
Species Chiton incisus G. B. Sowerby II, 1841 accepted as Schizochiton incisus (G. B. Sowerby II, 1841)
Species Chiton incompletus Fischer von Waldheim, 1807 accepted as Tonicia atrata (G. B. Sowerby II, 1839)
Species Chiton inconspicuus G. B. Sowerby II, 1840
Species Chiton indus Gmelin, 1791 accepted as Chiton squamosus Linnaeus, 1764
Species Chiton inornatus Tenison Woods, 1881 accepted as Eudoxochiton inornatus (Tenison Woods, 1881)
Species Chiton inquinatus Reeve, 1847 accepted as Leptochiton inquinatus (Reeve, 1847)
Species Chiton insculptus A. Adams, 1854 accepted as Rhyssoplax canaliculata (Quoy & Gaimard, 1835)
Species Chiton insculptus Souverbie, 1866 accepted as Lucilina lamellosa (Quoy & Gaimard, 1835)
Species Chiton insignis Reeve, 1847 accepted as Tonicella insignis (Reeve, 1847)
Species Chiton interstinctus A. Gould, 1852 accepted as Lepidozona interstincta (A. Gould, 1852)
Species Chiton isabellei A. d'Orbigny, 1839 accepted as Chaetopleura isabellei (A. d'Orbigny, 1839)
Species Chiton islandicus Gmelin, 1791 accepted as Leptochiton sarsi Kaas, 1981
Species Chiton janeirensis J. E. Gray, 1828 accepted as Calloplax janeirensis (J. E. Gray, 1828)
Species Chiton japonicus Lischke, 1873 accepted as Liolophura japonica (Lischke, 1873)
Species Chiton jaspideus A. Gould, 1846 accepted as Chaetopleura hennahi (J. E. Gray, 1828)
Species Chiton jayi DeKay, 1843 accepted as Chaetopleura apiculata (Say, 1834)
Species Chiton jugosus A. Gould, 1846 accepted as Rhyssoplax jugosa (A. Gould, 1846)
Species Chiton kaasi (Leloup, 1981)
Species Chiton kimberi Ashby, 1928 accepted as Rhyssoplax kimberi (Ashby, 1928)
Species Chiton komaianus Is. Taki & Iw. Taki, 1929 accepted as Rhyssoplax komaiana (Is. Taki & Iw. Taki, 1929)
Species Chiton kurodai Is. Taki & Iw. Taki, 1929 accepted as Rhyssoplax kurodai (Is. Taki & Iw. Taki, 1929)
Species Chiton labeculatus Reeve, 1847 accepted as Callistochiton antiquus (Reeve, 1847)
Species Chiton laevigatus J. Fleming, 1813 accepted as Tonicella marmorea (O. Fabricius, 1780)
Species Chiton laevigatus G. B. Sowerby I, 1832 accepted as Chiton articulatus G. B. Sowerby I, 1832
Species Chiton laevis Pennant, 1777 sensu Montagu, 1803 accepted as Callochiton septemvalvis (Montagu, 1803)
Species Chiton laevis Pennant, 1777 accepted as Tonicella rubra (Linnaeus, 1767)
Species Chiton lamellosus Quoy & Gaimard, 1835 accepted as Lucilina lamellosa (Quoy & Gaimard, 1835)
Species Chiton lamyi Dupuis, 1918 accepted as Rhyssoplax peregrina (Thiele, 1909)
Species Chiton laqueatus G. B. Sowerby II, 1842 accepted as Craspedochiton laqueatus (G. B. Sowerby II, 1842)
Species Chiton larvaeformis Burrow, 1815 accepted as Cryptoplax larvaeformis (Burrow, 1815)
Species Chiton laterorugosus Kaas, 1986
Species Chiton latus Leach, 1852 accepted as Tonicella rubra (Linnaeus, 1767)
Species Chiton latus R. T. Lowe, 1825 accepted as Tonicella marmorea (O. Fabricius, 1780)
Species Chiton latus G. B. Sowerby I, 1825 accepted as Chiton magnificus Deshayes, 1827
Species Chiton leachi Blainville, 1825 accepted as Cryptoconchus porosus (Burrow, 1815)
Species Chiton legiacus Ryckholt, 1845 † accepted as Pterochiton legiacus (Ryckholt, 1845) †
Species Chiton lentiginosus G. B. Sowerby II, 1840 accepted as Ischnochiton (Haploplax) lentiginosus (G. B. Sowerby II, 1840)
Species Chiton leognanensis Cossmann & Peyrot, 1917 † accepted as Lepidochitona leognanensis (Cossmann & Peyrot, 1917) †
Species Chiton lepidus A. Gould, 1859 accepted as Lepidozona luzonica (G. B. Sowerby II, 1842)
Species Chiton lignosus A. Gould, 1846 accepted as Mopalia lignosa (A. Gould, 1846)
Species Chiton limaciformis G. B. Sowerby I, 1832 accepted as Stenoplax limaciformis (G. B. Sowerby I, 1832)
Species Chiton limans Pilsbry, 1893 accepted as Chiton carnosus Angas, 1867
Species Chiton limans Sykes, 1896 accepted as Chiton carnosus Angas, 1867
Species Chiton lindholmii Schrenck, 1863 accepted as Stenoplax magdalenensis (Hinds, 1845)
