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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)
- Subclass Amphigastropoda † (390)
- Subclass Angiogastropoda represented as Gastropoda
- Subclass Apogastropoda
- Subclass Caenogastropoda (53 636)
- Subclass Gastropoda incertae sedis (308)
- Subclass Heterobranchia (39 156)
- Infraclass "Lower Heterobranchia" (1 137)
- Infraclass Euthyneura (37 433)
- Subterclass Acteonimorpha (411)
- Subterclass Ringipleura (2 917)
- Subterclass Tectipleura (34 105)
- Superorder Acochlidiimorpha (48)
- Superorder Ascoglossa accepted as Sacoglossa
- Superorder Basommatophora accepted as Hygrophila
- Superorder Eupulmonata (25 569)
- Order Aillyida accepted as Achatinina
- Order Ellobiida (579)
- Order Gymnomorpha accepted as Systellommatophora
- Order Stylommatophora (24 766)
- Suborder Achatinina (2 900)
- Suborder Elasmognatha accepted as Succineoidei
- Suborder Helicina (21 626)
- Infraorder Arionoidei (140)
- Infraorder Clausilioidei (1 859)
- Infraorder Helicina incertae sedis (3 210)
- Infraorder Helicoidei (5 690)
- Superfamily Helicoidea Rafinesque, 1815 (5 491)
- Family Ariantidae Mörch, 1864 accepted as Ariantinae Mörch, 1864
- Family Bradybaenidae Pilsbry, 1934 (1898) accepted as Camaenidae Pilsbry, 1895
- Family Calyciidae Iredale, 1941 accepted as Hadrinae Iredale, 1937
- Family Camaenidae Pilsbry, 1895 (2 898)
- Subfamily Aegistinae Kuroda & Habe, 1949 accepted as Aegistini Kuroda & Habe, 1949
- Subfamily Amphidrominae Kobelt, 1902 accepted as Camaeninae Pilsbry, 1895
- Subfamily Bradybaeninae Pilsbry, 1934 (1898) (763)
- Subfamily Camaeninae Pilsbry, 1895 (600)
- Subfamily Cristovalinae Schileyko, 2003 accepted as Hadrinae Iredale, 1937
- Subfamily Hadrinae Iredale, 1937 (1 165)
- Subfamily Helicostylinae Ihering, 1909 (1890) (343)
- Genus Anixa Pilsbry, 1895 (16)
- Genus Axina Albers, 1850 accepted as Anixa Pilsbry, 1895
- Genus Callicochlias Agassiz, 1847 accepted as Cochlostyla (Calocochlea) W. Hartmann, 1843
- Genus Calocochlea W. Hartmann, 1843 (59)
- Genus Calocochlia W. Hartmann, 1840 accepted as Calocochlea W. Hartmann, 1843
- Genus Canistrum Mörch, 1852 accepted as Cochlostyla A. Férussac, 1821
- Genus Chloraea Albers, 1850 (51)
- Genus Chlorea [sic] accepted as Chloraea Albers, 1850
- Genus Chromocochlea W. Hartmann, 1842 accepted as Helicobulinus Broderip, 1841
- Genus Chrysalis auct. accepted as Chrysallis Albers, 1850
- Genus Chrysallis Albers, 1850 (15)
- Genus Cochlodryas E. von Martens, 1860 (6)
- Genus Cochlostyla A. Férussac, 1821 (5)
- Subgenus Cochlostyla (Anixa) Pilsbry, 1895 represented as Anixa Pilsbry, 1895
- Subgenus Cochlostyla (Axina) Albers, 1850 accepted as Anixa Pilsbry, 1895
- Subgenus Cochlostyla (Callicochlias) Agassiz, 1847 accepted as Calocochlea W. Hartmann, 1843
- Subgenus Cochlostyla (Calocochlea) W. Hartmann, 1843 represented as Calocochlea W. Hartmann, 1843
- Subgenus Cochlostyla (Canistrum) Mörch, 1852 accepted as Canistrum Mörch, 1852
- Subgenus Cochlostyla (Chloraea) Albers, 1850 accepted as Chloraea Albers, 1850
- Subgenus Cochlostyla (Chromatosphaera) Pilsbry, 1892 accepted as Pfeifferia (Chromatosphaera) Pilsbry, 1892
- Subgenus Cochlostyla (Chrysalis) Albers, 1850 accepted as Chrysallis Albers, 1850
- Subgenus Cochlostyla (Chrysallis) Albers, 1850 accepted as Chrysallis Albers, 1850
- Subgenus Cochlostyla (Cochlodryas) E. von Martens, 1860 represented as Cochlodryas E. von Martens, 1860
- Subgenus Cochlostyla (Cochlostyla) A. Férussac, 1821 accepted as Helicostyla A. Férussac, 1821
- Subgenus Cochlostyla (Columplica) Hartmann, 1843 accepted as Pachya Albers, 1850
- Subgenus Cochlostyla (Corasia) Albers, 1850 accepted as Chloraea Albers, 1850
- Subgenus Cochlostyla (Dryocochlias) Möllendorff, 1898 accepted as Orthostylus H. Beck, 1837
- Subgenus Cochlostyla (Eudoxus) Albers, 1850 accepted as Helicostyla A. Férussac, 1821
- Subgenus Cochlostyla (Halocochlea) Bartsch, 1932 represented as Halocochlea Bartsch, 1932
- Subgenus Cochlostyla (Helicobulimus) Möllendorff, 1890 accepted as Cochlostyla (Helicobulinus) Broderip, 1841
- Subgenus Cochlostyla (Helicobulinus) Broderip, 1841 accepted as Helicobulinus Broderip, 1841
- Subgenus Cochlostyla (Helicostyla) A. Férussac, 1821 accepted as Helicostyla A. Férussac, 1821
- Species Cochlostyla (Helicostyla) bembicodes (L. Pfeiffer, 1851) accepted as Helicobulinus bembicodes (L. Pfeiffer, 1851)
- Species Cochlostyla (Helicostyla) boettgeriana Möllendorff, 1888 accepted as Helicostyla boettgeriana (Möllendorff, 1888)
- Species Cochlostyla (Helicostyla) bruguieriana (L. Pfeiffer, 1845) accepted as Anixa bruguieriana (L. Pfeiffer, 1845)
- Species Cochlostyla (Helicostyla) butleri (L. Pfeiffer, 1842) accepted as Orthostylus butleri (L. Pfeiffer, 1842)
- Species Cochlostyla (Helicostyla) cinerascens (L. Pfeiffer, 1845) accepted as Helicobulinus cinerascens (L. Pfeiffer, 1845)
- Species Cochlostyla (Helicostyla) dimera (Jonas, 1846) represented as Helicostyla dimera (Jonas, 1846)
- Species Cochlostyla (Helicostyla) dubiosa (L. Pfeiffer, 1846) represented as Helicostyla dubiosa (L. Pfeiffer, 1846)
- Species Cochlostyla (Helicostyla) fulgens (G. B. Sowerby I, 1841) accepted as Helicostyla fulgens (G. B. Sowerby I, 1841)
- Subspecies Cochlostyla (Helicostyla) fulgens fulgens (G. B. Sowerby I, 1841) represented as Helicostyla fulgens fulgens (G. B. Sowerby I, 1841)
- Subspecies Cochlostyla (Helicostyla) fulgens johnsoni Bartsch, 1932 represented as Helicostyla fulgens johnsoni (Bartsch, 1932)
- Subspecies Cochlostyla (Helicostyla) fulgens sapolana Bartsch, 1932 represented as Helicostyla fulgens sapolana (Bartsch, 1932)
- Species Cochlostyla (Helicostyla) fuliginata E. von Martens, 1874 accepted as Pachysphaera fuliginata (E. von Martens, 1874)
- Species Cochlostyla (Helicostyla) gilberti Quadras & Möllendorff, 1896 accepted as Calocochlea gilberti (Quadras & Möllendorff, 1896)
- Species Cochlostyla (Helicostyla) helicoides (L. Pfeiffer, 1850) accepted as Cochlodryas florida (G. B. Sowerby I, 1841)
- Species Cochlostyla (Helicostyla) ignobilis (G. B. Sowerby I, 1841) accepted as Cochlodryas ignobilis (G. B. Sowerby I, 1841)
- Species Cochlostyla (Helicostyla) lacera (Reeve, 1854) accepted as Orthostylus lacerus (Reeve, 1854)
- Species Cochlostyla (Helicostyla) languida (L. Pfeiffer, 1843) accepted as Orthostylus languidus (L. Pfeiffer, 1843)
- Species Cochlostyla (Helicostyla) leucauchen Möllendorff, 1895 accepted as Calocochlea leucauchen (Möllendorff, 1895)
- Species Cochlostyla (Helicostyla) metaformis (A. Férussac, 1821) accepted as Orthostylus metaformis (A. Férussac, 1821)
- Species Cochlostyla (Helicostyla) mirabilis (A. Férussac, 1821) represented as Helicostyla mirabilis (A. Férussac, 1821)
