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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)
- Infraorder Limacoidei (4 251)
- Infraorder Oleacinoidei (497)
- Infraorder Orthalicoidei (1 578)
- Superfamily Bulimuloidea Tryon, 1867 accepted as Orthalicoidea E. von Martens, 1860
- Superfamily Orthalicoidea E. von Martens, 1860 (1 578)
- Family Amphibulimidae P. Fischer, 1873 (109)
- Family Bothriembryontidae Iredale, 1937 (168)
- Family Bulimulidae Tryon, 1867 (940)
- Subfamily Berendtiinae P. Fischer & Crosse, 1872 accepted as Bulimulinae Tryon, 1867
- Subfamily Bostrycinae Breure, 2012 (219)
- Subfamily Bulimulidae incertae sedis (9)
- Subfamily Bulimulinae Tryon, 1867 (309)
- Tribe Odontostomini Pilsbry & Vanatta, 1898 accepted as Odontostomidae Pilsbry & Vanatta, 1898
- Tribe Simpulopsini Schileyko, 1999 accepted as Simpulopsidae Schileyko, 1999
- Genus Adzharia P. Hesse, 1933 accepted as Bulimulus Leach, 1814
- Genus Anctus E. von Martens, 1860 (3)
- Genus Atahualpa Strebel, 1910 accepted as Thaumastus E. von Martens, 1860
- Genus Auris Spix, 1827 (9)
- Genus Berendtia Crosse & P. Fischer, 1869 (1)
- Genus Bocourtia Rochebrune, 1882 (38)
- Genus Bulimulus Leach, 1814 (66)
- Subgenus Bulimulus (Adenodia) Dall, 1920 accepted as Naesiotus (Adenodia) Dall, 1920
- Subgenus Bulimulus (Anctus) E. von Martens, 1860 accepted as Anctus E. von Martens, 1860
- Subgenus Bulimulus (Ataxellus) Dall, 1912 accepted as Bostryx (Geopyrgus) Pilsbry, 1896
- Subgenus Bulimulus (Ataxus) Albers, 1850 accepted as Bostryx Troschel, 1847
- Subgenus Bulimulus (Bostryx) Troschel, 1847 accepted as Bostryx Troschel, 1847
- Subgenus Bulimulus (Bulimulus) Leach, 1814 represented as Bulimulus Leach, 1814
- Species Bulimulus (Bulimulus) apodemetes (A. d'Orbigny, 1835) accepted as Bostryx apodemetes (A. d'Orbigny, 1835)
- Species Bulimulus (Bulimulus) araozi Weyrauch, 1956 accepted as Sphaeroconcha araozi (Weyrauch, 1956)
- Species Bulimulus (Bulimulus) cacticolus (Reeve, 1849) represented as Bulimulus cacticolus (Reeve, 1849)
- Species Bulimulus (Bulimulus) centralis Doering, 1879 accepted as Naesiotus oxylabris (Doering, 1879)
- Species Bulimulus (Bulimulus) diaphanus (L. Pfeiffer, 1855) accepted as Bulimulus fraterculus diaphanus (L. Pfeiffer, 1855)
- Species Bulimulus (Bulimulus) dysoni (L. Pfeiffer, 1846) represented as Bulimulus dysoni (L. Pfeiffer, 1846)
- Species Bulimulus (Bulimulus) erectus (Reeve, 1849) represented as Bulimulus erectus (Reeve, 1849)
- Species Bulimulus (Bulimulus) eyriesii (Drouët, 1859) represented as Bulimulus eyriesii (Drouët, 1859)
- Species Bulimulus (Bulimulus) felipponei W. B. Marshall, 1930 accepted as Bulimulus hendersoni W. B. Marshall, 1931
- Species Bulimulus (Bulimulus) fraterculus (Potiez & Michaud, 1838) represented as Bulimulus fraterculus fraterculus (Potiez & Michaud, 1838)
- Species Bulimulus (Bulimulus) fuscus Guilding, 1828 represented as Bulimulus fuscus Guilding, 1828
- Species Bulimulus (Bulimulus) gittenbergeri Breure, 1974 represented as Bulimulus gittenbergeri Breure, 1974
- Species Bulimulus (Bulimulus) guadalupensis (Bruguière, 1789) represented as Bulimulus guadalupensis (Bruguière, 1789)
- Species Bulimulus (Bulimulus) hummelincki Breure, 1974 represented as Bulimulus hummelincki Breure, 1974
- Species Bulimulus (Bulimulus) inconspicuus F. Haas, 1949 accepted as Mesembrinus inconspicuus (F. Haas, 1949)
- Species Bulimulus (Bulimulus) lehmanni (L. Pfeiffer, 1865) represented as Bulimulus lehmanni (L. Pfeiffer, 1865)