Species Chiton lineatus W. Wood, 1815 accepted as Tonicella lineata (W. Wood, 1815)
Species Chiton lineolatus Blainville, 1825 accepted as Ischnochiton (Ischnochiton) lineolatus (Blainville, 1825)
Species Chiton lineolatus Frembly, 1827 accepted as Tonicia chilensis (Frembly, 1827)
Species Chiton linsleyi (Burghardt, 1973) accepted as Rhyssoplax linsleyi Burghardt, 1973
Species Chiton literatus Krauss, 1848 accepted as Onithochiton literatus (Krauss, 1848)
Species Chiton lividus Middendorff, 1847 accepted as Chaetopleura (Chaetopleura) angulata (Spengler, 1797)
Species Chiton loftusianus King, 1848 † accepted as Cymatochiton loftusianus (King, 1848) †
Species Chiton longicymba Blainville, 1825 accepted as Stenochiton longicymba (Blainville, 1825)
Species Chiton longicymba Quoy & Gaimard, 1835 accepted as Ischnochiton maorianus Iredale, 1914
Species Chiton loochooanus Broderip & G. B. Sowerby I, 1829 accepted as Acanthopleura loochooana (Broderip & G. B. Sowerby I, 1829)
Species Chiton ludwigi Krauss, 1848 accepted as Ischnochiton textilis (J. E. Gray, 1828)
Species Chiton lugubris A. Gould, 1859 accepted as Ischnochiton (Ischnoradsia) australis (G. B. Sowerby II, 1840)
Species Chiton luridus G. B. Sowerby I, 1832 accepted as Chaetopleura lurida (G. B. Sowerby I, 1832)
Species Chiton lusitanicus Tilesius, 1802 accepted as Chaetopleura (Chaetopleura) angulata (Spengler, 1797)
Species Chiton luteolus W. Wood, 1828 accepted as Chiton viridis Spengler, 1797
Species Chiton luzonicus G. B. Sowerby II, 1842 accepted as Lepidozona luzonica (G. B. Sowerby II, 1842)
Species Chiton lyellii G. B. Sowerby I, 1832 accepted as Onithochiton lyellii (G. B. Sowerby I, 1832)
Species Chiton lyratus G. B. Sowerby II, 1840 accepted as Chiton (Chiton) lyratus G. B. Sowerby II, 1840
Species Chiton macgillivrayi A. Adams, 1855 accepted as Acanthopleura gemmata (Blainville, 1825)
Species Chiton magdalenensis Hinds, 1845 accepted as Stenoplax (Stenoradsia) magdalenensis (Hinds, 1845)
Species Chiton magellanicus Gmelin, 1791
Species Chiton magnificus Deshayes, 1827
Species Chiton maillardi Deshayes, 1863 accepted as Onithochiton maillardi (Deshayes, 1863)
Species Chiton maldivensis (E. A. Smith, 1903) accepted as Rhyssoplax maldivensis (E. A. Smith, 1903)
Species Chiton marginatus Pennant, 1777 accepted as Lepidochitona (Lepidochitona) cinerea (Linnaeus, 1767)
Species Chiton marmoratus Gmelin, 1791
Species Chiton marmoreus O. Fabricius, 1780 accepted as Tonicella marmorea (O. Fabricius, 1780)
Species Chiton marmoreus Reeve, 1847 accepted as Chiton squamosus Linnaeus, 1764
Species Chiton marquesanus Pilsbry, 1893
Species Chiton mauritianus Quoy & Gaimard, 1835 accepted as Rhyssoplax mauritiana (Quoy & Gaimard, 1835)
Species Chiton mediterraneus Reeve, 1847 accepted as Ischnochiton (Ischnochiton) rissoi (Payraudeau, 1826)
Species Chiton mempiscus Ryckholt, 1845 † accepted as Gryphochiton mempiscus (Ryckholt, 1845) †
Species Chiton mendicarius Mighels & C. B. Adams, 1842 accepted as Hanleya hanleyi (W. Bean, 1844)
Species Chiton meneghinii Capellini, 1859 accepted as Ischnochiton (Ischnochiton) rissoi (Payraudeau, 1826)
Species Chiton merckii Middendorff, 1847 accepted as Mopalia lignosa (A. Gould, 1846)
Species Chiton mertensii Middendorff, 1847 accepted as Lepidozona mertensii (Middendorff, 1847)
Species Chiton metallicus Reeve, 1847 accepted as Ischnochiton (Ischnoradsia) australis (G. B. Sowerby II, 1840)
Species Chiton middendorffii Schrenck, 1861 accepted as Mopalia middendorffii (Schrenck, 1862)
Species Chiton milleri Reeve, 1847 accepted as Ischnochiton adelaidensis (Reeve, 1847)
Species Chiton miltoplax Rehder, 1932 accepted as Chiton viridis Spengler, 1797
Species Chiton miniaceus Pilsbry, 1893 accepted as Rhyssoplax discolor (Souverbie, 1866)
Species Chiton minimus Spengler, 1797 accepted as Tonicella rubra (Linnaeus, 1767)
Species Chiton minimus Gmelin, 1791 accepted as Stenosemus albus (Linnaeus, 1767)
