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- Mollusca (132 754)
- Subphylum Aculifera
- Subphylum Conchifera
- Subphylum Placophora accepted as Polyplacophora
- Superclass Aplacophora
- Class Amphineura accepted as Aculifera
- Class Bivalvia (24 992)
- Class Caudofoveata (143)
- Class Cephalopoda (1 832)
- Class Conchifera accepted as Bivalvia
- Class Cricoconarida † (1)
- Class Gastropoda (102 679)
- Subclass Amphigastropoda † (387)
- Subclass Angiogastropoda represented as Gastropoda
- Subclass Apogastropoda
- Subclass Caenogastropoda (53 623)
- Subterclass Sorbeoconcha (147)
- Superorder Hypsogastropoda
- Order Architaenioglossa (4 917)
- Order Caenogastropoda incertae sedis (7 675)
- Order Littorinimorpha (17 171)
- Order Neogastropoda (23 713)
- Superfamily Buccinoidea Rafinesque, 1815 (5 253)
- Family Alectrionidae Dall, 1908 accepted as Nassariinae Iredale, 1916 (1835)
- Family Anachidae A. N. Golikov & Starobogatov, 1972 accepted as Atiliinae Cossmann, 1901
- Family Arculariidae Iredale, 1915 accepted as Nassariinae Iredale, 1916 (1835)
- Family Austrosiphonidae Cotton & Godfrey, 1938 (58)
- Family Belomitridae Kantor, Puillandre, Rivasseau & Bouchet, 2012 (32)
- Family Beringiidae A. N. Golikov & Starobogatov, 1975 accepted as Beringiinae A. N. Golikov & Starobogatov, 1975
- Family Buccinanopsidae Galindo, Puillandre, Lozouet & Bouchet, 2016 (7)
- Family Buccinidae Rafinesque, 1815 (512)
- Family Buccinoidea incertae sedis (154)
- Family Buccinulidae H. J. Finlay, 1928 accepted as Tudiclidae Cossmann, 1901
- Family Busyconidae Wade, 1917 (1867) (33)
- Family Cassidulidae Gray, 1854 accepted as Melongenidae Gill, 1871 (1854)
- Family Chauvetiidae Kantor, Fedosov, Kosyan, Puillandre, Sorokin, Kano, R. Clark & Bouchet, 2021 (61)
- Family Colidae J. E. Gray, 1857 (32)
- Family Colubrariidae Dall, 1904 (162)
- Family Columbellidae Swainson, 1840 (1 201)
- Subfamily Atiliinae Cossmann, 1901
- Subfamily Columbellinae Swainson, 1840
- Genus Ademitrella Ludbrook, 1941 † (1)
- Genus Aesopus A. Gould, 1860 (32)
- Genus Alcira H. Adams, 1861 (1)
- Genus Alia H. Adams & A. Adams, 1853 (6)
- Genus Amphissa H. Adams & A. Adams, 1853 (10)
- Genus Anachis H. Adams & A. Adams, 1853 (127)
- Subgenus Anachis (Alia) H. Adams & A. Adams, 1853 accepted as Alia H. Adams & A. Adams, 1853
- Subgenus Anachis (Costoanachis) Sacco, 1890 accepted as Costoanachis Sacco, 1890
- Subgenus Anachis (Glyptanachis) Pilsbry & H. N. Lowe, 1932 accepted as Glyptanachis Pilsbry & H. N. Lowe, 1932
- Subgenus Anachis (Litotrema) Weisbord, 1962 †
- Subgenus Anachis (Macgintopsis) Olsson & Harbison, 1953 † represented as Anachis H. Adams & A. Adams, 1853
- Subgenus Anachis (Nitidella) Swainson, 1840 accepted as Nitidella Swainson, 1840
- Subgenus Anachis (Parvanachis) Radwin, 1968 accepted as Parvanachis Radwin, 1968
- Subgenus Anachis (Suturoglypta) Radwin, 1968 accepted as Suturoglypta Radwin, 1968
- Subgenus Anachis (Turricolumbus) Cossmann, 1901 †
- Subgenus Anachis (Zafra) A. Adams, 1860 accepted as Zafra A. Adams, 1860
- Subgenus Anachis (Zafrona) Iredale, 1916 accepted as Zafrona Iredale, 1916
- Species Anachis acuta Stearns, 1873 accepted as Suturoglypta iontha (Ravenel, 1861)
- Species Anachis adelinae (Tryon, 1883)
- Species Anachis albella (C. B. Adams, 1850) accepted as Suturoglypta albella (C. B. Adams, 1850)
- Species Anachis albonodosa P. P. Carpenter, 1857
- Species Anachis aliceae (Pallary, 1900)