- Species Bulimulus (Bulimulus) lherminieri (P. Fischer, 1857) represented as Bulimulus lherminieri (P. Fischer, 1857)
- Species Bulimulus (Bulimulus) limnoides (A. Férussac, 1832) represented as Bulimulus limnoides (A. Férussac, 1832)
- Species Bulimulus (Bulimulus) monticola Doering, 1879 accepted as Bostryx cordillerae (Strobel, 1874)
- Species Bulimulus (Bulimulus) riisei (L. Pfeiffer, 1855) represented as Bulimulus riisei (L. Pfeiffer, 1855)
- Species Bulimulus (Bulimulus) sporadicus (A. d'Orbigny, 1835) accepted as Bulimulus bonariensis sporadicus (A. d'Orbigny, 1835)
- Species Bulimulus (Bulimulus) tortoranus Doering, 1879 accepted as Bostryx tortoranus (Doering, 1879)
- Species Bulimulus (Bulimulus) turritellatus (A. d'Orbigny, 1835) accepted as Bulimulus turritella (A. d'Orbigny, 1835)
- Species Bulimulus (Bulimulus) vesicalis (L. Pfeiffer, 1853) represented as Bulimulus vesicalis (L. Pfeiffer, 1853)
- Subgenus Bulimulus (Cochleornata) Hylton Scott, 1975 represented as Bulimulus Leach, 1814
- Subgenus Bulimulus (Dentaxis) Pilsbry, 1902 accepted as Bostryx (Dentaxis) Pilsbry, 1902
- Subgenus Bulimulus (Drymaeus) Albers, 1850 accepted as Drymaeus Albers, 1850
- Subgenus Bulimulus (Ena) W. Turton, 1831 accepted as Ena W. Turton, 1831
- Subgenus Bulimulus (Eudioptus) E. von Martens, 1860 accepted as Simpulopsis (Eudioptus) E. von Martens, 1860
- Subgenus Bulimulus (Geoceras) Pilsbry, 1896 accepted as Bostryx (Geopyrgus) Pilsbry, 1896
- Subgenus Bulimulus (Geopyrgus) Pilsbry, 1896 accepted as Bostryx (Geopyrgus) Pilsbry, 1896
- Subgenus Bulimulus (Globulinus) Crosse & P. Fischer, 1875 accepted as Rabdotus Albers, 1850
- Subgenus Bulimulus (Goniognathmus) Crosse & P. Fischer, 1875 accepted as Drymaeus Albers, 1850
- Subgenus Bulimulus (Goniostomus) auct. accepted as Gonyostomus H. Beck, 1837
- Subgenus Bulimulus (Granella) Dall, 1920 accepted as Naesiotus (Granella) Dall, 1920
- Subgenus Bulimulus (Granitza) Dall, 1920 accepted as Naesiotus (Granitza) Dall, 1920
- Subgenus Bulimulus (Granucis) Dall, 1920 accepted as Naesiotus (Granucis) Dall, 1920
- Subgenus Bulimulus (Hyperaulax) Pilsbry, 1897 accepted as Hyperaulax Pilsbry, 1897
- Subgenus Bulimulus (Leptobyrsus) Crosse & P. Fischer, 1875 accepted as Naesiotus Albers, 1850
- Subgenus Bulimulus (Leptomerus) Albers, 1850 accepted as Bulimulus Leach, 1814
- Subgenus Bulimulus (Liostracus) accepted as Drymaeus Albers, 1850
- Subgenus Bulimulus (Liparus) Albers, 1850 accepted as Bothriembryon Pilsbry, 1894
- Subgenus Bulimulus (Lissoacme) Pilsbry, 1896 accepted as Bostryx (Lissoacme) Pilsbry, 1896
- Subgenus Bulimulus (Mesembrinus) Albers, 1850 accepted as Drymaeus (Mesembrinus) Albers, 1850
- Subgenus Bulimulus (Mormus) E. von Martens, 1860 accepted as Drymaeus Albers, 1850
- Subgenus Bulimulus (Naesiotus) Albers, 1850 accepted as Naesiotus Albers, 1850
- Subgenus Bulimulus (Nesiotes) E. von Martens, 1860 accepted as Naesiotus Albers, 1850
- Subgenus Bulimulus (Nuciscus) Dall, 1920 accepted as Naesiotus (Nuciscus) Dall, 1920
- Subgenus Bulimulus (Ochsneria) Dall, 1920 accepted as Naesiotus (Ochsneria) Dall, 1920
- Subgenus Bulimulus (Olinodia) Dall, 1920 accepted as Naesiotus (Reclasta) Dall, 1920
- Subgenus Bulimulus (Orthotomium) Crosse & P. Fischer, 1875 accepted as Rabdotus Albers, 1850
- Subgenus Bulimulus (Paeniscutalus) Wurtz, 1947 accepted as Paeniscutalus Wurtz, 1947
- Subgenus Bulimulus (Paracochlea) Hylton Scott, 1967 accepted as Simpulopsis (Eudioptus) E. von Martens, 1860
