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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)
- Subterclass Sorbeoconcha (147)
- Superorder Hypsogastropoda
- Order Architaenioglossa (4 918)
- Superfamily Ampullarioidea Gray, 1824 (250)
- Superfamily Cyclophoroidea J. E. Gray, 1847 (3 904)
- Family Aciculidae J. E. Gray, 1850 (103)
- Family Acmeidae Pollonera, 1905 accepted as Aciculidae J. E. Gray, 1850
- Family Alycaeidae W. T. Blanford, 1864 accepted as Alycaeinae W. T. Blanford, 1864
- Family Bolaniidae Wenz, 1915 accepted as Craspedopomatidae Kobelt & Möllendorff, 1898
- Family Cochlostomatidae Kobelt, 1902 (118)
- Family Craspedopomatidae Kobelt & Möllendorff, 1898 (21)
- Family Cyclophoridae J. E. Gray, 1847 (1 604)
- Subfamily Alycaeinae W. T. Blanford, 1864 (370)
- Subfamily Craspedopomatinae Kobelt & Möllendorff, 1898 accepted as Craspedopomatidae Kobelt & Möllendorff, 1898
- Subfamily Cyclophoridae incertae sedis (36)
- Subfamily Cyclophorinae J. E. Gray, 1847 (1 105)
- Tribe Caspicyclotini Wenz, 1938 (4)
- Tribe Cyathopomatini Kobelt & Möllendorff, 1897 (132)
- Tribe Cyclophorini J. E. Gray, 1847 (672)
- Genus Afroditropis Bequaert & Clench, 1936 (3)
- Genus Craspedotropis W. T. Blanford, 1864 (8)
- Genus Crossopoma E. von Martens, 1891 (7)
- Genus Cyclohelix Mörch, 1852 accepted as Cyclophorus (Cyclohelix) Mörch, 1852
- Genus Cyclophorus Montfort, 1810 (213)
- Genus Cyclosurus Morelet, 1881 (1)
- Genus Dasytherion Mabille, 1887 accepted as Scabrina W. T. Blanford, 1863
- Genus Dermatocera H. Adams & A. Adams, 1855 accepted as Leptopoma L. Pfeiffer, 1847
- Genus Ditropiphorus H. Fukuda, 2000 accepted as Ditropopsis E. A. Smith, 1897
- Genus Ditropis W. T. Blanford, 1869 accepted as Ditropopsis E. A. Smith, 1897
- Genus Ditropopsis E. A. Smith, 1897 (52)
- Genus Elgonocyclus Verdcourt, 1982 (1)
- Genus Eucyclophorus Möllendorff, 1886 accepted as Cyclophorus Montfort, 1810
- Genus Japonia A. Gould, 1859 (55)
- Genus Lagocheilus W. T. Blanford, 1864 (106)
- Genus Laochilus W. T. Blanford, 1864 accepted as Lagocheilus W. T. Blanford, 1864
- Genus Leptopoma L. Pfeiffer, 1847 (126)
- Subgenus Leptopoma (Dermatocera) H. Adams & A. Adams, 1855 accepted as Leptopoma L. Pfeiffer, 1847
- Subgenus Leptopoma (Entochilus) Möllendorff & Kobelt, 1897 represented as Leptopoma L. Pfeiffer, 1847
- Subgenus Leptopoma (Leptopoma) L. Pfeiffer, 1847 represented as Leptopoma L. Pfeiffer, 1847
- Subgenus Leptopoma (Leptopomatoides) Martens, 1878 accepted as Leptopomoides G. Nevill, 1878
- Subgenus Leptopoma (Leucoptychia) Crosse, 1878 represented as Leptopoma L. Pfeiffer, 1847
- Subgenus Leptopoma (Trocholeptopoma) Möllendorff & Kobelt, 1897 represented as Leptopoma L. Pfeiffer, 1847
- Species Leptopoma (Trocholeptopoma) acuminatum (G. B. Sowerby I, 1843) represented as Leptopoma acuminatum (G. B. Sowerby I, 1843)