- Species Anachis alliouagana Faber, 2004
- Species Anachis amphissella (Dall, 1881) accepted as Astyris amphissella (Dall, 1881)
- Species Anachis anglica (S. V. Wood, 1874) †
- Species Anachis atkinsoni (Tenison Woods, 1876)
- Species Anachis atramentaria (G. B. Sowerby I, 1844)
- Species Anachis atrata (A. Gould, 1860) accepted as Zafra atrata (A. Gould, 1860)
- Species Anachis aurantia (Lamarck, 1822)
- Species Anachis avara (Say, 1822) accepted as Costoanachis avara (Say, 1822)
- Species Anachis avaroides F. Nordsieck, 1975
- Species Anachis bacalladoi (Espinosa, Ortea & Moro, 2008)
- Species Anachis barazeri K. Monsecour & D. Monsecour, 2018
- Species Anachis bartschii Dall, 1918 accepted as Anachis gaskoini P. P. Carpenter, 1857
- Species Anachis bartschii Dall, 1918, sensu Keen, 1958 accepted as Anachis fayae Keen, 1971
- Species Anachis bastionii Pelorce, 2020
- Species Anachis beachportensis (Verco, 1910)
- Species Anachis beckeri (G. B. Sowerby III, 1900) accepted as Costoanachis beckeri (G. B. Sowerby III, 1900)
- Species Anachis berryi Shasky, 1970
- Species Anachis bifasciata Ardovini, 2005 accepted as Zafra pumila (Dunker, 1860)
- Species Anachis blignautae Kilburn, 1998 accepted as Suturoglypta blignautae (Kilburn, 1998)
- Species Anachis boivini (Kiener, 1841)
- Species Anachis burnupi (E. A. Smith, 1901) accepted as Zafrona trifilosa (E. A. Smith, 1882)
- Species Anachis camax Dall, 1890 †
- Species Anachis cancellata Castellanos, 1979 accepted as Amphissa cancellata (Castellanos, 1979)
- Species Anachis cancellata (Gaskoin, 1852) accepted as Anachis aurantia (Lamarck, 1822)
- Species Anachis carloslirae P. M. S. Costa, 1996
- Species Anachis carmen Pilsbry & H. N. Lowe, 1932 accepted as Anachis pardalis (Hinds, 1843)
- Species Anachis catenata (G. B. Sowerby I, 1844) accepted as Costoanachis catenata (G. B. Sowerby I, 1844)
- Species Anachis chariessa T. L. McGinty, 1940 †
- Species Anachis chuni (Thiele, 1925)
- Species Anachis cingulata Lussi, 2009 accepted as Decipifus cingulatus (Lussi, 2009)
- Species Anachis clappi Mansfield, 1930 †
- Species Anachis clewistonensis M. Smith, 1936 †
- Species Anachis cominellaeformis (Tate, 1892)
- Species Anachis comistea (Melvill, 1906) accepted as Seminella comistea (Melvill, 1906)
- Species Anachis consanguinea (G. B. Sowerby III, 1897) accepted as Decipifus consanguineus (G. B. Sowerby III, 1897)
- Species Anachis constrictocanalis K. Monsecour & D. Monsecour, 2016
- Species Anachis corbariae K. Monsecour & D. Monsecour, 2024
- Species Anachis coronata (G. B. Sowerby I, 1832)
- Species Anachis coseli Diaz & Mittnacht, 1991
- Species Anachis costellata (Broderip & G. B. Sowerby I, 1829)
- Species Anachis costellifera Pease, 1863
- Species Anachis costulata (Cantraine, 1835) accepted as Amphissa acutecostata (R. A. Philippi, 1844)
- Species Anachis crassicostata Wanner & Hahn, 1935 †
- Species Anachis crassicostata Cossmann, 1903 †
- Species Anachis crassilabris (Reeve, 1859) accepted as Parvanachis obesa (C. B. Adams, 1845)
- Species Anachis crebricostata (Tenison Woods, 1879) † accepted as Turricolumbus crebricostatus (Tenison Woods, 1879) †
- Species Anachis cuspidata (Marrat, 1877)
- Species Anachis dalli Bartsch, 1931 accepted as Parvanachis pygmaea (G. B. Sowerby I, 1832)
- Species Anachis debilis (Hedley, 1915) accepted as Zafra debilis Hedley, 1915
- Species Anachis decimdentata Pilsbry & H. N. Lowe, 1932