- Subgenus Bulimulus (Pelecostoma) Reibisch, 1893 accepted as Naesiotus (Pelecostoma) Reibisch, 1893
- Subgenus Bulimulus (Peronaeus) Albers, 1850 accepted as Peronaeus Albers, 1850
- Subgenus Bulimulus (Phenacotaxus) Dall, 1912 accepted as Bostryx (Geopyrgus) Pilsbry, 1896
- Subgenus Bulimulus (Platybostryx) Pilsbry, 1896 accepted as Bostryx (Platybostryx) Pilsbry, 1896
- Subgenus Bulimulus (Plectostylus) H. Beck, 1837 accepted as Plectostylus H. Beck, 1837
- Subgenus Bulimulus (Pleuropyrgus) E. von Martens, 1860 accepted as Naesiotus (Pleuropyrgus) E. von Martens, 1860
- Subgenus Bulimulus (Protoglyptus) Pilsbry, 1897 accepted as Protoglyptus Pilsbry, 1897
- Subgenus Bulimulus (Pseudorhodea) Dall, 1895 accepted as Plicolumna J. G. Cooper, 1895
- Subgenus Bulimulus (Pseudoxychona) Pilsbry, 1930 accepted as Pseudoxychona Pilsbry, 1930
- Subgenus Bulimulus (Puritanina) Jacobson, 1958 accepted as Naesiotus Albers, 1850
- Subgenus Bulimulus (Rabdotus) Albers, 1850 accepted as Rabdotus Albers, 1850
- Subgenus Bulimulus (Reclasta) Dall, 1920 accepted as Naesiotus (Reclasta) Dall, 1920
- Subgenus Bulimulus (Rhabdotus) Albers, 1850 accepted as Rabdotus Albers, 1850
- Subgenus Bulimulus (Rhabdotus) [sic] accepted as Rabdotus Albers, 1850
- Subgenus Bulimulus (Rhinus) E. von Martens, 1860 accepted as Rhinus E. von Martens, 1860
- Subgenus Bulimulus (Saeronia) Dall, 1920 accepted as Naesiotus (Naesiotus) Albers, 1850
- Subgenus Bulimulus (Scansicochlea) [sic] accepted as Bulimulus (Scansicohlea) Pilsbry, 1930
- Subgenus Bulimulus (Scansicohlea) Pilsbry, 1930 accepted as Bostryx (Scansicohlea) Pilsbry, 1930
- Subgenus Bulimulus (Scutalis) [sic] accepted as Scutalus Albers, 1850
- Subgenus Bulimulus (Scutalus) Albers, 1850 accepted as Scutalus Albers, 1850
- Subgenus Bulimulus (Sonorina) Pilsbry, 1896 accepted as Rabdotus (Leptobyrsus) Crosse & P. Fischer, 1875
- Subgenus Bulimulus (Spiroscutalus) Pilsbry, 1932 accepted as Spiroscutalus Pilsbry, 1932
- Subgenus Bulimulus (Stemmodiscus) Dall, 1920 accepted as Naesiotus (Stemmodiscus) Dall, 1920
- Subgenus Bulimulus (Thaumastus) E. von Martens, 1860 accepted as Thaumastus E. von Martens, 1860
- Species Bulimulus acholus Mabille, 1895 accepted as Naesiotus montezuma (Dall, 1893)
- Species Bulimulus albostriatus Strebel, 1882 accepted as Mesembrinus albostriatus (Strebel, 1882)
- Species Bulimulus albus (G. B. Sowerby I, 1839)
- Species Bulimulus alternans H. Beck, 1837 accepted as Drymaeus alternans (H. Beck, 1837)
- Species Bulimulus alternatus Say, 1830 accepted as Rabdotus alternatus (Say, 1830)
- Species Bulimulus altoperuvianus (Reeve, 1849) accepted as Neopetraeus altoperuvianus (Reeve, 1849)
- Species Bulimulus amastroides Ancey, 1887 accepted as Naesiotus amastroides (Ancey, 1887)
- Species Bulimulus ambarinus Hylton Scott, 1975
- Species Bulimulus ameghinoi Ihering, 1908 accepted as Discoleus ameghinoi (Ihering, 1908)
- Species Bulimulus americanus (Heilprin, 1886) † accepted as Tocobaga americanus (Heilprin, 1886) †
- Species Bulimulus angiostomus (J. A. Wagner, 1827) accepted as Anctus angiostomus (J. A. Wagner, 1827)
- Species Bulimulus angrandianus Pilsbry, 1897 accepted as Bostryx angrandianus (Pilsbry, 1897)
- Species Bulimulus angustus Weyrauch, 1966
- Species Bulimulus antiguensis Guilding, 1840
- Species Bulimulus apicepunctatus Preston, 1914 accepted as Mesembrinus apicepunctatus (Preston, 1914)