Species Chiton minimus Monterosato, 1878 accepted as Leptochiton cimicoides (Monterosato, 1879)
Species Chiton modestus Rolle, 1862 † accepted as Tonicella modesta (Rolle, 1862) †
Species Chiton montereyensis P. P. Carpenter, 1855 accepted as Mopalia lignosa (A. Gould, 1846)
Species Chiton monticularis Quoy & Gaimard, 1835 accepted as Cryptoconchus porosus (Burrow, 1815)
Species Chiton montrouzieri Souverbie, 1873 accepted as Lucilina lamellosa (Quoy & Gaimard, 1835)
Species Chiton mosensis de Ryckholt, 1845 † accepted as Pterochiton mosensis (de Ryckholt, 1845) †
Species Chiton mulicostatus C. B. Adams, 1845 accepted as Ischnoplax pectinata (G. B. Sowerby II, 1840)
Species Chiton multicostatus C. B. Adams, 1845
Species Chiton multigranosus Reuss, 1860 † accepted as Hanleya multigranosa (Reuss, 1860) †
Species Chiton multimaculatus Blainville, 1825 accepted as Chiton squamosus Linnaeus, 1764
Species Chiton muricatus A. Adams, 1852 accepted as Chiton carnosus Angas, 1867
Species Chiton muricatus Tilesius, 1824
Species Chiton murrayi Haddon, 1886 accepted as Chiton magnificus Deshayes, 1827
Species Chiton muscarius Reeve, 1847 accepted as Ischnochiton (Ischnochiton) muscarius (Reeve, 1847)
Species Chiton muscosus A. Gould, 1846 accepted as Mopalia muscosa (A. Gould, 1846)
Species Chiton nagelfar Lovén, 1846 accepted as Hanleya hanleyi (W. Bean, 1844)
Species Chiton nervicanus Ryckholt, 1845 † accepted as Gryphochiton nervicanus (Ryckholt, 1845) †
Species Chiton niger Barnes, 1824 accepted as Enoplochiton niger (Barnes, 1824)
Species Chiton nigrovirescens Blainville, 1825 accepted as Radsia nigrovirescens (Blainville, 1825)
Species Chiton novaehollandiae Reeve, 1847 accepted as Ischnochiton (Ischnoradsia) australis (G. B. Sowerby II, 1840)
Species Chiton nuttalli P. P. Carpenter, 1856 accepted as Lepidochitona hartwegii (P. P. Carpenter, 1855)
Species Chiton obscurellus Souverbie, 1866 accepted as Plaxiphora obscurella (Souverbie, 1866)
Species Chiton obscurus G. B. Sowerby II, 1839 accepted as Chiton tuberculatus Linnaeus, 1758
Species Chiton occidentalis Reeve, 1847 accepted as Acanthopleura granulata (Gmelin, 1791)
Species Chiton oligocaenus Rolle, 1862 † accepted as Lepidochitona oligocaena (Rolle, 1862) †
Species Chiton olivaceus Spengler, 1797 accepted as Rhyssoplax olivacea (Spengler, 1797)
Species Chiton olivaceus Frembly, 1827 accepted as Chiton magnificus Deshayes, 1827
Species Chiton oniscus Krauss, 1848 accepted as Ischnochiton (Ischnochiton) oniscus (Krauss, 1848)
Species Chiton onyx Spengler, 1797 accepted as Acanthochitona crinita (Pennant, 1777)
Species Chiton ornatus P. P. Carpenter, 1856
Species Chiton oruktus Maughan, 1900 accepted as Rhyssoplax orukta (Maughan, 1900)
Species Chiton oryza Spengler, 1797 accepted as Stenosemus albus (Linnaeus, 1767)
Species Chiton pachylasmae Monterosato, 1879 accepted as Callistochiton pachylasmae (Monterosato, 1879)
Species Chiton pallasii Middendorff, 1847 accepted as Amicula vestita (Broderip & G. B. Sowerby I, 1829)
Species Chiton pallidulus Reeve, 1847 accepted as Ischnochiton striolatus (J. E. Gray, 1828)
Species Chiton papilio Spengler, 1797 accepted as Chaetopleura (Chaetopleura) papilio (Spengler, 1797)
Species Chiton papillosus C. B. Adams, 1845 accepted as Ischnochiton (Ischnochiton) papillosus (C. B. Adams, 1845)
Species Chiton particolor (Hull, 1923) accepted as Mucrosquama particolor (Hull, 1923)
Species Chiton parvus Stevens, 1858 † accepted as Glaphurochiton parvus (Stevens, 1858) †
Species Chiton patulus G. B. Sowerby II, 1840 accepted as Chiton stokesii Broderip, 1832
Species Chiton paucipustulosus Ashby & Torr, 1901 † accepted as Loricella paucipustulosa Ashby & Torr, 1901 †
Species Chiton pectinatus G. B. Sowerby II, 1840 accepted as Ischnoplax pectinata (G. B. Sowerby II, 1840)
Species Chiton pelliserpentis Quoy & Gaimard, 1835 accepted as Sypharochiton pelliserpentis (Quoy & Gaimard, 1835)