- Species Anachis delamarrei Rolán & F. Boyer, 2006
- Species Anachis delineata Rolán & Oliveira, 2008
- Species Anachis demani De Jong & Coomans, 1988 accepted as Anachis demanorum De Jong & Coomans, 1988
- Species Anachis demanorum De Jong & Coomans, 1988
- Species Anachis dibolos (Barnard, 1964) accepted as Anarithma metula (Hinds, 1843)
- Species Anachis diminuta (C. B. Adams, 1852) accepted as Parvanachis diminuta (C. B. Adams, 1852)
- Species Anachis domlamyi Pelorce, 2020
- Species Anachis donnae Moolenbeek & Dance, 1994
- Species Anachis electona (Duclos, 1840)
- Species Anachis erepta (Barnard, 1969) accepted as Drillia erepta Barnard, 1969
- Species Anachis facula K. Monsecour & D. Monsecour, 2016
- Species Anachis fasciata (G. B. Sowerby I, 1825)
- Species Anachis fauroti (Jousseaume, 1888)
- Species Anachis fayae Keen, 1971
- Species Anachis fenestrata (Verco, 1910)
- Species Anachis fenneli Radwin, 1968 accepted as Costoanachis fenneli (Radwin, 1968)
- Species Anachis floridana Rehder, 1939 accepted as Costoanachis floridana (Rehder, 1939)
- Species Anachis fluctuata (G. B. Sowerby I, 1832)
- Species Anachis freytagi (Maltzan, 1884)
- Species Anachis fritschi (O. Boettger, 1883) †
- Species Anachis fulva (G. B. Sowerby I, 1832)
- Species Anachis fuscafasciata Lussi, 2009 accepted as Antimitrella fuscafasciata (Lussi, 2009)
- Species Anachis fuscostrigata P. P. Carpenter, 1864 accepted as Aesopus fuscostrigatus (P. P. Carpenter, 1864)
- Species Anachis fusidens (Dall, 1908)
- Species Anachis gaskoini P. P. Carpenter, 1857 accepted as Anachis menaletta (Duclos, 1846)
- Species Anachis gembacana (K. Martin, 1884) †
- Species Anachis globosa K. Monsecour & D. Monsecour, 2024
- Species Anachis gracilis (C. B. Adams, 1852)
- Species Anachis guerreroensis A. M. Strong & Hertlein, 1937
- Species Anachis guildingii (G. B. Sowerby I, 1844) accepted as Costoanachis hotessieriana (A. d'Orbigny, 1853)
- Species Anachis haliaeeti (Jeffreys, 1867) accepted as Amphissa acutecostata (R. A. Philippi, 1844)
- Species Anachis haliaeti [sic] accepted as Anachis haliaeeti (Jeffreys, 1867)
- Species Anachis hannana Hertlein & A. M. Strong, 1951
- Species Anachis helenae F. H. A. Costa, 1983 accepted as Cosmioconcha helenae (F. H. A. Costa, 1983)
- Species Anachis herberti K. Monsecour & D. Monsecour, 2024
- Species Anachis hilli Pilsbry & H. N. Lowe, 1932 accepted as Glyptanachis hilli (Pilsbry & H. N. Lowe, 1932)
- Species Anachis hotessieriana (A. d'Orbigny, 1853) accepted as Costoanachis hotessieriana (A. d'Orbigny, 1853)
- Species Anachis incerta (Stearns, 1892) accepted as Falsuszafrona incerta (Stearns, 1892)
- Species Anachis incisa K. Monsecour & D. Monsecour, 2016
- Species Anachis inferiodentata K. Monsecour & D. Monsecour, 2016
- Species Anachis inopinatus K. Monsecour & D. Monsecour, 2018
- Species Anachis iontha (Ravenel, 1861) accepted as Suturoglypta iontha (Ravenel, 1861)
- Species Anachis isabellei (A. d'Orbigny, 1839)
- Species Anachis ithitoma Dall, 1890 † accepted as Ithiaesopus ithitoma (Dall, 1890) †
- Species Anachis juani Horro & Rolán, 2010
- Species Anachis junghuhni (K. Martin, 1879) †
- Species Anachis jungi Faber, 2004
- Species Anachis karukeraensis Pelorce & Faber, 2013 accepted as Minimanachis karukeraensis (Pelorce & Faber, 2013)
- Species Anachis kathleenae F. Boyer, Pelorce & Gori, 2022
- Species Anachis kraussi [sic] accepted as Anachis kraussii (G. B. Sowerby I, 1844)