- Species Cochlostyla (Helicostyla) montana C. Semper, 1877 accepted as Helicostyla montana (C. Semper, 1877)
- Species Cochlostyla (Helicostyla) papuensis Hedley, 1891 accepted as Papustyla papuensis (Hedley, 1891)
- Species Cochlostyla (Helicostyla) roebeleni Möllendorff, 1894 accepted as Calocochlea roebeleni (Möllendorff, 1894)
- Species Cochlostyla (Helicostyla) tenera (G. B. Sowerby I, 1841) accepted as Cochlodryas mateoi (Bartsch, 1932)
- Species Cochlostyla (Helicostyla) tethrodes (L. Pfeiffer, 1843) accepted as Helicostyla tephrodes (L. Pfeiffer, 1843)
- Species Cochlostyla (Helicostyla) turbo (L. Pfeiffer, 1845) accepted as Helicobulinus turbo (L. Pfeiffer, 1845)
- Species Cochlostyla (Helicostyla) woodiana (I. Lea, 1840) accepted as Helicostyla woodiana (I. Lea, 1840)
- Subgenus Cochlostyla (Hypoptychus) Pilsbry, 1893 accepted as Pachya Albers, 1850
- Subgenus Cochlostyla (Hypselostyla) L. Pfeiffer, 1868 accepted as Hypselostyla L. Pfeiffer, 1868
- Subgenus Cochlostyla (Hypselostylus) L. Pfeiffer, 1868 accepted as Cochlostyla (Hypselostyla) L. Pfeiffer, 1868
- Subgenus Cochlostyla (Leytia) Pilsbry, 1892 accepted as Leytia Pilsbry, 1892
- Subgenus Cochlostyla (Opalliostyla) Pilsbry, 1896 represented as Helicostyla A. Férussac, 1821
- Subgenus Cochlostyla (Orthostylus) H. Beck, 1837 accepted as Helicostyla A. Férussac, 1821
- Subgenus Cochlostyla (Orustia) Mörch, 1852 represented as Orustia Mörch, 1852
- Subgenus Cochlostyla (Pachysphaera) Pilsbry, 1892 accepted as Pachysphaera Pilsbry, 1892
- Subgenus Cochlostyla (Papustyla) Pilsbry, 1893 accepted as Papustyla Pilsbry, 1893
- Subgenus Cochlostyla (Pfeifferia) J. E. Gray, 1853 accepted as Pfeifferia J. E. Gray, 1853
- Subgenus Cochlostyla (Phengus) Albers, 1850 accepted as Phengus Albers, 1850
- Subgenus Cochlostyla (Prochilus) E. von Martens, 1860 accepted as Dolichostyla Pilsbry, 1896
- Subgenus Cochlostyla (Ptychostylus) Möllendorff, 1888 accepted as Pachya Albers, 1850
- Subgenus Cochlostyla (Rhymbocochlias) Möllendorff, 1895 accepted as Helicobulinus Broderip, 1841
- Subgenus Cochlostyla (Steatodryas) Pilsbry, 1932 accepted as Pachya Albers, 1850
- Subgenus Cochlostyla (Trachystyla) Pilsbry, 1892 accepted as Trachystyla Pilsbry, 1892
- Subgenus Cochlostyla (Xanthomelon) E. von Martens, 1860 accepted as Xanthomelon E. von Martens, 1860
- Species Cochlostyla accedens Möllendorff, 1894 accepted as Hypselostyla carinata accedens (Möllendorff, 1894)
- Species Cochlostyla acuminata (G. B. Sowerby I, 1841) accepted as Hypselostyla acuminata (G. B. Sowerby I, 1841)
- Species Cochlostyla adusta (G. B. Sowerby I, 1841) accepted as Phoenicobius adustus (G. B. Sowerby I, 1841)
- Species Cochlostyla aegle (Broderip, 1841) accepted as Helicostyla aegle (Broderip, 1841)
- Species Cochlostyla aegrota (Reeve, 1851) accepted as Chloraea aegrota (Reeve, 1851)
- Species Cochlostyla aeruginosa (Reeve, 1854) accepted as Chloraea aeruginosa (Reeve, 1854)
- Species Cochlostyla albaiensis (G. B. Sowerby I, 1841) accepted as Calocochlea albaiensis (G. B. Sowerby I, 1841)
- Species Cochlostyla alberti (Broderip, 1841) accepted as Helicostyla bicolorata (I. Lea, 1840)
- Species Cochlostyla albina (Grateloup, 1840) accepted as Helicostyla albina (Grateloup, 1840)
- Species Cochlostyla amaliae Möllendorff, 1890 accepted as Helicostyla amaliae (Möllendorff, 1890)
- Species Cochlostyla amicta (Reeve, 1851) accepted as Calocochlea amicta (Reeve, 1851)
- Species Cochlostyla andromache (L. Pfeiffer, 1861) accepted as Calocochlea polillensis (L. Pfeiffer, 1861)
- Species Cochlostyla annae (O. Semper, 1862) accepted as Calocochlea festiva (Donovan, 1825)
- Species Cochlostyla annulata (G. B. Sowerby I, 1841) accepted as Pachysphaera annulata (G. B. Sowerby I, 1841)
- Species Cochlostyla antoni C. Semper, 1877 accepted as Cochlostyla antonii C. Semper, 1877
- Species Cochlostyla antonii C. Semper, 1877 accepted as Chrysallis antonii (C. Semper, 1877)
- Species Cochlostyla aopta (Clench & Archer, 1933) accepted as Calocochlea aopta (Clench & Archer, 1933)
- Species Cochlostyla aplomorpha (Jonas, 1843) accepted as Helicostyla aplomorpha (Jonas, 1843)
- Species Cochlostyla arata (G. B. Sowerby I, 1841) accepted as Phoenicobius aratus (G. B. Sowerby I, 1841)
- Species Cochlostyla aspersa (Grateloup, 1840) accepted as Chrysallis aspersa (Grateloup, 1840)
- Species Cochlostyla augusta (Albers, 1854) accepted as Calocochlea augusta (Albers, 1854)
- Species Cochlostyla aurata (G. B. Sowerby I, 1841) accepted as Pfeifferia aurata (G. B. Sowerby I, 1841)
- Species Cochlostyla balanoides (Jonas, 1843)
- Species Cochlostyla balteata (G. B. Sowerby I, 1841) accepted as Pachysphaera balteata (G. B. Sowerby I, 1841)
- Species Cochlostyla barandae Hidalgo, 1887 accepted as Helicostyla aegle (Broderip, 1841)
- Species Cochlostyla batanica (Reeve, 1851) accepted as Helicostyla speciosa (J. C. Jay, 1836)
- Species Cochlostyla belcheri (L. Pfeiffer, 1853) accepted as Helicostyla belcheri (L. Pfeiffer, 1853)
- Species Cochlostyla beloni (Jousseaume, 1894) accepted as Pachysphaera fuliginata (E. von Martens, 1874)
- Species Cochlostyla bembicodes (L. Pfeiffer, 1851) accepted as Helicobulinus bembicodes (L. Pfeiffer, 1851)
- Species Cochlostyla bicolorata (I. Lea, 1840) accepted as Helicostyla bicolorata (I. Lea, 1840)
- Species Cochlostyla boettgeriana Möllendorff, 1888 accepted as Helicostyla boettgeriana (Möllendorff, 1888)
- Species Cochlostyla boholensis (Broderip, 1841) accepted as Hypselostyla boholensis (Broderip, 1841)
- Species Cochlostyla brachyodon (G. B. Sowerby I, 1841) accepted as Phoenicobius brachyodon (G. B. Sowerby I, 1841)
- Species Cochlostyla brevicula (L. Pfeiffer, 1842)
- Species Cochlostyla broderipi [sic] accepted as Chloraea broderipii (L. Pfeiffer, 1842)
- Species Cochlostyla bruguieriana (L. Pfeiffer, 1845) accepted as Anixa bruguieriana (L. Pfeiffer, 1845)
- Species Cochlostyla brunnea (G. B. Sowerby I, 1841) accepted as Calocochlea melanocheila (Grateloup, 1840)
- Species Cochlostyla bullula (Broderip, 1841) accepted as Helicostyla bullula (Broderip, 1841)
- Species Cochlostyla buschi (L. Pfeiffer, 1846) accepted as Helicostyla buschi (L. Pfeiffer, 1846)
- Species Cochlostyla bustoi Hidalgo, 1887 accepted as Helicostyla bustoi (Hidalgo, 1887)
- Species Cochlostyla butleri (L. Pfeiffer, 1842) accepted as Orthostylus butleri (L. Pfeiffer, 1842)
- Species Cochlostyla caesar (L. Pfeiffer, 1855) accepted as Helicostyla caesar (L. Pfeiffer, 1855)
- Species Cochlostyla cailliaudi (Deshayes, 1839) accepted as Calocochlea cailliaudi (Deshayes, 1839)
- Species Cochlostyla calamianica Quadras & Möllendorff, 1894 accepted as Dolichostyla calamianica (Quadras & Möllendorff, 1894)
- Species Cochlostyla calista (Broderip, 1841) accepted as Hypselostyla calista (Broderip, 1841)