- Species Leptopoma (Trocholeptopoma) altum Möllendorff, 1897 represented as Leptopoma altum Möllendorff, 1897
- Species Leptopoma (Trocholeptopoma) amaliae Kobelt, 1886 represented as Leptopoma amaliae Kobelt, 1886
- Species Leptopoma (Trocholeptopoma) annamiticum Möllendorff, 1900 represented as Leptopoma annamiticum Möllendorff, 1900
- Species Leptopoma (Trocholeptopoma) antonii Kobelt, 1886 represented as Leptopoma antonii Kobelt, 1886
- Species Leptopoma (Trocholeptopoma) apicatum W. H. Benson, 1856 represented as Leptopoma apicatum W. H. Benson, 1856
- Species Leptopoma (Trocholeptopoma) aspirans W. H. Benson, 1856 represented as Leptopoma aspirans W. H. Benson, 1856
- Species Leptopoma (Trocholeptopoma) atricapillum (G. B. Sowerby I, 1843) represented as Leptopoma atricapillum (G. B. Sowerby I, 1843)
- Species Leptopoma (Trocholeptopoma) aureum Quadras & Möllendorff, 1896 represented as Leptopoma aureum Quadras & Möllendorff, 1896
- Species Leptopoma (Trocholeptopoma) bipartitum Kobelt, 1886 represented as Leptopoma bipartitum Kobelt, 1886
- Species Leptopoma (Trocholeptopoma) bodjoense E. A. Smith, 1887 represented as Leptopoma bodjoense E. A. Smith, 1888
- Species Leptopoma (Trocholeptopoma) boholense Kobelt, 1886 represented as Leptopoma boholense Kobelt, 1886
- Species Leptopoma (Trocholeptopoma) bourguignati Issel, 1874 represented as Leptopoma bourguignati Issel, 1874
- Species Leptopoma (Trocholeptopoma) caroli Dohrn, 1862 represented as Leptopoma caroli Dohrn, 1862
- Species Leptopoma (Trocholeptopoma) celebesianum Möllendorff, 1896 represented as Leptopoma celebesianum Möllendorff, 1896
- Species Leptopoma (Trocholeptopoma) condorianum Crosse & P. Fischer, 1863 represented as Leptopoma condorianum Crosse & P. Fischer, 1863
- Species Leptopoma (Trocholeptopoma) cretaceum Hrubesch, 1965 † represented as Leptopoma cretaceum Hrubesch, 1965 †
- Species Leptopoma (Trocholeptopoma) duplicatum (L. Pfeiffer, 1857) represented as Leptopoma duplicatum (L. Pfeiffer, 1857)
- Species Leptopoma (Trocholeptopoma) elatum (L. Pfeiffer, 1852) represented as Leptopoma elatum L. Pfeiffer, 1852
- Species Leptopoma (Trocholeptopoma) fibula (G. B. Sowerby I, 1843) represented as Leptopoma fibula (G. B. Sowerby I, 1843)
- Species Leptopoma (Trocholeptopoma) fibulinum Quadras & Möllendorff, 1897 represented as Leptopoma fibulinum Quadras & Möllendorff, 1897
- Species Leptopoma (Trocholeptopoma) fultoni Aldrich, 1898 represented as Leptopoma fultoni Aldrich, 1898
- Species Leptopoma (Trocholeptopoma) geotrochiforme E. A. Smith, 1895 represented as Leptopoma geotrochiforme E. A. Smith, 1895
- Species Leptopoma (Trocholeptopoma) goniostoma (Reeve, 1842) represented as Leptopoma goniostoma (Reeve, 1842)
- Species Leptopoma (Trocholeptopoma) helicoides (Grateloup, 1840) represented as Leptopoma helicoides (Grateloup, 1840)
- Species Leptopoma (Trocholeptopoma) immaculatum (G. B. Sowerby I, 1839) accepted as Leptopoma marginellus (Gmelin, 1791)