- Species Anachis kraussii (G. B. Sowerby I, 1844)
- Subspecies Anachis kraussii kitchingi (G. B. Sowerby III, 1894)
- Subspecies Anachis kraussii kraussii (G. B. Sowerby I, 1844)
- Forma Anachis kraussii f. io Bartsch, 1915 accepted as Anachis kraussii (G. B. Sowerby I, 1844)
- Forma Anachis kraussii f. kitchingi (G. B. Sowerby III, 1894) accepted as Anachis kraussii kitchingi (G. B. Sowerby III, 1894)
- Species Anachis lafresnayi (P. Fischer & Bernardi, 1857) accepted as Cotonopsis lafresnayi (P. Fischer & Bernardi, 1857)
- Species Anachis lamellata K. Monsecour & D. Monsecour, 2024
- Species Anachis leauae K. Monsecour & D. Monsecour, 2024
- Species Anachis leblondae Pelorce, 2020
- Species Anachis lemoinei Peyrot, 1925 † accepted as Zafrona arpula (Michelotti, 1840) †
- Species Anachis lentiginosa (Hinds, 1844)
- Species Anachis leptalea (E. A. Smith, 1902) accepted as Pyreneola leptalea (E. A. Smith, 1902)
- Species Anachis lightfooti (E. A. Smith, 1901) accepted as Zafrona lightfooti (E. A. Smith, 1901)
- Species Anachis lillianae Whitney, 1978
- Species Anachis limula K. Monsecour & D. Monsecour, 2016
- Species Anachis linelegallae K. Monsecour & D. Monsecour, 2024
- Species Anachis lurida (Hedley, 1907)
- Species Anachis lyrata (G. B. Sowerby I, 1832)
- Species Anachis madagascarensis Bozzetti, 2019
- Species Anachis maestratii K. Monsecour & D. Monsecour, 2024
- Species Anachis mangelioides (Reeve, 1859) accepted as Suturoglypta pretrii (Duclos, 1846)
- Species Anachis martinicensis Pelorce, 2013
- Species Anachis masakadoi (Yokoyama, 1922) †
- Species Anachis mcgintyi Nowell-Usticke, 1959 accepted as Costoanachis hotessieriana (A. d'Orbigny, 1853)
- Species Anachis menaletta (Duclos, 1846)
- Species Anachis meta (Thiele, 1925) accepted as Aesopus meta (Thiele, 1925)
- Species Anachis microstoma (Thiele, 1925) accepted as Zafra microstoma (Thiele, 1925)
- Species Anachis milium (Dall, 1916)
- Species Anachis milleti Van Dingenen, Ceulemans & Landau, 2017 † accepted as Nassarina milleti (Van Dingenen, Ceulemans & Landau, 2017) †
- Species Anachis minuta T. S. Oldroyd, 1921 †
- Species Anachis miser (G. B. Sowerby I, 1844)
- Species Anachis misera (G. B. Sowerby I, 1844) accepted as Anachis miser (G. B. Sowerby I, 1844)
- Species Anachis moesta (C. B. Adams, 1852)
- Species Anachis mogolloni Arias Ávila, 2021
- Species Anachis moleculina (Duclos, 1840) accepted as Mitrella moleculina (Duclos, 1840)
- Species Anachis multicosta Nowell-Usticke, 1969
- Species Anachis nigricans (G. B. Sowerby I, 1844) accepted as Parvanachis nigricans (G. B. Sowerby I, 1844)
- Species Anachis nigricostata (E. A. Smith, 1879)
- Species Anachis nigrofusca P. P. Carpenter, 1857
- Species Anachis nisitella (Duclos, 1840)
- Species Anachis njalindungensis (K. Martin, 1921) †
- Species Anachis norfolkensis K. Monsecour & D. Monsecour, 2016
- Species Anachis obeliscus Gori, F. Boyer & Pelorce, 2025
- Species Anachis obesa (C. B. Adams, 1845) accepted as Parvanachis obesa (C. B. Adams, 1845)
- Species Anachis ostreicola (G. B. Sowerby III, 1882) accepted as Parvanachis ostreicola (G. B. Sowerby III, 1882)
- Species Anachis oxillia (Duclos, 1846)
- Species Anachis paessleri (Strebel, 1905) accepted as Parvanachis paessleri (Strebel, 1905)
- Species Anachis pardalis (Hinds, 1843)
- Species Anachis paumotensis (Tryon, 1883) accepted as Mitropsis paumotensis (Tryon, 1883)