- Species Bulimulus apodemetes (A. d'Orbigny, 1835) accepted as Naesiotus apodemetes (A. d'Orbigny, 1835)
- Species Bulimulus approximatus Dall, 1900 accepted as Naesiotus approximatus (Dall, 1900)
- Species Bulimulus arbustorum Paetel, 1869 accepted as Plectostylus ochsenii (Dunker, 1856)
- Species Bulimulus asperatus (Albers, 1857)
- Species Bulimulus atahualpa Dohrn, 1863 accepted as Neopetraeus atahualpa (Dohrn, 1863)
- Species Bulimulus aureolus Guppy, 1866 accepted as Drymaeus aureolus (Guppy, 1866)
- Species Bulimulus aurismalchi (O. F. Müller, 1774) accepted as Placostylus fibratus fibratus (Martyn, 1784)
- Species Bulimulus bahamensis (L. Pfeiffer, 1862) accepted as Drymaeus bahamensis (L. Pfeiffer, 1862)
- Species Bulimulus bakeri G. D. Hanna, 1923 accepted as Naesiotus dentifer lamellifer (Pilsbry, 1897)
- Species Bulimulus ballistae Dall, 1915 † accepted as Tocobaga floridanus (Conrad, 1846) †
- Species Bulimulus blanfordianus Ancey, 1903 accepted as Thaumastus blanfordianus (Ancey, 1903)
- Species Bulimulus blombergi Odhner, 1951 accepted as Naesiotus blombergi (Odhner, 1951)
- Species Bulimulus bonariensis (Rafinesque, 1833)
- Species Bulimulus bonneti Ancey, 1902 accepted as Bostryx bonneti (Ancey, 1902)
- Species Bulimulus borellii Ancey, 1897 accepted as Bostryx borellii (Ancey, 1897)
- Species Bulimulus botterii Crosse & P. Fischer, 1875 accepted as Mesembrinus botterii (Crosse & P. Fischer, 1875)
- Species Bulimulus bromeliarum Pilsbry, 1930 accepted as Bostryx bromeliarum (Pilsbry, 1930)
- Species Bulimulus brunoi (Ihering, 1917)
- Species Bulimulus buckleyi G. B. Sowerby III, 1895 accepted as Drymaeus buckleyi (G. B. Sowerby III, 1895)
- Species Bulimulus buenavistensis Pilsbry, 1897
- Species Bulimulus cacticolus (Reeve, 1849)
- Species Bulimulus carmen Pilsbry & H. N. Lowe, 1932
- Species Bulimulus carvalhoi Brito, 1967 † accepted as Cortana carvalhoi (Brito, 1967) †
- Species Bulimulus castelneaui (L. Pfeiffer, 1857)
- Species Bulimulus ceralboensis G. D. Hanna, 1923 accepted as Rabdotus ceralboensis (G. D. Hanna, 1923)
- Species Bulimulus ceroplasta Pilsbry, 1896 accepted as Bostryx ceroplasta (Pilsbry, 1896)
- Species Bulimulus chamberlini G. D. Hanna, 1923 accepted as Rabdotus chamberlini (G. D. Hanna, 1923)
- Species Bulimulus chanchamayensis Hidalgo, 1870 accepted as Drymaeus chanchamayensis (Hidalgo, 1870)
- Species Bulimulus chaperi Crosse & P. Fischer, 1893 accepted as Drymaeus dombeyanus (L. Pfeiffer, 1842)
- Species Bulimulus chrysalis (L. Pfeiffer, 1847) accepted as Protoglyptus chrysalis (L. Pfeiffer, 1847)
- Species Bulimulus chrysaloides Pilsbry, 1897 accepted as Naesiotus chrysalis (L. Pfeiffer, 1847)
- Species Bulimulus cinerarius Dall, 1917 accepted as Naesiotus cinerarius (Dall, 1917)
- Species Bulimulus coelhoi Palma & Brito, 1974 † accepted as Cyclodontina coelhoi (Palma & Brito, 1974) †
- Species Bulimulus cokerianus Dall, 1909 accepted as Bostryx cokerianus (Dall, 1909)
- Species Bulimulus compactus Fulton, 1902 accepted as Bostryx compactus (Fulton, 1902)
- Species Bulimulus constrictus (L. Pfeiffer, 1841) accepted as Rhinus constrictus (L. Pfeiffer, 1841)
- Species Bulimulus corderoi J. J. Parodiz, 1963
- Species Bulimulus coriaceus (L. Pfeiffer, 1857)
- Species Bulimulus corneus (G. B. Sowerby I, 1833)
- Species Bulimulus corumbaensis Pilsbry, 1897
- Species Bulimulus cuernavacensis Crosse & P. Fischer, 1874 accepted as Mesembrinus uhdeanus cuernavacensis (Crosse & P. Fischer, 1874)