- Species Leptopoma (Trocholeptopoma) leucorhaphe E. von Martens, 1863 represented as Leptopoma leucorhaphe E. von Martens, 1863
- Species Leptopoma (Trocholeptopoma) maculatum (I. Lea, 1838) represented as Leptopoma maculatum (I. Lea, 1838)
- Species Leptopoma (Trocholeptopoma) mathildae Dohrn, 1862 represented as Leptopoma mathildae Dohrn, 1862
- Species Leptopoma (Trocholeptopoma) maubanense Kobelt, 1886 represented as Leptopoma maubanense Kobelt, 1886
- Species Leptopoma (Trocholeptopoma) mekongiense Rochebrune, 1882 represented as Leptopoma mekongiensis Rochebrune, 1882
- Species Leptopoma (Trocholeptopoma) menadense L. Pfeiffer, 1862 represented as Leptopoma menadense L. Pfeiffer, 1862
- Species Leptopoma (Trocholeptopoma) minutum Hrubesch, 1965 † represented as Leptopoma minutum Hrubesch, 1965 †
- Species Leptopoma (Trocholeptopoma) mitchellae E. A. Smith, 1900 represented as Leptopoma mitchellae E. A. Smith, 1900
- Species Leptopoma (Trocholeptopoma) morleti Cossmann, 1892 † represented as Leptopoma morleti Cossmann, 1892 †
- Species Leptopoma (Trocholeptopoma) mouhoti L. Pfeiffer, 1861 represented as Leptopoma mouhoti L. Pfeiffer, 1861
- Species Leptopoma (Trocholeptopoma) moussoni E. von Martens, 1865 represented as Leptopoma moussoni E. von Martens, 1865
- Species Leptopoma (Trocholeptopoma) moutonense Leschke, 1914
- Species Leptopoma (Trocholeptopoma) natunense E. A. Smith, 1894 represented as Leptopoma natunense E. A. Smith, 1894
- Species Leptopoma (Trocholeptopoma) parvum Hedley, 1891 accepted as Pseudocyclotus parvus (Hedley, 1891)
- Species Leptopoma (Trocholeptopoma) perplexum (G. B. Sowerby I, 1843) represented as Leptopoma perplexum (G. B. Sowerby I, 1843)
- Species Leptopoma (Trocholeptopoma) pfeifferi Dohrn, 1862 represented as Leptopoma pfeifferi Dohrn, 1862
- Species Leptopoma (Trocholeptopoma) pileolus Quadras & Möllendorff, 1895 represented as Leptopoma pileolus Quadras & Möllendorff, 1895
- Species Leptopoma (Trocholeptopoma) pileus (G. B. Sowerby I, 1843) represented as Leptopoma pileus (G. B. Sowerby I, 1843)
- Species Leptopoma (Trocholeptopoma) polillanum Möllendorff, 1894 represented as Leptopoma polillanum Möllendorff, 1894
- Species Leptopoma (Trocholeptopoma) polyzonatum Möllendorff, 1882 represented as Leptopoma polyzonatum Möllendorff, 1882
- Species Leptopoma (Trocholeptopoma) pyramis Kobelt, 1886 represented as Leptopoma pyramis Kobelt, 1886
- Species Leptopoma (Trocholeptopoma) regulare L. Pfeiffer, 1852 represented as Leptopoma regulare L. Pfeiffer, 1852
- Species Leptopoma (Trocholeptopoma) roepstorffianum G. Nevill, 1878 represented as Leptopoma roepstorffianum G. Nevill, 1878
- Species Leptopoma (Trocholeptopoma) roepstorfianum G. Nevill, 1878 accepted as Leptopoma (Trocholeptopoma) roepstorffianum G. Nevill, 1878