- Species Anachis peasei (E. von Martens & Langkavel, 1871) accepted as Seminella peasei (E. von Martens & Langkavel, 1871)
- Species Anachis peassleri [sic] accepted as Parvanachis paessleri (Strebel, 1905)
- Species Anachis pellucida Bozzetti, 2019
- Species Anachis penicillata P. P. Carpenter, 1864 accepted as Zanassarina penicillata (P. P. Carpenter, 1864)
- Species Anachis phanea Dall, 1919
- Species Anachis pinguis K. Monsecour & D. Monsecour, 2016
- Species Anachis polyaulax K. Monsecour & D. Monsecour, 2016
- Species Anachis praecursor (Yokoyama, 1922) †
- Species Anachis pretrii (Duclos, 1846) accepted as Suturoglypta pretrii (Duclos, 1846)
- Species Anachis problematica Laws, 1944 † accepted as Costoanachis problematica (Laws, 1944) †
- Species Anachis proclivis K. Monsecour & D. Monsecour, 2016
- Species Anachis profunda Pelorce, 2017
- Species Anachis pygmaea (G. B. Sowerby I, 1832) accepted as Parvanachis pygmaea (G. B. Sowerby I, 1832)
- Species Anachis ragivarui K. Monsecour & D. Monsecour, 2018
- Species Anachis rassierensis (Smythe, 1985)
- Species Anachis raysutana Smythe, 1985
- Species Anachis rechonchuda S. Lima & Guimarães, 2015
- Species Anachis reedi Bartsch, 1928
- Species Anachis rehderi Hertlein & A. M. Strong, 1951 accepted as Cosmioconcha rehderi (Hertlein & A. M. Strong, 1951)
- Species Anachis remoensis (Gatliff & Gabriel, 1910)
- Species Anachis renatae Rios, 2009
- Species Anachis retiaria (Tomlin, 1931) accepted as Smithena retiaria (Tomlin, 1931)
- Species Anachis rhodae Radwin, 1968
- Species Anachis richardi (Dautzenberg & H. Fischer, 1906)
- Species Anachis ritteri Hertlein & A. M. Strong, 1951
- Species Anachis roberti D. Monsecour & K. Monsecour, 2006
- Species Anachis rubra (E. von Martens, 1881) accepted as Mitrella rubra (E. von Martens, 1881)
- Species Anachis rufotincta P. P. Carpenter, 1857 accepted as Parvanachis diminuta (C. B. Adams, 1852)
- Species Anachis rugosa (G. B. Sowerby I, 1832)
- Species Anachis rugulosa (G. B. Sowerby I, 1844)
- Species Anachis ryalli Rolán, 2005
- Species Anachis samanensis Dall, 1889 accepted as Suturoglypta pretrii (Duclos, 1846)
- Species Anachis sanfelipensis H. N. Lowe, 1935
- Species Anachis scalarina (G. B. Sowerby I, 1832)
- Species Anachis scutulata (Reeve, 1859) accepted as Costoanachis scutulata (Reeve, 1859)
- Species Anachis semiplicata Stearns, 1873 accepted as Costoanachis semiplicata (Stearns, 1873)
- Species Anachis serrata P. P. Carpenter, 1857 accepted as Decipifus serratus (P. P. Carpenter, 1857)
- Species Anachis sertulariarum (d'Orbigny, 1839) accepted as Costoanachis sertulariarum (A. d'Orbigny, 1839)
- Species Anachis similis Ravenel, 1861 accepted as Costoanachis similis (Ravenel, 1861)
- Species Anachis sinaloa A. M. Strong & Hertlein, 1937
- Species Anachis spadicea (R. A. Philippi, 1846)
- Species Anachis sparsa (Reeve, 1859) accepted as Costoanachis sparsa (Reeve, 1859)
- Species Anachis speighti Marwick, 1924 † accepted as Antizafra speighti (Marwick, 1924) †
- Species Anachis splendens F. Boyer, Pelorce & Gori, 2022
- Species Anachis stimpsoni (Bartsch, 1915) accepted as Costoanachis stimpsoni (Bartsch, 1915)
- Species Anachis stricta (R. B. Watson, 1882)
- Species Anachis strix (R. B. Watson, 1882)
- Species Anachis strongi Bartsch, 1928
- Species Anachis subcostulata (C. B. Adams, 1845) accepted as Zafrona pulchella (Blainville, 1829)