- Species Bulimulus cutisculptus Ancey, 1901 accepted as Naesiotus cutisculptus (Ancey, 1901)
- Species Bulimulus dacostae G. B. Sowerby III, 1892 accepted as Drymaeus dacostae (G. B. Sowerby III, 1892)
- Species Bulimulus damarensis H. Adams, 1870 accepted as Xerocerastus damarensis (H. Adams, 1870)
- Species Bulimulus dealbatus (Say, 1821) accepted as Rabdotus dealbatus (Say, 1821)
- Species Bulimulus dendritoides Pilsbry, 1896 accepted as Bostryx dendritoides (Pilsbry, 1896)
- Species Bulimulus dentaxis Pilsbry, 1901 accepted as Bostryx dentaxis (Pilsbry, 1901)
- Species Bulimulus dentifer Mabille, 1895 accepted as Naesiotus dentifer (Mabille, 1895)
- Species Bulimulus dentritis (Morelet, 1863) accepted as Naesiotus dentritis (Morelet, 1863)
- Species Bulimulus devians Dohrn, 1863 accepted as Bostryx devians (Dohrn, 1863)
- Species Bulimulus diaphanus (L. Pfeiffer, 1855) accepted as Bulimulus fraterculus diaphanus (L. Pfeiffer, 1855)
- Species Bulimulus dismenicus Mabille, 1895 accepted as Naesiotus beldingi (J. G. Cooper, 1892)
- Species Bulimulus dormani (W. G. Binney, 1857) accepted as Drymaeus dormani (W. G. Binney, 1857)
- Species Bulimulus dukenfieldi Melvill, 1900
- Species Bulimulus durangoanus E. von Martens, 1893 accepted as Naesiotus durangoanus (E. von Martens, 1893)
- Species Bulimulus dysoni (L. Pfeiffer, 1846)
- Species Bulimulus effeminatus (Reeve, 1848)
- Species Bulimulus eganus (L. Pfeiffer, 1853)
- Species Bulimulus elatior Hylton Scott, 1952
- Species Bulimulus eocaenus Oppenheim, 1890 † accepted as Vicentinia eocaena (Oppenheim, 1890) †
- Species Bulimulus eos Odhner, 1951 accepted as Naesiotus eos (Odhner, 1951)
- Species Bulimulus ephippium Ancey, 1904 accepted as Simpulopsis ephippium (Ancey, 1904)
- Species Bulimulus erectus (Reeve, 1849)
- Species Bulimulus eschariferus (G. B. Sowerby I, 1838) accepted as Naesiotus eschariferus (G. B. Sowerby I, 1838)
- Species Bulimulus eudioptus Ihering, 1897 accepted as Simpulopsis eudioptus (Ihering, 1897)
- Species Bulimulus exilis (Gmelin, 1791) accepted as Bulimulus guadalupensis (Bruguière, 1789)
- Species Bulimulus eyriesii (Drouët, 1859)
- Species Bulimulus fazendicus Maury, 1935 †
- Species Bulimulus felipponei W. B. Marshall, 1930 accepted as Bulimulus hendersoni W. B. Marshall, 1931
- Species Bulimulus fenestrellus E. von Martens, 1863 accepted as Mesembrinus fenestrellus (E. von Martens, 1863)
- Species Bulimulus ferreirai Palma & Brito, 1974 † accepted as Leiostracus ferreirai (Palma & Brito, 1974) †
- Species Bulimulus flagellatus Pilsbry, 1896 accepted as Bostryx flagellatus (Pilsbry, 1896)
- Species Bulimulus flossdorfi Holmberg, 1909 accepted as Drymaeus flossdorfi (Holmberg, 1909)
- Species Bulimulus forreri Mousson, 1884 accepted as Drymaeus dunkeri forreri (Mousson, 1884)
- Species Bulimulus fourniersi (A. d'Orbigny, 1837)
- Species Bulimulus fraterculus (Potiez & Michaud, 1838)
- Species Bulimulus frenguellii Cabrera, Breure, Norbis & Martínez, 2021 †
- Species Bulimulus fuscus Guilding, 1828
- Species Bulimulus gabbi Crosse & P. Fischer, 1872 accepted as Naesiotus gabbi (Crosse & P. Fischer, 1872)
- Species Bulimulus gelidus (Reeve, 1849) accepted as Bulimulus bonariensis (Rafinesque, 1833)
- Species Bulimulus germaini Ancey, 1892 accepted as Drymaeus germaini (Ancey, 1892)
- Species Bulimulus gilderoyi Van Mol, 1972 accepted as Naesiotus cavagnaroi A. G. Smith, 1972
- Species Bulimulus gittenbergeri Breure, 1974
- Species Bulimulus glandiniformis G. B. Sowerby III, 1892