- Species Cochlostyla calobapta (Jonas, 1843) accepted as Dolichostyla calobapta (Jonas, 1843)
- Species Cochlostyla calusaensis Bartsch, 1913 accepted as Helicostyla calusaensis (Bartsch, 1913)
- Species Cochlostyla calypso (Broderip, 1841) accepted as Hypselostyla calypso (Broderip, 1841)
- Species Cochlostyla camelopardalis (Broderip, 1841) accepted as Hypselostyla camelopardalis (Broderip, 1841)
- Species Cochlostyla canonizadoi Bartsch, 1932 accepted as Helicostyla canonizadoi (Bartsch, 1932)
- Species Cochlostyla carinata (I. Lea, 1840) accepted as Hypselostyla carinata (I. Lea, 1840)
- Species Cochlostyla carneola (Grateloup, 1840) accepted as Hypselostyla carneola (Grateloup, 1840)
- Species Cochlostyla carolus (Deshayes, 1861) accepted as Helicobulinus carolus (Deshayes, 1861)
- Species Cochlostyla casta (L. Pfeiffer, 1849) accepted as Chloraea casta (L. Pfeiffer, 1849)
- Species Cochlostyla cepoides (I. Lea, 1840) accepted as Pachya cepoides (I. Lea, 1840)
- Species Cochlostyla chionodes Möllendorff, 1896 accepted as Calocochlea valenciennii chionodes (Möllendorff, 1896)
- Species Cochlostyla chlorochroa (G. B. Sowerby I, 1841) accepted as Calocochlea chlorochroa (G. B. Sowerby I, 1841)
- Species Cochlostyla chloroleuca E. von Martens, 1868 accepted as Helicostyla bullula (Broderip, 1841)
- Species Cochlostyla chocolatina (Poppe, Tagaro & Sarino, 2015) accepted as Helicostyla chocolatina (Poppe, Tagaro & Sarino, 2015)
- Species Cochlostyla chrysacme Quadras & Möllendorff, 1893 accepted as Calocochlea pulcherrima (G. B. Sowerby I, 1841)
- Species Cochlostyla chrysalidiformis (G. B. Sowerby I, 1833) accepted as Chrysallis chrysalidiformis (G. B. Sowerby I, 1833)
- Species Cochlostyla chrysocheila (G. B. Sowerby I, 1841) accepted as Calocochlea chrysocheila (G. B. Sowerby I, 1841)
- Species Cochlostyla cincinna (G. B. Sowerby I, 1841) accepted as Hypselostyla cincinna (G. B. Sowerby I, 1841)
- Species Cochlostyla cincinniformis (G. B. Sowerby I, 1841) accepted as Hypselostyla cincinniformis (G. B. Sowerby I, 1841)
- Species Cochlostyla cineracea C. Semper, 1877 accepted as Trachystyla cryptica cineracea (C. Semper, 1877)
- Species Cochlostyla cinerascens (L. Pfeiffer, 1845) accepted as Helicobulinus cinerascens (L. Pfeiffer, 1845)
- Species Cochlostyla cinerosa (L. Pfeiffer, 1855) accepted as Helicostyla cinerosa (L. Pfeiffer, 1855)
- Species Cochlostyla circe (Reeve, 1853) accepted as Calocochlea zonifera circe (Reeve, 1853)
- Species Cochlostyla coccomelon (G. B. Sowerby I, 1841) accepted as Calocochlea coccomelos (G. B. Sowerby I, 1841)
- Species Cochlostyla coccomelos (G. B. Sowerby I, 1841) accepted as Calocochlea coccomelos (G. B. Sowerby I, 1841)
- Species Cochlostyla codonensis Hidalgo, 1888 accepted as Calocochlea codonensis (Hidalgo, 1888)
- Species Cochlostyla collodes (G. B. Sowerby I, 1841) accepted as Helicostyla collodes (G. B. Sowerby I, 1841)
- Species Cochlostyla colossea (L. Pfeiffer, 1852) accepted as Helicobulinus grandis (L. Pfeiffer, 1845)
- Species Cochlostyla concinna (G. B. Sowerby I, 1841) accepted as Hypselostyla concinna (G. B. Sowerby I, 1841)
- Species Cochlostyla connectens Möllendorff, 1893 accepted as Hypselostyla connectens (Möllendorff, 1893)
- Species Cochlostyla coronadoi (Hidalgo, 1868) accepted as Calocochlea coronadoi (Hidalgo, 1868)
- Species Cochlostyla corticolor Möllendorff, 1911 accepted as Helicostyla corticolor (Möllendorff, 1911)
- Species Cochlostyla cossmanniana Crosse, 1886 accepted as Helicostyla cossmanniana (Crosse, 1886)
- Species Cochlostyla costerii (Eydoux, 1838) accepted as Cochlostyla luzonica (G. B. Sowerby I, 1833)
- Species Cochlostyla cretata (Broderip, 1841) accepted as Trachystyla cryptica cretata (Broderip, 1841)
- Species Cochlostyla cromyodes (L. Pfeiffer, 1843) accepted as Calocochlea valenciennii (Eydoux, 1838)
- Species Cochlostyla crossei Hidalgo, 1887 accepted as Calocochlea crossei (Hidalgo, 1887)
- Species Cochlostyla cryptica (Broderip, 1841) accepted as Trachystyla cryptica (Broderip, 1841)
- Species Cochlostyla cumingii (L. Pfeiffer, 1842) accepted as Helicostyla cumingii (L. Pfeiffer, 1842)
- Species Cochlostyla cunctator (Reeve, 1849) accepted as Helicostyla cunctator (Reeve, 1849)
- Species Cochlostyla curta (G. B. Sowerby I, 1841) accepted as Helicostyla curta (G. B. Sowerby I, 1841)
- Species Cochlostyla cuyoensis (L. Pfeiffer, 1843) accepted as Dolichostyla cuyoensis (L. Pfeiffer, 1843)
- Species Cochlostyla dactylus (Broderip, 1841) accepted as Hypselostyla dactylus (Broderip, 1841)
- Species Cochlostyla damahoyi (L. Pfeiffer, 1857) accepted as Calocochlea damahoyi (L. Pfeiffer, 1857)
- Species Cochlostyla daphnis (Broderip, 1841) accepted as Helicostyla daphnis (Broderip, 1841)
- Species Cochlostyla dataensis [sic] accepted as Calocochlea dattaensis (O. Semper, 1866)
- Species Cochlostyla dattaensis O. Semper, 1866 accepted as Calocochlea dattaensis (O. Semper, 1866)
- Species Cochlostyla dautzenbergi Hidalgo, 1901 accepted as Calocochlea dautzenbergi (Hidalgo, 1901)
- Species Cochlostyla dealbata (Broderip, 1841) accepted as Chloraea broderipii (L. Pfeiffer, 1842)
- Species Cochlostyla decipiens (G. B. Sowerby I, 1841) accepted as Calocochlea decipiens (G. B. Sowerby I, 1841)
- Species Cochlostyla decora (A. Adams & Reeve, 1850) accepted as Cochlodryas decora (A. Adams & Reeve, 1850)
- Species Cochlostyla decorata (A. Férussac, 1821) accepted as Helicostyla decorata (A. Férussac, 1821)
- Species Cochlostyla delicata Fulton, 1903 accepted as Helicostyla delicata (Fulton, 1903)
- Species Cochlostyla denticulata (J. C. Jay, 1839) accepted as Calocochlea denticulata (J. C. Jay, 1839)
- Species Cochlostyla depressa C. Semper, 1877 accepted as Cochlostyla lignaria (L. Pfeiffer, 1847)
- Species Cochlostyla diana (Broderip, 1841) accepted as Hypselostyla diana (Broderip, 1841)
- Species Cochlostyla difficilis (Reeve, 1854) accepted as Chloraea difficilis (Reeve, 1854)
- Species Cochlostyla dilatata (L. Pfeiffer, 1846) accepted as Orustia dilatata (L. Pfeiffer, 1846)
- Species Cochlostyla dimera (Jonas, 1846) accepted as Helicostyla dimera (Jonas, 1846)
- Species Cochlostyla dionaea (Deshayes, 1850) accepted as Trachystyla cryptica dionaea (Deshayes, 1850)
- Species Cochlostyla dolium (Hartmann, 1843) accepted as Pachya cepoides (I. Lea, 1840)
- Species Cochlostyla domingoi Bartsch, 1919 accepted as Helicostyla domingoi (Bartsch, 1919)
- Species Cochlostyla dryas (Broderip, 1841) accepted as Dolichostyla virgata dryas (Broderip, 1841)
- Species Cochlostyla dubiosa (L. Pfeiffer, 1846) accepted as Helicostyla dubiosa (L. Pfeiffer, 1846)
- Species Cochlostyla dumonti (L. Pfeiffer, 1846) accepted as Phengus dumonti (L. Pfeiffer, 1846)