Species Chiton penicillatus Deshayes, 1863 accepted as Acanthochitona penicillata (Deshayes, 1863)
Species Chiton peregrinus Thiele, 1909 accepted as Rhyssoplax peregrina (Thiele, 1909)
Species Chiton perpunctatus Suter, 1906
Species Chiton pertusus Reeve, 1847 accepted as Chaetopleura (Chaetopleura) pertusa (Reeve, 1847)
Species Chiton peruvianus Lamarck, 1819 accepted as Chaetopleura peruviana (Lamarck, 1819)
Species Chiton perviridis P. P. Carpenter, 1865 accepted as Rhyssoplax perviridis (P. P. Carpenter, 1865)
Species Chiton petaloides A. Gould, 1846 accepted as Stenoplax petaloides (A. Gould, 1846)
Species Chiton petasus Reeve, 1847 accepted as Craspedochiton petasus (Reeve, 1847)
Species Chiton petholatus G. B. Sowerby II, 1839 accepted as Plaxiphora albida (Blainville, 1825)
Species Chiton phaseolinus Monterosato, 1879 accepted as Rhyssoplax phaseolina (Monterosato, 1879)
Species Chiton philippii Issel, 1870 accepted as Chiton corallinus (Risso, 1826)
Species Chiton piceus Gmelin, 1791 accepted as Acanthopleura granulata (Gmelin, 1791)
Species Chiton pictus W. Bean, 1844 accepted as Tonicella marmorea (O. Fabricius, 1780)
Species Chiton pictus Reeve, 1847 accepted as Lucilina lamellosa (Quoy & Gaimard, 1835)
Species Chiton pictus Blainville, 1825 accepted as Chiton squamosus Linnaeus, 1764
Species Chiton picus Reeve, 1847 accepted as Ischnochiton (Ischnochiton) dispar (G. B. Sowerby I, 1832)
Species Chiton planatus Spengler, 1797 accepted as Callochiton dentatus (Spengler, 1797)
Species Chiton platessa A. Gould, 1846 accepted as Ischnochiton (Ischnochiton) versicolor (G. B. Sowerby II, 1839)
Species Chiton polii R. A. Philippi, 1836 accepted as Lepidochitona (Lepidochitona) caprearum (Scacchi, 1836)
Species Chiton polii Deshayes, 1835 accepted as Chiton olivaceus Spengler, 1797
Species Chiton politus Spengler, 1797 accepted as Rhyssoplax polita (Spengler, 1797)
Species Chiton porosus Burrow, 1815 accepted as Cryptoconchus porosus (Burrow, 1815)
Species Chiton porphyreticus Reeve, 1847 accepted as Notoplax violacea (Quoy & Gaimard, 1835)
Species Chiton porphyrius G. B. Sowerby II, 1839 accepted as Plaxiphora albida (Blainville, 1825)
Species Chiton priscus Münster, 1839 † accepted as Gryphochiton priscus (Münster, 1839) †
Species Chiton productus Reeve, 1847 accepted as Stenoplax purpurascens (C. B. Adams, 1845)
Species Chiton proprius Reeve, 1847 accepted as Ischnochiton (Ischnochiton) dispar (G. B. Sowerby I, 1832)
Species Chiton proteus Reeve, 1847 accepted as Ischnochiton versicolor (G. B. Sowerby II, 1840)
Species Chiton pruinosus A. Gould, 1846 accepted as Ischnochiton striolatus (J. E. Gray, 1828)
Species Chiton pulchellus Gray, 1828 accepted as Callistochiton pulchellus (Gray, 1828)
Species Chiton pulchellus R. A. Philippi, 1844 accepted as Rhyssoplax corallina (Risso, 1826)
Species Chiton pulcher (Kaas, 1991) accepted as Tegulaplax pulchra Kaas, 1991
Species Chiton pulcherrimus G. B. Sowerby II, 1842 accepted as Rhyssoplax pulcherrima (G. B. Sowerby II, 1842)
Species Chiton pulvinatus P. P. Carpenter, 1893 accepted as Rhyssoplax pulvinata (P. P. Carpenter, 1893)
Species Chiton punctatus Linnaeus, 1758
Species Chiton punctulatissimus G. B. Sowerby I, 1832 accepted as Ischnochiton punctulatissimus (G. B. Sowerby I, 1832)
Species Chiton puniceus A. Gould, 1846 accepted as Callochiton puniceus (A. Gould, 1846)
Species Chiton purpurascens C. B. Adams, 1845 accepted as Stenoplax (Stenoplax) purpurascens (C. B. Adams, 1845)
Species Chiton pusillus G. B. Sowerby I, 1832 accepted as Ischnochiton (Ischnochiton) pusillus (G. B. Sowerby I, 1832)
Species Chiton pusio G. B. Sowerby I, 1832 accepted as Ischnochiton (Haploplax) pusio (G. B. Sowerby I, 1832)
Species Chiton pustulatus Krauss, 1848 accepted as Chaetopleura (Chaetopleura) pustulata (Krauss, 1848)
Species Chiton quercinus A. Gould, 1846 accepted as Onithochiton quercinus (A. Gould, 1846)