- Species Bulimulus glyptocephalus Pilsbry, 1897 accepted as Thaumastus glyptocephalus (Pilsbry, 1897)
- Species Bulimulus goniotropis Ancey, 1904 accepted as Leiostracus goniotropis (Ancey, 1904)
- Species Bulimulus gorritiensis Pilsbry, 1897
- Species Bulimulus gracilis Hylton Scott, 1948
- Species Bulimulus guadalupensis (Bruguière, 1789)
- Species Bulimulus guadeloupensis [sic] accepted as Bulimulus guadalupensis (Bruguière, 1789)
- Species Bulimulus haematospira Pilsbry, 1900 accepted as Naesiotus haematospira (Pilsbry, 1900)
- Species Bulimulus hannai Pilsbry, 1927 accepted as Naesiotus hannai (Pilsbry, 1927)
- Species Bulimulus haplochrous (L. Pfeiffer, 1855)
- Species Bulimulus heilprinianus Dall, 1890 † accepted as Tocobaga floridanus (Conrad, 1846) †
- Species Bulimulus hemphilli B. H. Wright, 1889 accepted as Mesembrinus dominicus (Reeve, 1850)
- Species Bulimulus hendersoni W. B. Marshall, 1931
- Species Bulimulus henselii E. von Martens, 1868 accepted as Drymaeus henselii (E. von Martens, 1868)
- Species Bulimulus hoodensis Dall, 1900 accepted as Naesiotus hoodensis (Dall, 1900)
- Species Bulimulus houelmontensis Mazé, 1883 accepted as Bulimulus fraterculus (Potiez & Michaud, 1838)
- Species Bulimulus hummelincki Breure, 1974
- Species Bulimulus hypodon Pilsbry, 1897 accepted as Euryptyxis labiosa (O. F. Müller, 1774)
- Species Bulimulus immaculatus (Reeve, 1850) accepted as Drymaeus immaculatus (Reeve, 1850)
- Species Bulimulus inconspicuus F. Haas, 1949 accepted as Mesembrinus inconspicuus (F. Haas, 1949)
- Species Bulimulus indefatigabilis Dall, 1900 accepted as Naesiotus indefatigabilis (Dall, 1900)
- Species Bulimulus indistinctus Guppy, 1868 accepted as Drymaeus binominis (E. A. Smith, 1895)
- Species Bulimulus inermis (Morelet, 1851)
- Species Bulimulus infundibulum L. Pfeiffer, 1853 accepted as Bostryx infundibulum infundibulum (L. Pfeiffer, 1853)
- Species Bulimulus inscendens (W. G. Binney, 1861) accepted as Rabdotus inscendens (W. G. Binney, 1861)
- Species Bulimulus interpunctus E. von Martens, 1886 accepted as Mesembrinus interpunctus (E. von Martens, 1886)
- Species Bulimulus inutilis (Reeve, 1850)
- Species Bulimulus involutus E. von Martens, 1867 accepted as Cochlorina involuta (E. von Martens, 1867)
- Species Bulimulus ischnus Pilsbry, 1902 accepted as Bostryx ischnus (Pilsbry, 1902)
- Species Bulimulus jacobi (G. B. Sowerby I, 1833) accepted as Naesiotus jacobi (G. B. Sowerby I, 1833)
- Species Bulimulus joergenseni Holmberg, 1912
- Species Bulimulus johnstoni Hanna, 1923
- Species Bulimulus jonasi (L. Pfeiffer, 1846) accepted as Mesembrinus jonasi (L. Pfeiffer, 1846)
- Species Bulimulus jujuyensis Holmberg, 1909 accepted as Bostryx tortoranus (Doering, 1879)
- Species Bulimulus juvenilis (L. Pfeiffer, 1855)
- Species Bulimulus klappenbachi (Parodiz, 1969) †
- Species Bulimulus koppeli G. B. Sowerby III, 1892 accepted as Mesembrinus koppeli (G. B. Sowerby III, 1892)
- Species Bulimulus krebsianus Pilsbry, 1897
- Species Bulimulus lamegoi (Maury, 1935) † accepted as Itaborahia lamegoi Maury, 1935 †
- Species Bulimulus lamellifer Pilsbry, 1897 accepted as Naesiotus dentifer lamellifer (Pilsbry, 1897)
- Species Bulimulus lapidivagus Mabille, 1895 accepted as Naesiotus spirifer (Gabb, 1868)
- Species Bulimulus latecolumellaris Preston, 1909 accepted as Scutalus latecolumellaris (Preston, 1909)
- Species Bulimulus laticinctus Guppy, 1868 accepted as Antidrymaeus multifasciatus laticinctus (Guppy, 1868)