- Species Cochlostyla eburnea (Reeve, 1848) accepted as Hypselostyla polita (Reeve, 1848)
- Species Cochlostyla effusa (L. Pfeiffer, 1843) accepted as Helicostyla effusa (L. Pfeiffer, 1843)
- Species Cochlostyla electrica (Reeve, 1848) accepted as Chrysallis electrica (Reeve, 1848)
- Species Cochlostyla elegans C. Semper, 1877 accepted as Hypselostyla elegans (C. Semper, 1877)
- Species Cochlostyla elerae Möllendorff, 1896 accepted as Calocochlea melanorhaphe (Quadras & Möllendorff, 1896)
- Species Cochlostyla erubescens C. Semper, 1877 accepted as Pfeifferia erubescens (C. Semper, 1877)
- Species Cochlostyla erythrospira Möllendorff, 1890 accepted as Calocochlea luzonica erythrospira (Möllendorff, 1890)
- Species Cochlostyla euryzona (L. Pfeiffer, 1847) accepted as Canistrum ovoideum sensu Lamarck, 1815
- Species Cochlostyla evanescens (Broderip, 1841) accepted as Hypselostyla evanescens (Broderip, 1841)
- Species Cochlostyla eydouxi (Hidalgo, 1887) accepted as Chloraea eydouxi (Hidalgo, 1887)
- Species Cochlostyla faunus (Broderip, 1841) accepted as Helicostyla faunus (Broderip, 1841)
- Species Cochlostyla fenestrata (G. B. Sowerby I, 1841) accepted as Pachysphaera fenestrata (G. B. Sowerby I, 1841)
- Species Cochlostyla ferruginea (I. Lea, 1840) accepted as Calocochlea cailliaudi (Deshayes, 1839)
- Species Cochlostyla festiva (Donovan, 1825) accepted as Calocochlea festiva (Donovan, 1825)
- Species Cochlostyla fictilis (Broderip, 1841) accepted as Dolichostyla fictilis (Broderip, 1841)
- Species Cochlostyla filaris (L. Pfeiffer, 1845) accepted as Chloraea filaris (L. Pfeiffer, 1845)
- Species Cochlostyla finschi E. von Martens, 1894 accepted as Papustyla hindei (J. C. Cox, 1886)
- Species Cochlostyla fischeri Hidalgo, 1890 accepted as Dolichostyla fischeri (Hidalgo, 1890)
- Species Cochlostyla flammula C. Semper, 1877 accepted as Hypselostyla flammula (C. Semper, 1877)
- Species Cochlostyla florida (G. B. Sowerby I, 1841) accepted as Cochlodryas florida (G. B. Sowerby I, 1841)
- Species Cochlostyla fragilis (G. B. Sowerby I, 1841) accepted as Leytia fragilis (G. B. Sowerby I, 1841)
- Species Cochlostyla frater (A. Férussac, 1821) accepted as Helicostyla frater (A. Férussac, 1821)
- Species Cochlostyla fulgens (G. B. Sowerby I, 1841) accepted as Helicostyla fulgens (G. B. Sowerby I, 1841)
- Species Cochlostyla fulgetra (Broderip, 1841) accepted as Helicostyla fulgetra (Broderip, 1841)
- Species Cochlostyla fuliginata E. von Martens, 1874 accepted as Orustia fuliginata (E. von Martens, 1874)
- Species Cochlostyla fumigata "E. von Martens" C. Semper, 1877 accepted as Pachysphaera fuliginata (E. von Martens, 1874)
- Species Cochlostyla garibaldiana Dohrn & C. Semper, 1862 accepted as Anixa garibaldiana (Dohrn & C. Semper, 1862)
- Species Cochlostyla generalis (L. Pfeiffer, 1855) accepted as Calocochlea generalis (L. Pfeiffer, 1855)
- Species Cochlostyla gertrudis Möllendorff, Kobelt & Winter, 1912 accepted as Calocochlea gertrudis (Möllendorff, Kobelt & Winter, 1912)
- Species Cochlostyla gigas Hidalgo, 1901 accepted as Helicostyla gigas (Hidalgo, 1901)
- Species Cochlostyla gilberti Quadras & Möllendorff, 1896 accepted as Calocochlea gilberti (Quadras & Möllendorff, 1896)
- Species Cochlostyla gilva (L. Pfeiffer, 1845) accepted as Helicostyla gilva (L. Pfeiffer, 1845)
- Species Cochlostyla glaucophtalma (L. Pfeiffer, 1853) accepted as Helicostyla glaucophthalma (L. Pfeiffer, 1853)
- Species Cochlostyla glaucophthalma (L. Pfeiffer, 1853) accepted as Helicostyla glaucophthalma (L. Pfeiffer, 1853)
- Species Cochlostyla globosula Möllendorff, 1894 accepted as Chloraea globosula (Möllendorff, 1894)
- Species Cochlostyla gloynei G. B. Sowerby III, 1889 accepted as Anixa gloynei (G. B. Sowerby III, 1889)
- Species Cochlostyla gmeliniana (L. Pfeiffer, 1845) accepted as Chloraea gmeliniana (L. Pfeiffer, 1845)
- Species Cochlostyla gracilis (I. Lea, 1840) accepted as Hypselostyla cincinna (G. B. Sowerby I, 1841)
- Species Cochlostyla graellsi Hidalgo, 1886 accepted as Helicostyla palavanensis graellsi (Hidalgo, 1886)
- Species Cochlostyla grandis (L. Pfeiffer, 1845) accepted as Helicobulinus grandis (L. Pfeiffer, 1845)
- Species Cochlostyla groulti (Jousseaume, 1894) accepted as Hypselostyla groulti (Jousseaume, 1894)
- Species Cochlostyla guimarasensis (Broderip, 1841) accepted as Helicostyla ventricosa guimarasensis (Broderip, 1841)
- Species Cochlostyla hainesi (L. Pfeiffer, 1855) accepted as Hypselostyla hainesi (L. Pfeiffer, 1855)
- Species Cochlostyla halichlora O. Semper, 1866 accepted as Helicostyla halichlora (O. Semper, 1866)
- Species Cochlostyla harfordii (Broderip, 1841) accepted as Calocochlea harfordii (Broderip, 1841)
- Species Cochlostyla hector (L. Pfeiffer, 1861) accepted as Cochlostyla polillensis (L. Pfeiffer, 1861)
- Species Cochlostyla heermanni Möllendorff, 1898 accepted as Anixa heermanni (Möllendorff, 1898)
- Species Cochlostyla helicoides (L. Pfeiffer, 1850) accepted as Cochlodryas florida (G. B. Sowerby I, 1841)
- Species Cochlostyla hemisphaerion (L. Pfeiffer, 1851) accepted as Calocochlea hemisphaerion (L. Pfeiffer, 1851)
- Species Cochlostyla hidalgoi Möllendorff, 1894 accepted as Calocochlea hidalgoi (Möllendorff, 1894)
- Species Cochlostyla hindei J. C. Cox, 1886 accepted as Papustyla hindei (J. C. Cox, 1886)
- Species Cochlostyla hindsi (L. Pfeiffer, 1846) accepted as Helicostyla modesta (G. B. Sowerby I, 1841)
- Species Cochlostyla hololeuca (L. Pfeiffer, 1855) accepted as Helicostyla hololeuca (L. Pfeiffer, 1855)
- Species Cochlostyla hügeli (L. Pfeiffer, 1846) accepted as Chloraea bifasciata huegeli (L. Pfeiffer, 1846)
- Species Cochlostyla hydrophana (G. B. Sowerby I, 1841) accepted as Orthostylus metaformis (A. Férussac, 1821)
- Species Cochlostyla ignobilis (G. B. Sowerby I, 1841) accepted as Cochlodryas ignobilis (G. B. Sowerby I, 1841)
- Species Cochlostyla iloconensis (G. B. Sowerby I, 1841) accepted as Pachysphaera iloconensis (G. B. Sowerby I, 1841)
- Species Cochlostyla imperator (L. Pfeiffer, 1849) accepted as Helicostyla imperator (L. Pfeiffer, 1849)
- Species Cochlostyla incompta (G. B. Sowerby I, 1841) accepted as Hypselostyla incompta (G. B. Sowerby I, 1841)
- Species Cochlostyla indusiata (L. Pfeiffer, 1871) accepted as Helicostyla indusiata (L. Pfeiffer, 1871)
- Species Cochlostyla infuscata (Albers, 1854) accepted as Calocochlea infuscata (Albers, 1854)
- Species Cochlostyla intercedens Möllendorff, 1895 accepted as Helicostyla intercedens (Möllendorff, 1895)
- Species Cochlostyla intermedia Quadras & Möllendorff, 1896 accepted as Helicostyla intermedia (Quadras & Möllendorff, 1896)
- Species Cochlostyla intincta Shuttleworth, 1852 accepted as Chloraea sphaerion (G. B. Sowerby I, 1841)