- Species Anachis subturrita P. P. Carpenter, 1864 accepted as Exaesopus subturritus (P. P. Carpenter, 1864)
- Species Anachis tabogensis Bartsch, 1931 accepted as Anachis lentiginosa (Hinds, 1844)
- Species Anachis teevani Hertlein & A. M. Strong, 1951
- Species Anachis terebralis (Grateloup, 1834) † accepted as Costoanachis terebralis (Grateloup, 1834) †
- Species Anachis terpsichore (G. B. Sowerby I, 1822)
- Species Anachis tincta P. P. Carpenter, 1864 accepted as Steironepion tinctum (P. P. Carpenter, 1864)
- Species Anachis translirata (Ravenel, 1861) accepted as Costoanachis translirata (Ravenel, 1861)
- Species Anachis treva F. Baker, G. D. Hanna & A. M. Strong, 1938
- Species Anachis turriculata (Yokoyama, 1922) †
- Species Anachis unidens Pelorce, 2020
- Species Anachis ursula (Thiele, 1925) accepted as Zafrona ursula (Thiele, 1925)
- Species Anachis valledori Rolán & Luque, 2002
- Species Anachis varia (G. B. Sowerby I, 1832)
- Species Anachis varicosa (Gaskoin, 1852)
- Species Anachis veleda (Duclos, 1846)
- Species Anachis vermiculucostata K. Monsecour & D. Monsecour, 2009
- Species Anachis vexillum (Reeve, 1858)
- Species Anachis virginiae K. Monsecour & D. Monsecour, 2024
- Species Anachis vitula (Barnard, 1959) accepted as Columbella vitula Barnard, 1959
- Species Anachis wareni K. Monsecour & D. Monsecour, 2024
- Species Anachis whitei Bartsch, 1928 accepted as Nassarina whitei (Bartsch, 1928)
- Species Anachis wieserae Mansfield, 1930 †
- Species Anachis xani Rolán & Gori, 2012
- Genus Anachys [sic] accepted as Anachis H. Adams & A. Adams, 1853
- Genus Antimitrella A. W. B. Powell, 1937 (14)
- Genus Antizafra H. J. Finlay, 1926 † (9)
- Genus Aoteatilia A. W. B. Powell, 1939 (10)
- Genus Ascalista Drivas & M. Jay, 1990 (4)
- Genus Astyris H. Adams & A. Adams, 1853 (38)
- Genus Atilia H. Adams & A. Adams, 1853 accepted as Anachis H. Adams & A. Adams, 1853
- Genus Attilia H. Adams & A. Adams, 1853 accepted as Atilia H. Adams & A. Adams, 1853
- Genus Auingeria Harzhauser & Landau, 2021 † (3)
- Genus Bastropia K. van W. Palmer, 1937 † accepted as Mitrella (Bastropia) K. van W. Palmer, 1937 †
- Genus Bathyglypta Pelorce, 2017 (3)
- Genus Bellacolumbella Harzhauser & Landau, 2021 † (4)
- Genus Bifurcium P. Fischer, 1884 (1)
- Genus Brachystyloma Weisbord, 1962 † accepted as Anachis H. Adams & A. Adams, 1853
- Genus Cigclirina Woodring, 1928 † (1)
- Genus Cilara Thiele, 1924 (1)
- Genus Clathranachis Kuroda & Habe, 1954 (2)
- Genus Clavistrombina P. Jung, 1989 (1)
- Genus Clinurella Sacco, 1890 † (4)
- Genus Colombella [sic] accepted as Columbella Lamarck, 1799
- Genus Colombellarius Duméril, 1805 accepted as Columbella Lamarck, 1799
- Genus Columbela [sic] accepted as Columbella Lamarck, 1799
- Genus Columbella Lamarck, 1799 (39)
- Genus Columbellidae incertae sedis (1)
- Genus Columbellisipho Cossmann, 1889 † (2)
- Genus Columbellopsis Bucquoy, Dautzenberg & Dollfus, 1882 accepted as Mitrella Risso, 1826
- Genus Columbus Montfort, 1810 accepted as Columbella Lamarck, 1799
- Genus Columella [sic] accepted as Columbella Lamarck, 1799
- Genus Conella Swainson, 1840 (2)
- Genus Conidea Swainson, 1840 accepted as Pyrene Röding, 1798
- Genus Cosmioconcha Dall, 1913 (19)
- Genus Costoanachis Sacco, 1890 (52)
- Genus Cotonopsis Olsson, 1942 (21)
- Genus Decipifus Olsson & McGinty, 1958 (12)
- Genus Defensina Harzhauser & Landau, 2021 † (1)
- Genus Dentimitrella Ludbrook, 1958 accepted as Mitrella (Dentimitrella) Ludbrook, 1958