- Species Bulimulus laxostylus Rolle, 1904 accepted as Drymaeus laxostylus (Rolle, 1904)
- Species Bulimulus lehmanni (L. Pfeiffer, 1865)
- Species Bulimulus lemoinei Cossmann, 1889 † accepted as Azeca lemoinei (Cossmann, 1889) †
- Species Bulimulus levini Hanna, 1923
- Species Bulimulus lherminieri (P. Fischer, 1857)
- Species Bulimulus limnaeoides (A. Férussac, 1832) accepted as Bulimulus limnoides (A. Férussac, 1832)
- Species Bulimulus limnoides (A. Férussac, 1832)
- Species Bulimulus lobbii (Reeve, 1849) accepted as Neopetraeus lobbii (Reeve, 1849)
- Species Bulimulus longaevus (Ancey, 1881) † accepted as Tocobaga floridanus (Conrad, 1846) †
- Species Bulimulus luteolus Ancey, 1901 accepted as Simpulopsis luteolus (Ancey, 1901)
- Species Bulimulus marcellanus Oppenheim, 1890 † accepted as Ischurostoma eocaenum (Oppenheim, 1890) †
- Species Bulimulus marcidus (L. Pfeiffer, 1853)
- Species Bulimulus mazei Crosse, 1874 accepted as Naesiotus mazei (Crosse, 1874)
- Species Bulimulus moei Parodiz, 1963 accepted as Bostryx apodemetes (A. d'Orbigny, 1835)
- Species Bulimulus mollicellus (Reeve, 1849)
- Species Bulimulus monachus (L. Pfeiffer, 1857)
- Species Bulimulus montagnei (A. d'Orbigny, 1837) accepted as Bostryx torallii (A. d'Orbigny, 1835)
- Species Bulimulus montevidensis (L. Pfeiffer, 1846) accepted as Bulimulus bonariensis (Rafinesque, 1833)
- Species Bulimulus montivagus (A. d'Orbigny, 1835) accepted as Naesiotus montivagus (A. d'Orbigny, 1835)
- Species Bulimulus moricandi (L. Pfeiffer, 1847) accepted as Mesembrinus moricandi (L. Pfeiffer, 1847)
- Species Bulimulus multifasciatus (Lamarck, 1822) accepted as Drymaeus multifasciatus (Lamarck, 1822)
- Species Bulimulus multilineatus (Say, 1825) accepted as Drymaeus multilineatus (Say, 1825)
- Species Bulimulus nichollsi (Angas, 1884) accepted as Bulimulus limnoides (A. Férussac, 1832)
- Species Bulimulus nigromontanus Dall, 1897 accepted as Naesiotus nigromontanus (Dall, 1897)
- Species Bulimulus nitidulus (L. Pfeiffer, 1839) accepted as Pupoides nitidulus (L. Pfeiffer, 1839)
- Species Bulimulus nitidulus H. Beck, 1837 accepted as Bulinus nitidus Broderip, 1832
- Species Bulimulus ocraspiris Branson & C. J. McCoy, 1965 accepted as Bulimulus unicolor (G. B. Sowerby I, 1833)
- Species Bulimulus olla Dall, 1893 accepted as Naesiotus olla (Dall, 1893)
- Species Bulimulus orbignyi (L. Pfeiffer, 1846)
- Species Bulimulus ouallensis Breure & Hovestadt, 2016
- Species Bulimulus pachys Pilsbry, 1897 accepted as Naesiotus pachys (Pilsbry, 1897)
- Species Bulimulus pallidior (G. B. Sowerby I, 1833) accepted as Naesiotus pallidior (G. B. Sowerby I, 1833)
- Species Bulimulus palpaloensis Strebel, 1882 accepted as Drymaeus emeus (Say, 1829)
- Species Bulimulus papyraceus (Mawe, 1823) accepted as Drymaeus papyraceus (Mawe, 1823)
- Species Bulimulus pergracilis Rolle, 1904 accepted as Mesembrinus pergracilis (Rolle, 1904)
- Species Bulimulus peruvianus (Bruguière, 1789) accepted as Plectostylus peruvianus (Bruguière, 1789)
- Species Bulimulus pervius (L. Pfeiffer, 1853)
- Species Bulimulus pessulatus (Reeve, 1849) accepted as Naesiotus apodemetes (A. d'Orbigny, 1835)
- Species Bulimulus phaeocheilus F. Haas, 1955 accepted as Scutalus phaeocheilus (F. Haas, 1955)
- Species Bulimulus piescheli E. von Martens, 1863 accepted as Drymaeus fenestratus (L. Pfeiffer, 1846)
- Species Bulimulus pilosus (Guppy, 1871) accepted as Protoglyptus pilosus (Guppy, 1871)