- Species Cochlostyla intorta (G. B. Sowerby I, 1841) accepted as Chloraea intorta (G. B. Sowerby I, 1841)
- Species Cochlostyla irosinensis (Hidalgo, 1887) accepted as Chloraea irosinensis (Hidalgo, 1887)
- Species Cochlostyla jonasi (L. Pfeiffer, 1846) accepted as Helicostyla jonasi (L. Pfeiffer, 1846)
- Species Cochlostyla juglans (L. Pfeiffer, 1842) accepted as Helicostyla juglans (L. Pfeiffer, 1842)
- Species Cochlostyla kobelti Möllendorff, 1890 accepted as Anixa kobelti (Möllendorff, 1890)
- Species Cochlostyla labiozonalis (Grateloup, 1840) accepted as Hypselostyla cincinna (G. B. Sowerby I, 1841)
- Species Cochlostyla labrella (Grateloup, 1840) accepted as Dolichostyla porracea (J. C. Jay, 1839)
- Species Cochlostyla labropurpurea (Grateloup, 1840) accepted as Hypselostyla calista (Broderip, 1841)
- Species Cochlostyla lacera (Reeve, 1854) accepted as Orthostylus lacerus (Reeve, 1854)
- Species Cochlostyla lacerata C. Semper, 1877
- Species Cochlostyla lalloensis (L. Pfeiffer, 1855) accepted as Calocochlea lalloensis (L. Pfeiffer, 1855)
- Species Cochlostyla lamellicostis Möllendorff, 1895 accepted as Helicobulinus lamellicostis (Möllendorff, 1895)
- Species Cochlostyla languida (L. Pfeiffer, 1843) accepted as Orthostylus languidus (L. Pfeiffer, 1843)
- Species Cochlostyla larvata (Broderip, 1841) accepted as Dolichostyla fictilis (Broderip, 1841)
- Species Cochlostyla latitans (Broderip, 1841) accepted as Trachystyla cryptica latitans (Broderip, 1841)
- Species Cochlostyla leai (L. Pfeiffer, 1846) accepted as Helicostyla leai (L. Pfeiffer, 1846)
- Species Cochlostyla leopardus (L. Pfeiffer, 1845) accepted as Helicostyla leopardus (L. Pfeiffer, 1845)
- Species Cochlostyla leucauchen Möllendorff, 1895 accepted as Calocochlea leucauchen (Möllendorff, 1895)
- Species Cochlostyla leucophaea (G. B. Sowerby I, 1841) accepted as Helicostyla leucophaea (G. B. Sowerby I, 1841)
- Species Cochlostyla leytensis (L. Pfeiffer, 1846) accepted as Leytia leytensis (L. Pfeiffer, 1846)
- Species Cochlostyla libata (Reeve, 1851) accepted as Calocochlea libata (Reeve, 1851)
- Species Cochlostyla librosa (L. Pfeiffer, 1857) accepted as Helicostyla librosa (L. Pfeiffer, 1857)
- Species Cochlostyla lichenifer (Mörch, 1850) accepted as Chrysallis electrica (Reeve, 1848)
- Species Cochlostyla lignaria (L. Pfeiffer, 1842) accepted as Helicostyla lignaria (L. Pfeiffer, 1842)
- Species Cochlostyla lignaria (L. Pfeiffer, 1847) accepted as Calocochlea lignaria (L. Pfeiffer, 1847)
- Species Cochlostyla lignicolor Möllendorff, 1888 accepted as Calocochlea lignicolor (Möllendorff, 1888)
- Species Cochlostyla lillianae Bartsch, 1932 accepted as Calocochlea lillianae (Bartsch, 1932)
- Species Cochlostyla limansauensis C. Semper, 1877 accepted as Chloraea limansauensis (C. Semper, 1877)
- Species Cochlostyla lividocincta C. Semper, 1877 accepted as Pfeifferia lividocincta (C. Semper, 1877)
- Species Cochlostyla loheri Möllendorff, 1894 accepted as Chloraea loheri (Möllendorff, 1894)
- Species Cochlostyla lubanica L. Pfeiffer, 1846 accepted as Phoenicobius oblongus (G. B. Sowerby I, 1841)
- Species Cochlostyla luengoi Hidalgo, 1888 accepted as Calocochlea luengoi (Hidalgo, 1888)
- Species Cochlostyla luzonica (Reeve, 1842) accepted as Calocochlea pulcherrima (G. B. Sowerby I, 1841)
- Species Cochlostyla luzonica (G. B. Sowerby I, 1833)
- Species Cochlostyla macrostoma (L. Pfeiffer, 1843) accepted as Helicostyla macrostoma (L. Pfeiffer, 1843)
- Species Cochlostyla magtanensis C. Semper, 1877 accepted as Chloraea magtanensis (C. Semper, 1877)
- Species Cochlostyla mainitensis Hidalgo, 1888 accepted as Cochlostyla lignicolor Möllendorff, 1888
- Species Cochlostyla marinduquensis Hidalgo, 1887 accepted as Helicostyla marinduquensis (Hidalgo, 1887)
- Species Cochlostyla martensi Möllendorff, 1898 accepted as Helicostyla martensi (Möllendorff, 1898)
- Species Cochlostyla matruelis (G. B. Sowerby I, 1841) accepted as Calocochlea matruelis (G. B. Sowerby I, 1841)
- Species Cochlostyla melanocheila (Grateloup, 1840) accepted as Calocochlea melanocheila (Grateloup, 1840)
- Species Cochlostyla melanochila Möllendorff, 1898 accepted as Calocochlea melanocheila (Grateloup, 1840)
- Species Cochlostyla melanogaster (Mörch, 1852) accepted as Chrysallis mindoroensis (Broderip, 1841)
- Species Cochlostyla melanorhaphe Quadras & Möllendorff, 1896 accepted as Calocochlea melanorhaphe (Quadras & Möllendorff, 1896)
- Species Cochlostyla metaformis (A. Férussac, 1821) accepted as Orthostylus metaformis (A. Férussac, 1821)
- Species Cochlostyla metallorum Möllendorff, 1898 accepted as Calocochlea metallora (Möllendorff, 1898)
- Species Cochlostyla microspira (Reeve, 1854) accepted as Calocochlea microspira (Reeve, 1854)
- Species Cochlostyla mindana (Reeve, 1842) accepted as Calocochlea mindanaensis (L. Pfeiffer, 1842)
- Species Cochlostyla mindanaensis (L. Pfeiffer, 1842) accepted as Calocochlea mindanaensis (L. Pfeiffer, 1842)
- Species Cochlostyla mindorana (Hartmann, 1829) accepted as Calocochlea mindanaensis (L. Pfeiffer, 1842)
- Species Cochlostyla mindoroensis (Broderip, 1841) accepted as Chrysallis mindoroensis (Broderip, 1841)
- Species Cochlostyla mirabilis (A. Férussac, 1821) accepted as Helicostyla mirabilis (A. Férussac, 1821)
- Species Cochlostyla modesta (G. B. Sowerby I, 1841) accepted as Helicostyla modesta (G. B. Sowerby I, 1841)
- Species Cochlostyla moellendorffi Hidalgo, 1887 accepted as Hypselostyla moellendorffi (Hidalgo, 1887)
- Species Cochlostyla monozona (L. Pfeiffer, 1849) accepted as Helicostyla rufogaster monozona (L. Pfeiffer, 1849)
- Species Cochlostyla montana C. Semper, 1877 accepted as Helicostyla montana (C. Semper, 1877)
- Species Cochlostyla montfortiana (L. Pfeiffer, 1846) accepted as Anixa montfortiana (L. Pfeiffer, 1846)
- Species Cochlostyla monticula (G. B. Sowerby I, 1841) accepted as Orustia monticula (G. B. Sowerby I, 1841)
- Species Cochlostyla moreleti (L. Pfeiffer, 1849) accepted as Anixa moreleti (L. Pfeiffer, 1849)
- Species Cochlostyla mus (Delessert, 1841) accepted as Helicostyla mus (Delessert, 1841)
- Species Cochlostyla naujanica Hidalgo, 1887 accepted as Phoenicobius naujanica (Hidalgo, 1887)
- Species Cochlostyla nebulosa (L. Pfeiffer, 1841) accepted as Hypselostyla pyramidalis (G. B. Sowerby I, 1841)
- Species Cochlostyla nigrocincta C. Semper, 1877 accepted as Dolichostyla partuloides (Broderip, 1841)
- Species Cochlostyla nimbosa (Broderip, 1841) accepted as Hypselostyla nimbosa (Broderip, 1841)
- Species Cochlostyla nobilis (Reeve, 1848) accepted as Helicostyla nobilis (Reeve, 1848)
- Species Cochlostyla norrisii (L. Pfeiffer, 1842) accepted as Calocochlea norrisii (L. Pfeiffer, 1842)