- Genus Euplica Dall, 1889 (16)
- Genus Eurypyrene Woodring, 1928 (3)
- Genus Euryta H. Adams & A. Adams, 1853 accepted as Mazatlania Dall, 1900
- Genus Euspiralta K. Monsecour & Pelorce, 2013 (2)
- Genus Exaesopus deMaintenon, 2019 (2)
- Genus Exomilopsis A. W. B. Powell, 1964 (2)
- Genus Falsuszafrona Pelorce, 2020 (12)
- Genus Gatliffena Iredale, 1929 (1)
- Genus Glyptanachis Pilsbry & H. N. Lowe, 1932 (1)
- Genus Graphicomassa Iredale, 1929 (6)
- Genus Indomitrella Oostingh, 1940 (14)
- Genus Ithiaesopus Olsson & Harbison, 1953 (2)
- Genus Juliamitrella L. D. Campbell, 1993 † (3)
- Genus Lavesopus Iredale, 1929 accepted as Aesopus (Lavesopus) Iredale, 1929
- Genus Liratilia H. J. Finlay, 1926 (6)
- Genus Macrozafra H. J. Finlay, 1926 (8)
- Genus Maintenonia K. Monsecour & D. Monsecour, 2024 (1)
- Genus Martaia Harzhauser & Landau, 2021 † (2)
- Genus Mazatlania Dall, 1900 (5)
- Genus Meta Reeve, 1859 accepted as Parametaria Dall, 1916
- Genus Metanachis Thiele, 1924 (4)
- Genus Metulella Gabb, 1873 (2)
- Genus Microcithara P. Fischer, 1884 (4)
- Genus Minimanachis Pelorce, 2020 (4)
- Genus Mitrella Risso, 1826 (293)
- Genus Mitropsis Pease, 1868 (2)
- Genus Mokumea T. Habe, 1991 (10)
- Genus Nassarina Dall, 1889 (21)
- Genus Nitidella Swainson, 1840 (1)
- Genus Nodochila Rehder, 1980 (1)
- Genus Orthurella Sacco, 1890 † (6)
- Genus Parametaria Dall, 1916 (6)
- Genus Pardalina Jousseaume, 1888 accepted as Pardalinops deMaintenon, 2008
- Genus Pardalinops deMaintenon, 2008 (6)
- Genus Pardanilops accepted as Pardalinops deMaintenon, 2008
- Genus Parvanachis Radwin, 1968 (14)
- Genus Paxula H. J. Finlay, 1926 (5)
- Genus Pictocolumbella Habe, 1945 (1)
- Genus Pleurifera Drivas & M. Jay, 1997 accepted as Pleuriferapex K. Monsecour & D. Monsecour, 2023
- Genus Pleuriferapex K. Monsecour & D. Monsecour, 2023 (6)
- Genus Pleurotomitrella Habe, 1958 accepted as Pyreneola Iredale, 1918
- Genus Psarostola Rehder, 1943 accepted as Steironepion Pilsbry & H. N. Lowe, 1932
- Genus Pseudamycla Pace, 1902 (3)
- Genus Pseudozafrona Arias Ávila, 2016 accepted as Urpiella Arias Ávila, 2021
- Genus Pygmaea Mörch, 1859
- Genus Pyrene Röding, 1798 (9)
- Genus Pyreneola Iredale, 1918 (16)
- Genus Radwinia Shasky, 1970 (1)
- Genus Ramoliva Cotton & Godfrey, 1932 (1)
- Genus Redfernella Espinosa & Ortea, 2020 (5)
- Genus Retizafra Hedley, 1913 (30)
- Genus Rhombinella Radwin, 1968 (1)
- Genus Ruthia Shasky, 1970 (2)
- Genus Salitra Marincovich, 1973 (1)
- Genus Scabrella Sacco, 1890 † (4)
- Genus Seminella Pease, 1868 (9)
- Genus Sincola Olsson & Harbison, 1953 (7)
- Genus Smithena F. Boyer, Pelorce & Gori, 2022 (7)
- Genus Speirazafra K. Monsecour & Raines, 2024 (1)
- Genus Steironepion Pilsbry & H. N. Lowe, 1932 (9)
- Genus Streptorygma Weisbord, 1962 †
- Genus Strombina Mörch, 1852 (22)
- Genus Strombinella Dall, 1896 † (1)
- Genus Strombocolumbus Cossmann, 1901 accepted as Strombina Mörch, 1852
- Genus Sulcomitrella Kuroda, T. Habe & Oyama, 1971 (16)
- Genus Suturoglypta Radwin, 1968 (24)
- Genus Thiarella Sacco, 1890 † (2)
- Genus Thiarinella Sacco, 1890 accepted as Scabrella Sacco, 1890 †
- Genus Trahaldia Pacaud, 2017 † (1)
- Genus Turricolumbus Cossmann, 1901 † (1)
- Genus Turrijaumelia Sarasúa, 1975 (4)
- Genus Urpiella Arias Ávila, 2021 (1)
- Genus Zafra A. Adams, 1860 (68)
- Genus Zafrona Iredale, 1916 (17)
- Genus Zanassarina Pilsbry & H. N. Lowe, 1932 (5)
- Genus Zella Iredale, 1924 (1)