Species Chiton quinquivalvis T. Brown, 1823 accepted as Lepidochitona (Lepidochitona) cinerea (Linnaeus, 1767)
Species Chiton quoyi Deshayes, 1836 accepted as Chiton glaucus J. E. Gray, 1828
Species Chiton rapaitiensis Schwabe & Lozouet, 2006 accepted as Rhyssoplax rapaitiensis (Schwabe & Lozouet, 2006)
Species Chiton rarinota Jeffreys, 1883 accepted as Leptochiton rarinota (Jeffreys, 1883)
Species Chiton raripilosus Blainville, 1825 accepted as Plaxiphora aurata (Spalowsky, 1795)
Species Chiton rariplicatus Reuss, 1860 † accepted as Callochiton doriae (Capellini, 1859)
Species Chiton regularis P. P. Carpenter, 1856 accepted as Tripoplax regularis (P. P. Carpenter, 1856)
Species Chiton reticulatus Nierstrasz, 1905 accepted as Rhyssoplax pulcherrima (G. B. Sowerby II, 1842)
Species Chiton retusus G. B. Sowerby I, 1832 accepted as Callistoplax retusa (G. B. Sowerby I, 1832)
Species Chiton reussi Prochazka, 1895 accepted as Lepidopleurus cajetanus (Poli, 1791)
Species Chiton reussi Rolle, 1862 † accepted as Lepidochitona reussi (Rolle, 1862) †
Species Chiton rhynchotus (Rochebrune, 1884) accepted as Rhyssoplax rhynchota (Rochebrune, 1884)
Species Chiton rissoi Payraudeau, 1826 accepted as Ischnochiton (Ischnochiton) rissoi (Payraudeau, 1826)
Variety Chiton rissoi var. carinata Issel, 1870 accepted as Ischnochiton rissoi (Payraudeau, 1826)
Variety Chiton rissoi var. fragilis Monterosato, 1878 accepted as Ischnochiton rissoi (Payraudeau, 1826)
Species Chiton roseus G. B. Sowerby I, 1832 accepted as Stenoplax boogii (Haddon, 1886)
Species Chiton rubellus Pilsbry, 1893 accepted as Chiton corallinus (Risso, 1826)
Species Chiton rubellus Nardo, 1847 accepted as Chiton (Rhyssoplax) olivaceus Spengler, 1797
Species Chiton ruber Linnaeus, 1767 accepted as Boreochiton ruber (Linnaeus, 1767)
Species Chiton rubicundus O. G. Costa, 1830 accepted as Chiton corallinus (Risso, 1826)
Species Chiton rubiginosus (F. W. Hutton, 1872) accepted as Notoplax rubiginosa (F. W. Hutton, 1872)
Species Chiton rubrolineatus Lischke, 1873 accepted as Acanthochitona rubrolineata (Lischke, 1873)
Species Chiton rudis F. W. Hutton, 1872 accepted as Lorica volvox (Reeve, 1847)
Species Chiton rugosus G. B. Sowerby II, 1840 accepted as Ceratozona squalida (C. B. Adams, 1845)
Species Chiton rugosus J. E. Gray, 1826
Species Chiton rugulatus G. B. Sowerby I, 1832 accepted as Stenoplax (Stenoplax) rugulata (G. B. Sowerby I, 1832)
Species Chiton rugulosus G. B. Sowerby I, 1825
Species Chiton rusticus Deshayes, 1863 accepted as Chiton mauritianus Quoy & Gaimard, 1835
Species Chiton sagrinatus Couthouy, 1838 accepted as Stenosemus albus (Linnaeus, 1767)
Species Chiton salamander Spengler, 1797 accepted as Acanthopleura granulata (Gmelin, 1791)
Species Chiton salihafui Bullock, 1972 accepted as Rhyssoplax salihafui (Bullock, 1972)
Species Chiton sandbergianus de Ryckholt, 1845 † accepted as Pterochiton sandbergianus (de Ryckholt, 1845) †
Species Chiton sanguineus Deshayes, 1863 accepted as Callochiton deshayesi Thiele, 1909
Species Chiton scaber Reeve, 1847 accepted as Nuttallina californica (Reeve, 1847)
Species Chiton scaber Blainville, 1825
Species Chiton scabriculus G. B. Sowerby I, 1832 accepted as Chaetopleura lurida (G. B. Sowerby I, 1832)
Species Chiton scabridus Jeffreys, 1880 accepted as Leptochiton scabridus (Jeffreys, 1880)
Species Chiton scarabaeus Reeve, 1847 accepted as Chiton marmoratus Gmelin, 1791
Species Chiton scoticus Leach, 1852 accepted as Leptochiton asellus (Gmelin, 1791)
Species Chiton scrobiculatus Middendorff, 1847 accepted as Lepidozona scrobiculata (Middendorff, 1847)
Species Chiton sculptus G. B. Sowerby II, 1839
Species Chiton scutiger Reeve, 1847 accepted as Acanthochitona scutigera (Reeve, 1847)
Species Chiton scytodesma Scacchi, 1836 accepted as Callochiton septemvalvis (Montagu, 1803)
Species Chiton segmentatus Reeve, 1847 accepted as Calloplax janeirensis (J. E. Gray, 1828)