- Species Cochlostyla nux C. Semper, 1877 accepted as Helicostyla nux (C. Semper, 1877)
- Species Cochlostyla nympha (L. Pfeiffer, 1842) accepted as Hypselostyla nympha (L. Pfeiffer, 1842)
- Species Cochlostyla oblonga (G. B. Sowerby I, 1841) accepted as Phoenicobius oblongus (G. B. Sowerby I, 1841)
- Species Cochlostyla obtusa (L. Pfeiffer, 1845) accepted as Calocochlea obtusa (L. Pfeiffer, 1845)
- Species Cochlostyla okadai (Kuroda, 1932) accepted as Helicostyla okadai Kuroda, 1932
- Species Cochlostyla olanivanensis Bartsch, 1913 accepted as Helicostyla olanivanensis (Bartsch, 1913)
- Species Cochlostyla olivacea Möllendorff, 1888 accepted as Cochlostyla juglans olivacea Möllendorff, 1888
- Species Cochlostyla onyx (Broderip, 1841) accepted as Helicostyla bicolorata (I. Lea, 1840)
- Species Cochlostyla oomorpha (G. B. Sowerby I, 1841) accepted as Phoenicobius oomorphus (G. B. Sowerby I, 1841)
- Species Cochlostyla opalina (G. B. Sowerby I, 1841) accepted as Phengus opalinus (G. B. Sowerby I, 1841)
- Species Cochlostyla orbitula (G. B. Sowerby I, 1841) accepted as Cochlodryas orbitula (G. B. Sowerby I, 1841)
- Species Cochlostyla oviformis C. Semper, 1877 accepted as Helicostyla oviformis (C. Semper, 1877)
- Species Cochlostyla ovoidea (Bruguière, 1789) accepted as Edentulina ovoidea (Bruguière, 1789)
- Species Cochlostyla ovularis (Menke, 1828) accepted as Orthostylus metaformis (A. Férussac, 1821)
- Species Cochlostyla palavanensis (L. Pfeiffer, 1857) accepted as Helicostyla palavanensis (L. Pfeiffer, 1857)
- Species Cochlostyla pan (Broderip, 1841) accepted as Calocochlea pan (Broderip, 1841)
- Species Cochlostyla pan (L. Pfeiffer, 1861) accepted as Dolichostyla partuloides (Broderip, 1841)
- Species Cochlostyla panaensis C. Semper, 1877 accepted as Trachystyla cryptica panaensis (C. Semper, 1877)
- Species Cochlostyla papuensis Hedley, 1891 accepted as Papustyla papuensis (Hedley, 1891)
- Species Cochlostyla paradoxa C. Semper, 1877 accepted as Helicostyla paradoxa (C. Semper, 1877)
- Species Cochlostyla paradoxa (L. Pfeiffer, 1844) accepted as Chloraea paradoxa (L. Pfeiffer, 1844)
- Species Cochlostyla paraleuca Pilsbry, 1892 accepted as Calocochlea zonifera paraleuca (Pilsbry, 1892)
- Species Cochlostyla partuloides (Broderip, 1841) accepted as Dolichostyla partuloides (Broderip, 1841)
- Species Cochlostyla peraffinis Pilsbry, 1891 accepted as Calocochlea polillensis (L. Pfeiffer, 1861)
- Species Cochlostyla perdita (Reeve, 1851) accepted as Helicostyla buschi (L. Pfeiffer, 1846)
- Species Cochlostyla perpallida Bartsch, 1932 accepted as Calocochlea perpallida (Bartsch, 1932)
- Species Cochlostyla persimilis (Deshayes, 1850) accepted as Helicostyla persimilis (Deshayes, 1850)
- Species Cochlostyla pfeifferi C. Semper, 1877 accepted as Anixa cumingii (L. Pfeiffer, 1842)
- Species Cochlostyla phaeostyla (L. Pfeiffer, 1857) accepted as Helicostyla phaeostyla (L. Pfeiffer, 1857)
- Species Cochlostyla philippinensis (L. Pfeiffer, 1846) accepted as Helicostyla philippinensis (L. Pfeiffer, 1846)
- Species Cochlostyla pictor (Broderip, 1841) accepted as Helicostyla pictor (Broderip, 1841)
- Species Cochlostyla pilsbryi Hidalgo, 1896 accepted as Helicostyla pilsbryi (Hidalgo, 1896)
- Species Cochlostyla pithogaster (A. Férussac, 1821) accepted as Helicostyla pithogaster (A. Férussac, 1821)
- Species Cochlostyla pithogastra (A. Férussac, 1821) accepted as Helicostyla pithogaster (A. Férussac, 1821)
- Species Cochlostyla plurizonata (A. Adams & Reeve, 1850) accepted as Canefriula plurizonata (A. Adams & Reeve, 1850)
- Species Cochlostyla polillensis (L. Pfeiffer, 1861) accepted as Calocochlea polillensis (L. Pfeiffer, 1861)
- Species Cochlostyla polita (Reeve, 1848) accepted as Hypselostyla polita (Reeve, 1848)
- Species Cochlostyla polychroa (G. B. Sowerby I, 1841) accepted as Cochlodryas viridostriata (I. Lea, 1840)
- Species Cochlostyla polymorpha Tapparone Canefri, 1874 accepted as Amphidromus comes (L. Pfeiffer, 1861)
- Species Cochlostyla ponderosa (L. Pfeiffer, 1845) accepted as Calocochlea ponderosa (L. Pfeiffer, 1845)
- Species Cochlostyla porracea (J. C. Jay, 1839) accepted as Dolichostyla porracea (J. C. Jay, 1839)
- Species Cochlostyla portei (L. Pfeiffer, 1861) accepted as Helicostyla portei (L. Pfeiffer, 1861)
- Species Cochlostyla portii (L. Pfeiffer, 1861) accepted as Helicostyla portei (L. Pfeiffer, 1861)
- Species Cochlostyla princeps (Reeve, 1854) accepted as Calocochlea princeps (Reeve, 1854)
- Species Cochlostyla pubicepa E. von Martens, 1864
- Species Cochlostyla pudibunda C. Semper, 1877 accepted as Pfeifferia pudibunda (C. Semper, 1877)
- Species Cochlostyla puella (Broderip, 1841) accepted as Chloraea puella (Broderip, 1841)
- Species Cochlostyla pulchella Möllendorff, 1893 accepted as Orustia pulchella (Möllendorff, 1893)
- Species Cochlostyla pulcherrima (G. B. Sowerby I, 1841) accepted as Calocochlea pulcherrima (G. B. Sowerby I, 1841)
- Species Cochlostyla pyramidalis (G. B. Sowerby I, 1841) accepted as Hypselostyla pyramidalis (G. B. Sowerby I, 1841)
- Species Cochlostyla quadrasi Hidalgo, 1886 accepted as Helicostyla quadrasi (Hidalgo, 1886)
- Species Cochlostyla quadrifasciata Hidalgo, 1896
- Species Cochlostyla reevii (Broderip, 1841) accepted as Helicostyla woodiana (I. Lea, 1840)
- Species Cochlostyla reginae (Broderip, 1841) accepted as Chloraea reginae (Broderip, 1841)
- Species Cochlostyla rehbeini (Reeve, 1852) accepted as Orthostylus rehbeini (Reeve, 1852)
- Species Cochlostyla retusa (L. Pfeiffer, 1846) accepted as Calocochlea retusa (L. Pfeiffer, 1846)
- Species Cochlostyla roebeleni Möllendorff, 1894 accepted as Calocochlea roebeleni (Möllendorff, 1894)
- Species Cochlostyla roissyana (A. Férussac, 1822) accepted as Calocochlea roissyana (A. Férussac, 1822)
- Species Cochlostyla rollei Möllendorff, 1898 accepted as Chrysallis rollei (Möllendorff, 1898)
- Species Cochlostyla romblonensis (L. Pfeiffer, 1843) accepted as Hypselostyla romblonensis (L. Pfeiffer, 1843)
- Species Cochlostyla roseolabiata Möllendorff, 1888 accepted as Cochlostyla juglans roseolabiata Möllendorff, 1888
- Species Cochlostyla rufogaster (R. P. Lesson, 1832) accepted as Helicostyla rufogaster (R. P. Lesson, 1832)
- Species Cochlostyla rufogastra (R. P. Lesson, 1832) accepted as Helicostyla rufogaster (R. P. Lesson, 1832)
- Species Cochlostyla rugata Hidalgo, 1890 accepted as Hypselostyla carinata rugata (Hidalgo, 1890)
- Species Cochlostyla rustica (Mousson, 1849) accepted as Orthostylus metaformis rusticus (Mousson, 1849)
- Species Cochlostyla samarensis C. Semper, 1877 accepted as Calocochlea zonifera samarensis (C. Semper, 1877)
- Species Cochlostyla samarensis Hidalgo, 1887 accepted as Calocochlea hidalgoi (Möllendorff, 1894)