- Species Leptopoma (Trocholeptopoma) roseum Möllendorff, 1888 represented as Leptopoma roseum Möllendorff, 1888
- Species Leptopoma (Trocholeptopoma) sarasinorum Kobelt, 1897 represented as Leptopoma sarasinorum Kobelt, 1897
- Species Leptopoma (Trocholeptopoma) sericatum L. Pfeiffer, 1852 represented as Leptopoma sericatum L. Pfeiffer, 1852
- Species Leptopoma (Trocholeptopoma) skertchlyi E. A. Smith, 1895 represented as Leptopoma skertchlyi E. A. Smith, 1895
- Species Leptopoma (Trocholeptopoma) subalatum Quadras & Möllendorff, 1893 represented as Leptopoma subalatum Quadras & Möllendorff, 1893
- Species Leptopoma (Trocholeptopoma) superbum Dohrn, 1889 represented as Leptopoma superbum Dohrn, 1889
- Species Leptopoma (Trocholeptopoma) tayninense Heude, 1890 represented as Leptopoma tayninense Heude, 1890
- Species Leptopoma (Trocholeptopoma) trochus Dohrn, 1862 represented as Leptopoma trochus Dohrn, 1862
- Species Leptopoma (Trocholeptopoma) undatum (Metcalfe, 1851) represented as Leptopoma undatum (Metcalfe, 1852)
- Species Leptopoma (Trocholeptopoma) varians Möllendorff, 1895 represented as Leptopoma varians Möllendorff, 1895
- Species Leptopoma (Trocholeptopoma) venustulum Tapparone Canefri, 1886 represented as Leptopoma venustulum Tapparone Canefri, 1883
- Species Leptopoma (Trocholeptopoma) wallacei (L. Pfeiffer, 1857) accepted as Japonia wallacei (L. Pfeiffer, 1857)
- Species Leptopoma (Trocholeptopoma) whiteheadi E. A. Smith, 1887 represented as Leptopoma whiteheadi E. A. Smith, 1887
- Species Leptopoma abbasi Thach, 2017
- Species Leptopoma achatinum Crosse, 1865
- Species Leptopoma acuminatum (G. B. Sowerby I, 1843)
- Species Leptopoma aegrotans Mabille, 1889
- Species Leptopoma albicans Fulton, 1903 accepted as Leptopoma moussoni E. von Martens, 1865
- Species Leptopoma altum Möllendorff, 1897
- Species Leptopoma amaliae Kobelt, 1886
- Species Leptopoma annamiticum Möllendorff, 1900
- Species Leptopoma antonii Kobelt, 1886
- Species Leptopoma apicale Tapparone Canefri, 1883
- Species Leptopoma apicatum W. H. Benson, 1856
- Species Leptopoma approximans Kobelt, 1886
- Species Leptopoma ardouinianum Heude, 1885 accepted as Littoraria ardouiniana (Heude, 1885)
- Species Leptopoma aspirans W. H. Benson, 1856
- Species Leptopoma atricapillum (G. B. Sowerby I, 1843)
- Species Leptopoma aurantiellum Tapparone Canefri, 1886 accepted as Leptopoma papuanum Dohrn, 1862
- Species Leptopoma aureum Quadras & Möllendorff, 1896
- Species Leptopoma baylei F. Sandberger, 1870 † accepted as Bauxia disjuncta (Matheron, 1832) †
- Species Leptopoma bicolor L. Pfeiffer, 1852
- Species Leptopoma bipartitum Kobelt, 1886
- Species Leptopoma birmanum L. Pfeiffer, 1852 accepted as Cyclophorus birmanus (L. Pfeiffer, 1852)
- Species Leptopoma bodjoense E. A. Smith, 1888
- Species Leptopoma boettgeri Gaál, 1910 †
- Species Leptopoma boettgeri (Möllendorff, 1887)
- Species Leptopoma boholense Kobelt, 1886