Species Chiton semilaevis Pilsbry, 1893 accepted as Rhyssoplax canariensis (A. d'Orbigny, 1840)
Species Chiton septemvalvis Montagu, 1803 accepted as Callochiton septemvalvis (Montagu, 1803)
Species Chiton setiger P. P. King, 1832 accepted as Plaxiphora (Plaxiphora) aurata (Spalowsky, 1795)
Species Chiton setosus G. B. Sowerby I, 1832 accepted as Ceratozona angusta Thiele, 1909
Species Chiton shirleyi Iredale, 1914 accepted as Lucilina lamellosa (Quoy & Gaimard, 1835)
Species Chiton siculoides E. A. Smith, 1891 accepted as Rhyssoplax aerea (Reeve, 1847)
Species Chiton siculus Gray, 1828 accepted as Chiton (Rhyssoplax) olivaceus Spengler, 1797
Species Chiton simpsonii J. E. Gray, 1847 accepted as Mopalia lignosa (A. Gould, 1846)
Species Chiton sinclairi J. E. Gray, 1843 accepted as Sypharochiton sinclairi (J. E. Gray, 1843)
Species Chiton sitchensis Middendorff, 1847 accepted as Tonicella submarmorea (Middendorff, 1847)
Species Chiton sitkensis Reeve, 1847 accepted as Cryptochiton stelleri (Middendorff, 1847)
Species Chiton soleaformis Etheridge, 1882 † accepted as Soleachiton soleaformis (Etheridge, 1882) †
Species Chiton sowerbianus Reeve, 1847 accepted as Chaetopleura sowerbiana (Reeve, 1847)
Species Chiton sowerbyanus Clessin, 1904 accepted as Chaetopleura lurida (G. B. Sowerby I, 1832)
Species Chiton speciosus Nierstrasz, 1905 accepted as Rhyssoplax speciosa (Nierstrasz, 1905)
Species Chiton spengleri Blainville, 1825 accepted as Chiton squamosus Linnaeus, 1764
Species Chiton spiculosus Reeve, 1847 accepted as Acanthochitona spiculosa (Reeve, 1847)
Species Chiton spiniferus Frembly, 1827 accepted as Acanthopleura echinata (Barnes, 1824)
Species Chiton spiniger G. B. Sowerby II, 1839 accepted as Acanthopleura gemmata (Blainville, 1825)
Species Chiton spinosetatus Bergenhayn, 1930 accepted as Rhyssoplax spinosetata (Bergenhayn, 1930)
Species Chiton spinosus Bruguière, 1792 accepted as Acanthopleura spinosa (Bruguière, 1792)
Species Chiton spinulosus Gray, 1828 accepted as Chaetopleura spinulosa (Gray, 1828)
Species Chiton squalidus C. B. Adams, 1845 accepted as Ceratozona squalida (C. B. Adams, 1845)
Species Chiton squammulosus Dollfus, 1883 accepted as Chiton (Rhyssoplax) olivaceus Spengler, 1797
Species Chiton squamosum Linnaeus, 1764 accepted as Chiton squamosus Linnaeus, 1764
Species Chiton squamosus Linnaeus, 1764
Species Chiton squamulosus C. B. Adams, 1845 accepted as Ischnochiton striolatus (J. E. Gray, 1828)
Species Chiton stangeri Reeve, 1847 accepted as Chiton (Rhyssoplax) stangeri Reeve, 1847
Species Chiton stigma O. G. Costa, 1830 accepted as Callochiton septemvalvis (Montagu, 1803)
Species Chiton stokesii Broderip, 1832
Species Chiton stramineus G. B. Sowerby I, 1832 accepted as Ischnochiton stramineus (G. B. Sowerby I, 1832)
Species Chiton striatus Brusina, 1870 accepted as Chiton (Rhyssoplax) olivaceus Spengler, 1797
Species Chiton striatus Barnes, 1824 accepted as Chiton magnificus Deshayes, 1827
Species Chiton striatus Fischer von Waldheim, 1807 accepted as Chiton squamosus Linnaeus, 1764
Species Chiton striolatus J. E. Gray, 1828 accepted as Ischnochiton (Ischnochiton) striolatus (J. E. Gray, 1828)
Species Chiton subassimilis Souverbie, 1866 accepted as Rhyssoplax subassimilis (Souverbie, 1866)
Species Chiton subcajetanus A. d'Orbigny, 1852 accepted as Lepidopleurus cajetanus (Poli, 1791)
Species Chiton subfuscus G. B. Sowerby I, 1832 accepted as Chiton magnificus Deshayes, 1827
Species Chiton subgemmatus A. d'Orbigny, 1850 † accepted as Pterochiton subgemmatus (A. d'Orbigny, 1850) †
Species Chiton subgigas Blainville, 1825 accepted as Dinoplax gigas (Gmelin, 1791)
Species Chiton submarmoreus Middendorff, 1847 accepted as Tonicella marmorea (O. Fabricius, 1780)
Species Chiton subquadratus Kirkby & J. Young, 1867 † accepted as Glyptochiton subquadratus (Kirkby & J. Young, 1867) †
Species Chiton sueurii Blainville, 1825 accepted as Acanthochitona sueurii (Blainville, 1825)