- Species Cochlostyla samboanga (Hombron & Jacquinot, 1847) accepted as Chloraea samboanga (Hombron & Jacquinot, 1847)
- Species Cochlostyla saranganica Möllendorff, 1890 accepted as Cochlostyla indusiata (L. Pfeiffer, 1871)
- Species Cochlostyla sarcinosa (A. Férussac, 1821) accepted as Helicobulinus sarcinosa (A. Férussac, 1821)
- Species Cochlostyla sarcinosa (Broderip, 1841) accepted as Helicobulinus sarcinosa (Broderip, 1841)
- Species Cochlostyla satyrus (Broderip, 1841) accepted as Helicostyla satyrus (Broderip, 1841)
- Species Cochlostyla schadenbergi Möllendorff, 1890 accepted as Helicostyla schadenbergi (Möllendorff, 1890)
- Species Cochlostyla seckendorffiana (L. Pfeiffer, 1847) accepted as Helicostyla seckendorffiana (L. Pfeiffer, 1847)
- Species Cochlostyla semperi Möllendorff, 1893 accepted as Calocochlea semperi (Möllendorff, 1893)
- Species Cochlostyla simplex (Jonas, 1843) accepted as Helicostyla simplex (Jonas, 1843)
- Species Cochlostyla siquijorensis (Broderip, 1841) accepted as Anixa siquijorensis (Broderip, 1841)
- Species Cochlostyla siquijorensis (L. Pfeiffer, 1845) accepted as Cochlostyla elegans C. Semper, 1877
- Species Cochlostyla smaragdina (Reeve, 1842) accepted as Helicostyla smaragdina (Reeve, 1842)
- Species Cochlostyla solai Hidalgo, 1896 accepted as Helicostyla juglans solai (Hidalgo, 1896)
- Species Cochlostyla solida (L. Pfeiffer, 1842) accepted as Helicostyla solida (L. Pfeiffer, 1842)
- Species Cochlostyla solida (L. Pfeiffer, 1853) accepted as Calocochlea roissyana (A. Férussac, 1822)
- Species Cochlostyla solivaga (Reeve, 1849) accepted as Helicostyla solivaga (Reeve, 1849)
- Species Cochlostyla sowerbyi Hidalgo, 1896 accepted as Calocochlea decipiens sowerbyi (Hidalgo, 1896)
- Species Cochlostyla speciosa (J. C. Jay, 1836) accepted as Helicostyla speciosa (J. C. Jay, 1836)
- Species Cochlostyla sphaerica (G. B. Sowerby I, 1841) accepted as Pachysphaera sphaerica (G. B. Sowerby I, 1841)
- Species Cochlostyla sphaerion (G. B. Sowerby I, 1841) accepted as Chloraea sphaerion (G. B. Sowerby I, 1841)
- Species Cochlostyla spreta (Reeve, 1850) accepted as Hypselostyla cincinna (G. B. Sowerby I, 1841)
- Species Cochlostyla stabilis (G. B. Sowerby I, 1841)
- Species Cochlostyla straminea C. Semper, 1877
- Species Cochlostyla streptostoma Möllendorff, 1893 accepted as Calocochlea streptostoma (Möllendorff, 1893)
- Species Cochlostyla strigata Quadras & Möllendorff, 1894 accepted as Cochlostyla decora (A. Adams & Reeve, 1850)
- Species Cochlostyla subcarinata (L. Pfeiffer, 1843) accepted as Hypselostyla subcarinata (L. Pfeiffer, 1843)
- Species Cochlostyla subglobosa (I. Lea, 1840) accepted as Helicostyla ticaonica (Broderip, 1841)
- Species Cochlostyla submirabilis Möllendorff, 1897
- Species Cochlostyla succincta (Reeve, 1849) accepted as Hypselostyla succincta (Reeve, 1849)
- Species Cochlostyla sulcocincta E. von Martens, 1865 accepted as Pyrochilus sulcocinctus (E. von Martens, 1865)
- Species Cochlostyla sulcocincta E. von Martens, 1864
- Species Cochlostyla suprabadia C. Semper, 1877 accepted as Calocochlea suprabadia (C. Semper, 1877)
- Species Cochlostyla sylvana (Broderip, 1841) accepted as Dolichostyla porracea (J. C. Jay, 1839)
- Species Cochlostyla sylvanoides C. Semper, 1877 accepted as Dolichostyla virgata sylvanoides (C. Semper, 1877)
- Species Cochlostyla tenera (G. B. Sowerby I, 1841) accepted as Cochlodryas tenera (G. B. Sowerby I, 1841)
- Species Cochlostyla tephrodes (L. Pfeiffer, 1843) accepted as Helicostyla tephrodes (L. Pfeiffer, 1843)
- Species Cochlostyla thompsoni [sic] accepted as Helicostyla thomsoni (L. Pfeiffer, 1871)
- Species Cochlostyla ticaonica (Broderip, 1841) accepted as Helicostyla ticaonica (Broderip, 1841)
- Species Cochlostyla trailli (L. Pfeiffer, 1855) accepted as Cochlostyla cinerosa trailli (L. Pfeiffer, 1855)
- Species Cochlostyla trisculpta Möllendorff, 1894 accepted as Calocochlea trisculpta (Möllendorff, 1894)
- Species Cochlostyla tukanensis (L. Pfeiffer, 1871) accepted as Calocochlea tukanensis (L. Pfeiffer, 1871)
- Species Cochlostyla turbinoides (Broderip, 1841) accepted as Helicobulinus turbinoides (Broderip, 1841)
- Species Cochlostyla turbo (L. Pfeiffer, 1845) accepted as Helicobulinus turbo (L. Pfeiffer, 1845)
- Species Cochlostyla turgens (Deshayes, 1850) accepted as Helicobulinus sarcinosa turgens (Deshayes, 1850)
- Species Cochlostyla turris C. Semper, 1877 accepted as Hypselostyla carinata turris (C. Semper, 1877)
- Species Cochlostyla uber (L. Pfeiffer, 1843)
- Species Cochlostyla unica (L. Pfeiffer, 1843) accepted as Orthostylus unicus (L. Pfeiffer, 1843)
- Species Cochlostyla ustulata (J. C. Jay, 1839) accepted as Chrysallis chrysalidiformis (G. B. Sowerby I, 1833)
- Species Cochlostyla valenciennesi (Eydoux, 1838) accepted as Cochlostyla valenciennii (Eydoux, 1838)
- Species Cochlostyla valenciennesii Möllendorff, 1898 accepted as Cochlostyla valenciennii (Eydoux, 1838)
- Species Cochlostyla valenciennii (Eydoux, 1838) accepted as Calocochlea valenciennii (Eydoux, 1838)
- Species Cochlostyla velata (Broderip, 1841)
- Species Cochlostyla ventricosa (Bruguière, 1792) accepted as Helicostyla ventricosa (Bruguière, 1792)
- Species Cochlostyla verecunda (Reeve, 1848) accepted as Helicostyla modesta (G. B. Sowerby I, 1841)
- Species Cochlostyla versicolor Möllendorff, 1894 accepted as Orustia versicolor (Möllendorff, 1894)
- Species Cochlostyla vidali Hidalgo, 1887 accepted as Helicostyla vidali (Hidalgo, 1887)
- Species Cochlostyla villari Hidalgo, 1887 accepted as Helicostyla villari (Hidalgo, 1887)
- Species Cochlostyla virens (L. Pfeiffer, 1843) accepted as Hypselostyla cincinna virens (L. Pfeiffer, 1843)
- Species Cochlostyla virgata (J. C. Jay, 1839) accepted as Dolichostyla porracea (J. C. Jay, 1839)
- Species Cochlostyla virginea (I. Lea, 1840) accepted as Helicostyla bullula (Broderip, 1841)
- Species Cochlostyla virginiea (I. Lea, 1841) accepted as Helicostyla bullula (Broderip, 1841)
- Species Cochlostyla virgo (Broderip, 1841) accepted as Chloraea virgo (Broderip, 1841)
- Species Cochlostyla viridostriata (I. Lea, 1840) accepted as Cochlodryas viridostriata (I. Lea, 1840)
- Species Cochlostyla volubilis (Reeve, 1851) accepted as Helicostyla speciosa (J. C. Jay, 1836)
- Species Cochlostyla wagneri (Grateloup, 1840) accepted as Chrysallis aspersa (Grateloup, 1840)
- Species Cochlostyla weberi Bartsch, 1919 accepted as Helicostyla weberi (Bartsch, 1919)
- Species Cochlostyla woodiana (I. Lea, 1840) accepted as Helicostyla woodiana (I. Lea, 1840)
- Species Cochlostyla worcesteri Bartsch, 1909 accepted as Helicostyla worcesteri (Bartsch, 1909)
- Species Cochlostyla xanthobasis Pilsbry, 1892 accepted as Calocochlea xanthobasis (Pilsbry, 1892)