- Species Leptopoma bourguignati Issel, 1874
- Species Leptopoma callichloros Tapparone Canefri, 1886 accepted as Leptopoma massena (R. P. Lesson, 1831)
- Species Leptopoma calva F. W. Hutton, 1882 accepted as Cytora calva (F. W. Hutton, 1882)
- Species Leptopoma caroli Dohrn, 1862
- Species Leptopoma celebesianum Möllendorff, 1896
- Species Leptopoma characearum Stache, 1889 †
- Species Leptopoma cinctellum L. Pfeiffer, 1862 accepted as Leptopoma perlucidum (Grateloup, 1840)
- Species Leptopoma concinnum (G. B. Sowerby I, 1841)
- Species Leptopoma condorianum Crosse & P. Fischer, 1863
- Species Leptopoma crenilabre Strubell, 1892
- Species Leptopoma cretaceum Hrubesch, 1965 †
- Species Leptopoma cuticulare Möllendorff, 1888
- Species Leptopoma cybeus W. H. Benson, 1857 accepted as Cyclophorus cybeus (W. H. Benson, 1857)
- Species Leptopoma decipiens L. Pfeiffer, 1861
- Species Leptopoma diplochilus Sykes, 1903
- Species Leptopoma distinguendum Kobelt, 1886
- Species Leptopoma dohrni A. Adams & Angas, 1864
- Species Leptopoma dubium Kobelt, 1886
- Species Leptopoma duplicatum (L. Pfeiffer, 1857)
- Species Leptopoma elatum L. Pfeiffer, 1852
- Species Leptopoma euconus Möllendorff, 1894
- Species Leptopoma fibula (G. B. Sowerby I, 1843)
- Species Leptopoma fibulinum Quadras & Möllendorff, 1897
- Species Leptopoma freeri Bartsch, 1909
- Species Leptopoma fulgurans Dautzenberg, 1902
- Species Leptopoma fultoni Aldrich, 1898
- Species Leptopoma fuscostriatum F. Sandberger, 1870 † accepted as Bauxia disjuncta (Matheron, 1832) †
- Species Leptopoma gebiense Fulton, 1904
- Species Leptopoma geotrochiforme E. A. Smith, 1895
- Species Leptopoma gianelli Tapparone Canefri, 1886
- Species Leptopoma globulosum L. Pfeiffer, 1861
- Species Leptopoma goniostoma (Reeve, 1842)
- Species Leptopoma halmahericum Strubell, 1892
- Species Leptopoma hanleyanum (L. Pfeiffer, 1856)
- Species Leptopoma hargravesi J. C. Cox, 1873
- Species Leptopoma helicoides (Grateloup, 1840)
- Species Leptopoma holosericum P. Sarasin & F. Sarasin, 1899
- Species Leptopoma huberi (Thach, 2018)
- Species Leptopoma ignescens L. Pfeiffer, 1852
- Species Leptopoma immaculatum (G. B. Sowerby I, 1839) accepted as Leptopoma marginellus (Gmelin, 1791)
- Species Leptopoma injectum Iredale, 1941
- Species Leptopoma insigne (G. B. Sowerby I, 1843)
- Species Leptopoma intermedium E. von Martens, 1867
- Species Leptopoma intuszonatum Hidalgo, 1888
- Species Leptopoma jacquinoti L. Pfeiffer, 1858 accepted as Leptopoma pellucidum (Hombron & Jacquinot, 1848)
- Species Leptopoma johnabbasi Thach & Lie, 2023
- Species Leptopoma kejong Clench & Archer, 1931
- Species Leptopoma kuekenthali Kobelt, 1897
- Species Leptopoma lamellatum Sykes, 1903
- Species Leptopoma latelimbatum L. Pfeiffer, 1852
- Species Leptopoma latilabre E. von Martens, 1867