Species Chiton sueziensis Reeve, 1847 accepted as Lucilina sueziensis (Reeve, 1847)
Species Chiton sulcatus W. Wood, 1815 accepted as Radsia sulcatus (W. Wood, 1815)
Species Chiton suteri Iredale, 1910 accepted as Rhyssoplax aerea (Reeve, 1847)
Species Chiton swainsoni G. B. Sowerby I, 1832 accepted as Tonicia swainsoni (G. B. Sowerby I, 1832)
Species Chiton tasmanicus Paetel, 1887 accepted as Plaxiphora albida (Blainville, 1825)
Species Chiton tectiformis (Is. Taki, 1938) accepted as Rhyssoplax tectiformis Is. Taki, 1938
Species Chiton tehuelchus A. d'Orbigny, 1839 accepted as Chaetopleura angulata (Spengler, 1797)
Species Chiton tenuissimus F. Sandberger, 1859 † accepted as Tonicella tenuissima (F. Sandberger, 1859) †
Species Chiton tenuistriatus G. B. Sowerby II, 1840 accepted as Chiton glaucus J. E. Gray, 1828
Species Chiton terquemi Deslongchamps, 1859 † accepted as Pterygochiton terquemi (Deslongchamps, 1859) †
Species Chiton tesselatus Quoy & Gaimard, 1835 accepted as Ischnochiton quoyanus Thiele, 1910
Species Chiton tessellatus W. Wood, 1815 accepted as Chiton tuberculatus Linnaeus, 1758
Species Chiton testudo Spengler, 1797 accepted as Acanthopleura testudo (Spengler, 1797)
Species Chiton textilis J. E. Gray, 1828 accepted as Ischnochiton textilis (J. E. Gray, 1828)
Species Chiton themeropis (Iredale, 1914) accepted as Sypharochiton themeropis Iredale, 1914
Species Chiton thomondiensis Baily, 1859 † accepted as Pterochiton thomondiensis (Baily, 1859) †
Species Chiton tigrinus Krauss, 1848 accepted as Ischnochiton textilis (J. E. Gray, 1828)
Species Chiton tigris Spengler, 1797 accepted as Chiton squamosus Linnaeus, 1764
Species Chiton torri Suter, 1907 accepted as Sypharochiton torri (Suter, 1907)
Species Chiton torri Hedley & Hull, 1909 accepted as Chiton torrianus Hedley & Hull, 1910
Species Chiton torrianus Hedley & Hull, 1910 accepted as Rhyssoplax torriana (Hedley & Hull, 1910)
Species Chiton translucens Hedley & Hull, 1909 accepted as Rhyssoplax translucens (Hedley & Hull, 1912)
Species Chiton tricostalis Pilsbry, 1894 accepted as Rhyssoplax tricostalis (Pilsbry, 1894)
Species Chiton truncatus G. B. Sowerby II, 1841 accepted as Lucilina truncata (G. B. Sowerby II, 1841)
Species Chiton tuberculatus Leach, 1852 accepted as Leptochiton cancellatus (G. B. Sowerby II, 1840)
Species Chiton tuberculatus Linnaeus, 1758
Species Chiton tuberculiferus G. B. Sowerby I, 1825
Species Chiton tuberculosus Souverbie, 1866 accepted as Rhyssoplax discolor (Souverbie, 1866)
Species Chiton tulipa Quoy & Gaimard, 1835 accepted as Rhyssoplax polita (Spengler, 1797)
Species Chiton tunicatus W. Wood, 1815 accepted as Katharina tunicata (W. Wood, 1815)
Species Chiton turnacianus Ryckholt, 1845 † accepted as Gryphochiton turnacianus (Ryckholt, 1845) †
Species Chiton tuticorinensis H. C. Ray & Roychoudhury, 1968 accepted as Chiton granoradiatus Leloup, 1937
Species Chiton undatus Spengler, 1797 accepted as Chiton tuberculatus Linnaeus, 1758
Species Chiton undulatus G. B. Sowerby I, 1839
Species Chiton undulatus Quoy & Gaimard, 1835 accepted as Onithochiton neglectus Rochebrune, 1881
Species Chiton undulatus Fischer von Waldheim, 1807 accepted as Chiton marmoratus Gmelin, 1791
Species Chiton undulatus Olfers, 1818 accepted as Chiton squamosus Linnaeus, 1764
Species Chiton unicolor Schröter, 1801 accepted as Chiton marmoratus Gmelin, 1791
Species Chiton ustulatus Reeve, 1847 accepted as Ischnochiton elongatus (Blainville, 1825)
Species Chiton vangoethemi Leloup, 1981 accepted as Ischnochiton adelaidensis (Reeve, 1847)
Species Chiton variegatus R. A. Philippi, 1836 accepted as Lepidochitona cinerea (Linnaeus, 1767)
Species Chiton variegatus Leach, 1852 accepted as Lepidochitona (Lepidochitona) cinerea (Linnaeus, 1767)
Species Chiton variegatus Blainville, 1825 accepted as Chiton squamosus Linnaeus, 1764
Species Chiton varius G. B. Sowerby II, 1839
Species Chiton vauclusensis Hedley & Hull, 1909 accepted as Rhyssoplax vauclusensis (Hedley & Hull, 1912)