- Species Cochlostyla zonifera (L. Pfeiffer, 1842) accepted as Calocochlea zonifera (L. Pfeiffer, 1842)
- Genus Coenobita Gistel, 1848 accepted as Helicobulinus Broderip, 1841
- Genus Corasia Albers, 1850 accepted as Chloraea Albers, 1850
- Genus Dolichostyla Pilsbry, 1896 (9)
- Genus Dryocochlias Möllendorff, 1898 accepted as Orthostylus H. Beck, 1837
- Genus Eudoxus Albers, 1850 accepted as Helicostyla (Eudoxus) Albers, 1850
- Genus Halocochlea Bartsch, 1932 accepted as Helicostyla (Calocochlea) W. Hartmann, 1843
- Genus Helicobulimus Möllendorff, 1890 accepted as Helicobulinus Broderip, 1841
- Genus Helicobulinus Broderip, 1841 (9)
- Genus Helicostyla A. Férussac, 1821 (97)
- Genus Hypoptychus Pilsbry, 1893 accepted as Pachya Albers, 1850
- Genus Hypselostyla L. Pfeiffer, 1868 (25)
- Genus Hypselostylus [sic] accepted as Hypselostyla L. Pfeiffer, 1868
- Genus Leytia Pilsbry, 1892 (1)
- Genus Mesanella Clench & R. D. Turner, 1952 (4)
- Genus Orthostylus H. Beck, 1837 (6)
- Genus Orustia Mörch, 1852 (4)
- Genus Pachya Albers, 1850 (1)
- Genus Pachysphaera Pilsbry, 1892 (6)
- Genus Pfeifferia J. E. Gray, 1853 (7)
- Genus Phania E. von Martens, 1860 accepted as Pyrochilus Pilsbry, 1893
- Genus Phengus Albers, 1850 (2)
- Genus Phoenicobius Mörch, 1852 (12)
- Genus Poecilus Albers, 1860 accepted as Cochlostyla (Cochlodryas) E. von Martens, 1860
- Genus Prochilus E. von Martens, 1860 accepted as Dolichostyla Pilsbry, 1896
- Genus Ptychostylus Möllendorff, 1888 accepted as Pachya Albers, 1850
- Genus Pyrochilus Pilsbry, 1893 (7)
- Genus Pythohelix Swainson, 1840 accepted as Helicostyla A. Férussac, 1821
- Genus Rhymbocochlias Möllendorff, 1895 accepted as Helicobulinus Broderip, 1841
- Genus Steatodryas Pilsbry, 1932 accepted as Pachya Albers, 1850
- Genus Trachystyla Pilsbry, 1892 (1)
- Subfamily Papuininae Iredale, 1938 accepted as Hadrinae Iredale, 1937
- Subfamily Pfeifferiinae Gray, 1855 accepted as Helicostylinae Ihering, 1909 (1890)
- Subfamily Sinumeloninae Solem, 1992 accepted as Hadrinae Iredale, 1937
- Subfamily Xanthomelontinae Iredale, 1937 accepted as Hadrinae Iredale, 1937
- Genus Amphicoelina F. Haas, 1933 accepted as Amphicoelina Zilch, 1960
- Genus Archaeoxesta Kobelt, 1909 † (1)
- Genus Geotrochus Swainson, 1840 accepted as Helix (Papuina) E. von Martens, 1860
- Genus Gracillinoconcha W. Yü & X.-Q. Zhang, 1982 † (1)
- Genus Hodopoeus Pilsbry & T. D. A. Cockerell, 1945 † (2)
- Genus Iforasia J.-C. Fischer, 1963 † (1)
- Genus Indocamaena Thach, 2023 (2)
- Genus Kanabohelix Pilsbry, 1927 † (1)
- Genus Kenyirus Clements & Tan, 2012 (3)
- Genus Limonohelix W. Yü & X.-Q. Zhang, 1982 † (3)
- Genus Miocenehadra T. Habe & Itoigawa, 1976 † (2)
- Genus Multiscapta W. Yü, 1982 † (3)
- Genus Ogeramua Christensen, 2017 (2)
- Genus Papuanella Clench & R. D. Turner, 1959 accepted as Ogeramua Christensen, 2017
- Genus Philbouchetia Thach, 2020 (1)
- Genus Planodoma W. Yü & H.-Z. Pan, 1982 † (1)
- Genus Sanshuispira W. Yü & X.-Q. Zhang, 1982 † (3)
- Genus Sinocamaena M. Wu, 2024 (1)
- Family Canariellidae Schileyko, 1991 (56)
- Family Cepolidae Ihering, 1909 (102)
- Family Chloritidae Iredale, 1938 accepted as Hadrinae Iredale, 1937
- Family Cochlicellidae Schileyko, 1972 accepted as Cochlicellini Schileyko, 1972
- Family Cochlicellinae Schileyko, 1972 accepted as Cochlicellini Schileyko, 1972
- Family Cochlostylidae Möllendorff, 1890 accepted as Helicostylinae Ihering, 1909 (1890)
- Family Echinichidae F. G. Thompson & Naranjo-García, 2012 accepted as Echinichinae F. G. Thompson & Naranjo-García, 2012
- Family Elonidae E. Gittenberger, 1977 (63)
- Family Epiphragmophoridae Hoffmann, 1928 (72)
- Family Eulotidae Möllendorff, 1898 accepted as Bradybaenini Pilsbry, 1934 (1898)
- Family Geomitridae C. R. Boettger, 1909 (402)
- Family Helicellidae Ihering, 1909 accepted as Hygromiidae Tryon, 1866
- Family Helicidae Rafinesque, 1815 (500)
- Family Helicodontidae Kobelt, 1904 (26)
- Family Helminthoglyptidae Pilsbry, 1939 accepted as Helminthoglyptinae Pilsbry, 1939
- Family Humboldtianidae Pilsbry, 1939 accepted as Humboldtianinae Pilsbry, 1939
- Family Hygromiidae Tryon, 1866 (460)
- Family Jacostidae Pilsbry, 1948 accepted as Helicellini Ihering, 1909
- Family Labyrinthidae Borrero, Sei, D. G. Robinson & Rosenberg, 2017 (58)
- Family Lampadiidae Winckworth, 1945 accepted as Labyrinthidae Borrero, Sei, D. G. Robinson & Rosenberg, 2017
- Family Leucochroidae Westerlund, 1886 accepted as Sphincterochilinae Zilch, 1960 (1886)
- Family Lysinoidae Hoffmann, 1928 accepted as Lysinoinae Hoffmann, 1928
- Family Monadeniidae H. Nordsieck, 1987 accepted as Monadeniinae H. Nordsieck, 1987
- Family Papuinidae Iredale, 1938 accepted as Hadrinae Iredale, 1937
- Family Pentataeniidae Mörch, 1864 accepted as Helicini Rafinesque, 1815
- Family Planispiridae Iredale, 1941 accepted as Hadrinae Iredale, 1937
- Family Pleurodontidae Ihering, 1912 (57)
- Family Polygyridae Pilsbry, 1895 (311)
- Family Rhagadidae Iredale, 1938 accepted as Hadrinae Iredale, 1937
- Family Sphincterochilidae Zilch, 1960 (1886) (41)
- Family Thysanophoridae Pilsbry, 1926 (42)
- Family Trichodiscinidae H. Nordsieck, 1987 (11)
- Family Trissexodontidae H. Nordsieck, 1987 (46)
- Family Xanthonychidae Strebel & Pfeffer, 1880 (345)
- Tribe Canariellini Schileyko, 1991 accepted as Canariellidae Schileyko, 1991
- Genus Laxecostula Harzhauser & Neubauer, 2020 † (1)
- Superfamily Sagdoidea Pilsbry, 1895 (199)
- Infraorder Limacoidei (4 251)
- Infraorder Oleacinoidei (497)
- Infraorder Orthalicoidei (1 578)
- Infraorder Partuloinei accepted as Pupilloidei
- Infraorder Pupilloidei (3 436)
- Infraorder Rhytidoidei (581)
- Infraorder Sagdoinei accepted as Helicoidei
- Infraorder Succineoidei (384)
- Suborder Orthurethra accepted as Pupilloidei
- Suborder Scolodontina (165)
- Suborder Sigmurethra accepted as Helicina
- Suborder Stylommatophora incertae sedis (75)
- Order Systellommatophora (224)
- Superorder Hygrophila (2 005)
- Superorder Pneumopulmonata
- Superorder Pylopulmonata (4 285)
- Superorder Sacoglossa (391)
- Superorder Siphonarimorpha (163)
- Order Anaspidea accepted as Aplysiida
- Order Aplysiida (101)
- Order Aplysiomorpha accepted as Aplysiida
- Order Archaeopulmonata accepted as Siphonarioidea Gray, 1827
- Order Bullomorpha accepted as Cephalaspidea
- Order Cephalaspidea (1 034)
- Order Heterostropha accepted as Pyramidellidae J. E. Gray, 1840
- Order Pteropoda (414)
- Order Runcinacea accepted as Runcinida
- Order Runcinida (80)
- Order Tectibranchiata
- Order Thecosomata
- Order Umbraculida (15)
- Superorder Euthyneura incertae sedis
- Infraclass Heterobranchia incertae sedis (478)
- Infraclass Mesoneura (108)
- Infraclass Opisthobranchia
- Infraclass Pulmonata
- 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