- Species Leptopoma leucoraphe E. von Martens, 1863 accepted as Leptopoma leucorhaphe E. von Martens, 1863
- Species Leptopoma leucorhaphe E. von Martens, 1863
- Species Leptopoma lowi L. Pfeiffer, 1856 accepted as Leptopoma perlucidum (Grateloup, 1840)
- Species Leptopoma luteostoma (G. B. Sowerby I, 1843)
- Species Leptopoma maculatum (I. Lea, 1838)
- Species Leptopoma manadense [sic] accepted as Leptopoma menadense L. Pfeiffer, 1862
- Species Leptopoma manhanense Kobelt, 1886 accepted as Leptopoma maubanense Kobelt, 1886
- Species Leptopoma marginellus (Gmelin, 1791)
- Species Leptopoma massena (R. P. Lesson, 1831)
- Species Leptopoma massenae (R. P. Lesson, 1831) accepted as Leptopoma massena (R. P. Lesson, 1831)
- Species Leptopoma mathildae Dohrn, 1862
- Species Leptopoma maubanense Kobelt, 1886
- Species Leptopoma mcgregori Bartsch, 1930
- Species Leptopoma megalostoma Möllendorff, 1902
- Species Leptopoma mekongiensis Rochebrune, 1882
- Species Leptopoma melanostoma (Petit de la Saussaye, 1841)
- Species Leptopoma menadense L. Pfeiffer, 1862
- Species Leptopoma michaui Crosse & P. Fischer, 1863 accepted as Lagocheilus michaui (Crosse & P. Fischer, 1863)
- Species Leptopoma minus E. von Martens, 1867
- Species Leptopoma minutum Hrubesch, 1965 †
- Species Leptopoma mitchellae E. A. Smith, 1900
- Species Leptopoma morleti Cossmann, 1892 †
- Species Leptopoma mouhoti L. Pfeiffer, 1861
- Species Leptopoma moussoni E. von Martens, 1865
- Species Leptopoma moutonense Leschke, 1914
- Species Leptopoma muelleri Wenz, 1932 †
- Species Leptopoma multilabre (Lamarck, 1839)
- Species Leptopoma muswarensis Fulton, 1910 accepted as Leptopoma massena muswarense Fulton, 1910
- Species Leptopoma natunense E. A. Smith, 1894
- Species Leptopoma niasense Fulton, 1907
- Species Leptopoma nigricans L. Pfeiffer, 1862 accepted as Cyclophorus nigricans (L. Pfeiffer, 1862)
- Species Leptopoma nigrilabrum Tapparone Canefri, 1886
- Species Leptopoma nitidum (G. B. Sowerby I, 1842) accepted as Leptopoma perlucidum (Grateloup, 1840)
- Species Leptopoma palawanensis E. A. Smith, 1893 accepted as Cyclophorus palawanensis (E. A. Smith, 1893)
- Species Leptopoma pallida F. W. Hutton, 1883 accepted as Cytora pallida (F. W. Hutton, 1883)
- Species Leptopoma panayense (G. B. Sowerby I, 1843)
- Species Leptopoma pannosa F. W. Hutton, 1882 accepted as Cytora pannosa (F. W. Hutton, 1882)
- Species Leptopoma papuanum Dohrn, 1862
- Species Leptopoma parvum Hedley, 1891 accepted as Pseudocyclotus parvus (Hedley, 1891)
- Species Leptopoma pellucidum (Hombron & Jacquinot, 1848)
- Species Leptopoma perlucida (Grateloup, 1840) accepted as Leptopoma perlucidum (Grateloup, 1840)
- Species Leptopoma perlucidum (Grateloup, 1840)
- Species Leptopoma perplexum (G. B. Sowerby I, 1843)
- Species Leptopoma pfeifferi Dohrn, 1862
- Species Leptopoma pileolus Quadras & Möllendorff, 1895
- Species Leptopoma pileus (G. B. Sowerby I, 1843)