- Genus Zemitrella H. J. Finlay, 1926 (38)
- Genus Zetekia Dall, 1918 (1)
- Family Cominellidae J. E. Gray, 1857 (76)
- Family Cyclopsidae Chenu, 1859 accepted as Nassariinae Iredale, 1916 (1835)
- Family Cyrtulidae MacDonald, 1869 accepted as Fusininae Wrigley, 1927
- Family Dolicholatiridae Kantor, Fedosov, Kosyan, Puillandre, Sorokin, Kano, R. Clark & Bouchet, 2021 (43)
- Family Donovaniidae T. L. Casey, 1904 accepted as Chauvetiidae Kantor, Fedosov, Kosyan, Puillandre, Sorokin, Kano, R. Clark & Bouchet, 2021
- Family Echinofulguridae Petuch, 1994 † (15)
- Family Eosiphonidae Kantor, Fedosov, Kosyan, Puillandre, Sorokin, Kano, R. Clark & Bouchet, 2021 (72)
- Family Fasciolariidae Gray, 1853 (883)
- Family Fulguridae Stoliczka, 1867 accepted as Busyconinae Wade, 1917 (1867)
- Family Galeodidae Thiele, 1925 accepted as Melongenidae Gill, 1871 (1854)
- Family Heligmotomidae Adegoke, 1977 † accepted as Melongenidae Gill, 1871 (1854)
- Family Latiridae Iredale, 1929 accepted as Fasciolariinae Gray, 1853
- Family Melongenidae Gill, 1871 (1854) (90)
- Family Nassariidae Iredale, 1916 (1835) (1 083)
- Family Neptuneidae W. Stimpson, 1865 accepted as Neptuneinae W. Stimpson, 1865
- Family Peristerniidae Tryon, 1880 accepted as Peristerniinae Tryon, 1880
- Family Pisaniidae J. E. Gray, 1857 (321)
- Family Prodotiidae Kantor, Fedosov, Kosyan, Puillandre, Sorokin, Kano, R. Clark & Bouchet, 2021 (27)
- Family Prosiphonidae A. W. B. Powell, 1951 (165)
- Family Pusiostomatidae Iredale, 1940 accepted as Pisaniidae J. E. Gray, 1857
- Family Pyrenidae Suter, 1909 accepted as Atiliinae Cossmann, 1901
- Family Retimohniidae Kantor, Fedosov, Kosyan, Puillandre, Sorokin, Kano, R. Clark & Bouchet, 2021 (31)
- Family Tudiclidae Cossmann, 1901 (195)
- Family Volemidae Winckworth, 1945 accepted as Melongenidae Gill, 1871 (1854)
- Superfamily Cancellarioidea Forbes & Hanley, 1851 accepted as Volutoidea Rafinesque, 1815
- Superfamily Conoidea J. Fleming, 1822 (8 671)
- Superfamily Mitroidea Swainson, 1831 (633)
- Superfamily Muricacea accepted as Muricoidea Rafinesque, 1815
- Superfamily Muricoidea Rafinesque, 1815 (2 940)
- Superfamily Neogastropoda incertae sedis (296)
- Superfamily Olivoidea Latreille, 1825 (740)
- Superfamily Pholidotomoidea Cossmann, 1896 † (55)
- Superfamily Pseudolivoidea De Gregorio, 1880 accepted as Olivoidea Latreille, 1825
- Superfamily Pyrifusoidea Bandel & Dockery, 2001 † accepted as Pholidotomoidea Cossmann, 1896 †
- Superfamily Sarganoidea Stephenson, 1923 † accepted as Pholidotomoidea Cossmann, 1896 †
- Superfamily Toxoglossa Troschel, 1848 accepted as Conoidea J. Fleming, 1822
- Superfamily Turbinelloidea Swainson, 1835 (1 252)
- Superfamily Volutoidea Rafinesque, 1815 (3 873)
- Order Stenoglossa accepted as Neogastropoda
- Subclass Gastropoda incertae sedis (308)
- Subclass Heterobranchia (39 154)
- Subclass Neomphaliones accepted as Vetigastropoda
- Subclass Neritimorpha (1 914)
- Subclass Orthogastropoda represented as Gastropoda
- Subclass Patellogastropoda (511)
- Subclass Prosobranchia
- Subclass Psilogastropoda represented as Gastropoda
- Subclass Vetigastropoda (6 782)
- 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)
- Class Polyplaxiphora accepted as Polyplacophora
- Class Rostroconchia † (64)
- Class Scaphopoda (752)
- Class Solenoconchia accepted as Scaphopoda
- Class Solenogastres (313)
- Subclass Chaetodermomorpha accepted as Caudofoveata