Species Chiton velatus G. B. Sowerby II, 1833 accepted as Chaetopleura (Chaetopleura) angulata (Spengler, 1797)
Species Chiton venustus (Hull, 1923) accepted as Rhyssoplax venusta Hull, 1923
Species Chiton verconis Torr & Ashby, 1898 accepted as Mucrosquama verconis (Torr & Ashby, 1898)
Species Chiton versicolor G. B. Sowerby II, 1840 accepted as Ischnochiton versicolor (G. B. Sowerby II, 1840)
Species Chiton versicolor A. Adams, 1854 accepted as Callochiton crocinus (Reeve, 1847)
Species Chiton vespertinus A. Gould, 1852 accepted as Mopalia vespertina (A. Gould, 1852)
Species Chiton vestitus Broderip & G. B. Sowerby I, 1829 accepted as Amicula amiculata (Pallas, 1788)
Species Chiton vetustus R. A. Philippi, 1887 †
Species Chiton violaceus Quoy & Gaimard, 1835 accepted as Notoplax violacea (Quoy & Gaimard, 1835)
Species Chiton virgatus Reeve, 1848 accepted as Ischnochiton (Ischnochiton) virgatus (Reeve, 1848)
Species Chiton virgifer F. Sandberger, 1859 † accepted as Lepidopleurus virgifer (F. Sandberger, 1859) †
Species Chiton virgulatus G. B. Sowerby II, 1840
Species Chiton viridis Spengler, 1797
Species Chiton viridis Quoy & Gaimard, 1835 accepted as Chiton glaucus J. E. Gray, 1828
Species Chiton viridis Schröter, 1801 accepted as Plaxiphora tricolor Thiele, 1909
Species Chiton viridulus A. Gould, 1846 accepted as Ischnochiton (Ischnochiton) viridulus (A. Gould, 1846)
Species Chiton viseticola Ryckholt, 1845 † accepted as Gryphochiton viseticola (Ryckholt, 1845) †
Species Chiton volvox Reeve, 1847 accepted as Lorica volvox (Reeve, 1847)
Species Chiton wahlbergi Krauss, 1848 accepted as Onithochiton literatus (Krauss, 1848)
Species Chiton wallacei Winckworth, 1927 accepted as Rhyssoplax peregrina (Thiele, 1909)
Species Chiton watsoni G. B. Sowerby II, 1840 accepted as Chaetopleura papilio (Spengler, 1797)
Species Chiton whitleyi (Iredale & Hull, 1932) accepted as Rhyssoplax whitleyi Iredale & Hull, 1932
Species Chiton woodii Clessin, 1903 accepted as Chiton sulcatus W. Wood, 1815
Species Chiton wosnessenskii Middendorff, 1847 accepted as Mopalia ciliata (G. B. Sowerby II, 1840)
Species Chiton youngianus Kirkby, 1865 † accepted as Glyptochiton youngianus (Kirkby, 1865) †
Species Chiton zelandicus Quoy & Gaimard, 1835 accepted as Acanthochitona zelandica (Quoy & Gaimard, 1835)
Species Chiton zschaui Pfeffer, 1886 accepted as Tonicina zschaui (Pfeffer, 1886)
Genus Chondroplax Thiele, 1893 accepted as Chiton Linnaeus, 1758
Genus Diochiton Thiele, 1893 accepted as Chiton Linnaeus, 1758
Genus Georgus Thiele, 1893 accepted as Rhyssoplax Thiele, 1893
Genus Gymnoplax Gray, 1821 (1)
Genus Mopaliopsis Thiele, 1893
Genus Mucrosquama Iredale & Hull, 1926 (3)
Genus Oscabrion "Herrmannsen, 1847" accepted as Chiton Linnaeus, 1758
Genus Poeciloplax Thiele, 1893 accepted as Chiton Linnaeus, 1758
Genus Radsia J. E. Gray, 1847 (3)
Genus Rhopalopleura Thiele, 1893
Genus Rhyssoplax Thiele, 1893 (58)
Genus Sclerochiton Dall, 1882 accepted as Chiton Linnaeus, 1758
Genus Stereoplax Thiele, 1893
Genus Sypharochiton Thiele, 1893 (5)
Genus Tegulaplax Iredale & Hull, 1926 (3)
Subfamily Rapanuiinae Dell'Angelo, Raines & Bonfitto, 2004 accepted as Toniciinae Pilsbry, 1893
Subfamily Toniciinae Pilsbry, 1893 (66)
Genus Oochiton Ashby, 1929 † (1)
Family Ischnochitonidae Dall, 1889 (264)
Family Loricidae Iredale & Hull, 1923 (20)
Family Ochmazochitonidae R. D. Hoare & A. G. Smith, 1984 † (1)
Family Spinochitonidae Dell'Angelo, Lesport, Cluzaud & Sosso, 2019 † (1)
Superfamily Schizochitonoidea Dall, 1889 (6)
Suborder Ischnochitonina accepted as Chitonina
Order Lepidopleurida (307)
Subclass Palaeoloricata † (47)
Subclass Polyplacophora incertae sedis † (5)
Class Polyplaxiphora accepted as Polyplacophora
Class Rostroconchia † (64)
Class Scaphopoda (752)
Class Solenoconchia accepted as Scaphopoda
Class Solenogastres (313)
Subclass Chaetodermomorpha accepted as Caudofoveata