- Species Leptopoma placidum Fulton, 1903 accepted as Japonia wallacei placidum (Fulton, 1903)
- Species Leptopoma poecilum (L. Pfeiffer, 1855) accepted as Leptopomoides poecilus (L. Pfeiffer, 1855)
- Species Leptopoma poecilum Quadras & Möllendorff, 1895
- Species Leptopoma polillanum Möllendorff, 1894
- Species Leptopoma polyzonatum Möllendorff, 1882
- Species Leptopoma portei L. Pfeiffer, 1862 accepted as Leptopoma (Leptopoma) latelimbatum L. Pfeiffer, 1852
- Species Leptopoma pulchellum Quadras & Möllendorff, 1894
- Species Leptopoma pulicarium L. Pfeiffer, 1861
- Species Leptopoma pumilum Tapparone Canefri, 1886
- Species Leptopoma puniceum Tapparone Canefri, 1886
- Species Leptopoma pusillum Möllendorff, 1890
- Species Leptopoma pyramis Kobelt, 1886
- Species Leptopoma quadrasi Möllendorff, 1893
- Species Leptopoma regulare L. Pfeiffer, 1852
- Species Leptopoma roepstorffianum G. Nevill, 1878
- Species Leptopoma roepstorfianum G. Nevill, 1878 accepted as Leptopoma roepstorffianum G. Nevill, 1878
- Species Leptopoma roseum Möllendorff, 1888
- Species Leptopoma sarasinorum Kobelt, 1897
- Species Leptopoma scabrum Möllendorff, 1902
- Species Leptopoma scalare H. Adams, 1865
- Species Leptopoma sechellarum (L. Pfeiffer, 1855)
- Species Leptopoma semiclausum (L. Pfeiffer, 1855)
- Species Leptopoma sericatum L. Pfeiffer, 1852
- Species Leptopoma signatum (L. Pfeiffer, 1857)
- Species Leptopoma skertchlyi E. A. Smith, 1895
- Species Leptopoma sriabbasae Thach, 2020
- Species Leptopoma subalatum Quadras & Möllendorff, 1893
- Species Leptopoma superbum Dohrn, 1889
- Species Leptopoma tagolandense Pilsbry, 1908
- Species Leptopoma taivanum Möllendorff, 1883 accepted as Leptopoma nitidum taivanum Möllendorff, 1883
- Species Leptopoma taprobanensis Preston, 1909 accepted as Leptopomoides taprobanensis (Preston, 1909)
- Species Leptopoma tayninense Heude, 1890
- Species Leptopoma thachi F. Huber, 2020
- Species Leptopoma thaitieni Thach, 2023
- Species Leptopoma tigris Y.-C. Lee & W.-L. Wu, 2001
- Species Leptopoma tissotianum (Crosse, 1878)
- Species Leptopoma trochus Dohrn, 1862
- Species Leptopoma undatum (Metcalfe, 1852)
- Species Leptopoma varians Möllendorff, 1895
- Species Leptopoma venustulum Tapparone Canefri, 1883
- Species Leptopoma vexillum P. Sarasin & F. Sarasin, 1899
- Species Leptopoma vitrea (R. P. Lesson, 1831) accepted as Leptopoma vitreum (R. P. Lesson, 1831)
- Species Leptopoma vitreum (R. P. Lesson, 1831) accepted as Leptopoma perlucidum (Grateloup, 1840)
- Species Leptopoma wallacei (L. Pfeiffer, 1857) accepted as Japonia wallacei (L. Pfeiffer, 1857)
- Species Leptopoma whiteheadi E. A. Smith, 1887
- Species Leptopoma woodfordi G. B. Sowerby III, 1890
- Genus Leptopomatoides E. von Martens, 1880 accepted as Leptopomoides G. Nevill, 1878
- Genus Leptopomoides G. Nevill, 1878 (8)
- Genus Leucoptychia Crosse, 1878 accepted as Leptopoma (Leucoptychia) Crosse, 1878
- Genus Litostylus Kobelt & Möllendorff, 1897 accepted as Cyclophorus (Kobeltostylus) Egorov, 2006
- Genus Micraulax Theobald, 1876 (2)
- Genus Montanopoma J. Stanisic, 2010 (5)
- Genus Myxostoma Troschel, 1847 (3)
- Genus Otopoma J. E. Gray, 1850 (8)
- Genus Owengriffithsius K. C. Emberton, 2002 (6)
- Genus Papuocyclus Ancey, 1895 (1)
- Genus Pilosphaera Y.-C. Lee, K.-U. Lue & W.-L. Wu, 2008 (2)
- Genus Ptychapoma Möllendorff, 1885 accepted as Ptychopoma Möllendorff, 1885
- Genus Ptychopoma Möllendorff, 1885 (22)
- Genus Rhytidorhaphe Möllendorff, 1897 accepted as Papuocyclus Ancey, 1895
- Genus Scabrina W. T. Blanford, 1863 (22)
- Genus Theobaldius G. Nevill, 1878 (21)
- Tribe Cyclotini L. Pfeiffer, 1853 (164)
- Tribe Pterocyclini Kobelt & Möllendorff, 1897 (126)
- Genus Aulopoma Troschel, 1847 (4)
- Genus Pholeoteras Sturany, 1904 (3)
- Subfamily Ferussininae Wenz, 1923 (1915) † (8)
- Subfamily Platyrhaphidinae Páll-Gergely, 2024 (76)
- Subfamily Spirostomatinae Tielecke, 1940 (4)
- Genus Allardia Nicolas, 1898 †
- Genus Diaspira Soós, 1911 accepted as Ditropopsis E. A. Smith, 1897
- Genus Eotrichophorus D. A. Bullis, Herhold, Czekanski-Moir, Grimaldi & Rundell, 2020 † (2)
- Genus Lagochilus P. Fischer, 1885 accepted as Lagocheilus W. T. Blanford, 1864
- Genus Lagochilus W. T. Blanford, 1864 accepted as Lagocheilus W. T. Blanford, 1864
- Genus Perissocyclos D. A. Bullis, Herhold, Czekanski-Moir, Grimaldi & Rundell, 2020 † (1)
- Genus Strophites J. W. Dawson, 1880 † accepted as Dendropupa R. Owen, 1859 †
- Genus Trotopyrgula X.-H. Yu, 1987 † (2)
- Family Cytoridae Climo, 1969 accepted as Liareinae A. W. B. Powell, 1946
- Family Dicristidae A. N. Golikov & Starobogatov, 1975 accepted as Neocyclotidae Kobelt & Möllendorff, 1897
- Family Diplommatinidae L. Pfeiffer, 1856 (1 026)
- Family Ferussinidae Wenz, 1923 (1915) † accepted as Ferussininae Wenz, 1923 (1915) †
- Family Hainesiidae Thiele, 1929 (220)
- Family Lagocheilidae Stoliczka, 1872 accepted as Cyclophoridae J. E. Gray, 1847
- Family Maizaniidae Tielecke, 1940 (40)
- Family Megalomastomatidae W. T. Blanford, 1864 (100)
- Family Megalostomatidae [sic] accepted as Megalomastomatidae W. T. Blanford, 1864
- Family Neocyclotidae Kobelt & Möllendorff, 1897 (242)
- Family Pupinidae L. Pfeiffer, 1853 (427)
- Family Strophostomatidae Wenz, 1915 † accepted as Ferussininae Wenz, 1923 (1915) †
- Genus Carinomphalus W. Yü, 1974 † (1)
- Genus Diplommoptychia Maillard, 1884 †
- Genus Loriolina Huckriede, 1967 † (1)
- Genus Maillardinus Bandel, 1991 † (1)
- Superfamily Viviparoidea Gray, 1847 (764)
- Order Caenogastropoda incertae sedis (7 676)
- Order Littorinimorpha (17 179)
- Order Neogastropoda (23 716)
- Order Stenoglossa accepted as Neogastropoda
- Subclass Gastropoda incertae sedis (308)
- Subclass Heterobranchia (39 156)
- 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