- Species Bulimulus pilsbryi Ferriss, 1925 accepted as Rabdotus pilsbryi (Ferriss, 1925)
- Species Bulimulus pliculatus (L. Pfeiffer, 1857)
- Species Bulimulus pliculosus Ancey, 1901
- Species Bulimulus pollonerae Ancey, 1897 accepted as Naesiotus pollonerae (Ancey, 1897)
- Species Bulimulus pouysseguri Holmberg, 1912
- Species Bulimulus primularis (Reeve, 1849) accepted as Drymaeus mexicanus primularis (Reeve, 1849)
- Species Bulimulus prosopidis Holmberg, 1912
- Species Bulimulus proteiformis Dohrn, 1863
- Species Bulimulus proteus (Broderip, 1832) accepted as Scutalus proteus (Broderip, 1832)
- Species Bulimulus psidii (E. von Martens, 1877)
- Species Bulimulus ptyalum Dall, 1910
- Species Bulimulus pygmaeus H. Adams, 1870
- Species Bulimulus ragsdalei Pilsbry, 1890 accepted as Rabdotus dealbatus ragsdalei (Pilsbry, 1890)
- Species Bulimulus raimondianus Pilsbry, 1896 accepted as Bostryx raimondianus (Pilsbry, 1896)
- Species Bulimulus recognitus Mabille, 1895 accepted as Rabdotus sufflatus (A. Gould, 1859)
- Species Bulimulus regularis (L. Pfeiffer, 1852) accepted as Beckianum regulare (L. Pfeiffer, 1852)
- Species Bulimulus remolina Dall, 1915 † accepted as Tocobaga floridanus (Conrad, 1846) †
- Species Bulimulus rhodolarnyx (Reeve, 1849) accepted as Bostryx rhodolarynx (Reeve, 1849)
- Species Bulimulus rhodotrema E. von Martens, 1868 accepted as Drymaeus tripictus (Albers, 1857)
- Species Bulimulus riisei (L. Pfeiffer, 1855)
- Species Bulimulus rushii Pilsbry, 1897
- Species Bulimulus sacrochrous Pilsbry, 1897
- Species Bulimulus saltensis Holmberg, 1909 accepted as Bulimulus bonariensis (Rafinesque, 1833)
- Species Bulimulus sanctacruzensis Hanna, 1923
- Species Bulimulus sanmarcosensis Pilsbry & H. N. Lowe, 1932
- Species Bulimulus santacruzensis Hanna, 1923 accepted as Rabdotus slevini (Hanna, 1923)
- Species Bulimulus sarcochrous Pilsbry, 1897 accepted as Thaumastus sarcochrous (Pilsbry, 1897)
- Species Bulimulus sarcodes (L. Pfeiffer, 1846)
- Species Bulimulus sargi Crosse & P. Fischer, 1875 accepted as Mesembrinus sargi (Crosse & P. Fischer, 1875)
- Species Bulimulus schadei Schlesch, 1935
- Species Bulimulus schiedanus [sic] accepted as Bulimulus schiedeanus (L. Pfeiffer, 1841)
- Species Bulimulus schiedeanus (L. Pfeiffer, 1841) accepted as Rabdotus alternatus (Say, 1830)
- Species Bulimulus semicinctus Pilsbry, 1897 accepted as Bulimulus lherminieri (P. Fischer, 1857)
- Species Bulimulus sepulcralis (Poey, 1852)
- Species Bulimulus simplex H. Beck, 1837 accepted as Bulimulus guadalupensis (Bruguière, 1789)
- Species Bulimulus slevini Hanna, 1923 accepted as Rabdotus slevini (Hanna, 1923)
- Species Bulimulus smeurorum Breure, 1974 accepted as Bostryx tyleri (Dall, 1912)
- Species Bulimulus snodgrassi Dall, 1900 accepted as Naesiotus snodgrassi (Dall, 1900)
- Species Bulimulus sporadicus (A. d'Orbigny, 1835) accepted as Bulimulus bonariensis sporadicus (A. d'Orbigny, 1835)
- Species Bulimulus stearnsii Dall, 1890 † accepted as Tocobaga floridanus (Conrad, 1846) †
- Species Bulimulus steerei Pilsbry, 1900 accepted as Scutalus steerei (Pilsbry, 1900)
- Species Bulimulus stenogyroides Guppy, 1868 accepted as Naesiotus stenogyroides (Guppy, 1868)
- Species Bulimulus stilbe Pilsbry, 1901
- Species Bulimulus stramineus Guilding, 1824 accepted as Antidrymaeus stramineus (Guilding, 1824)
- Species Bulimulus subcactorum Pilsbry, 1896 accepted as Bostryx subcactorum (Pilsbry, 1896)
- Species Bulimulus subspirifer Mabille, 1895 accepted as Naesiotus altus (Dall, 1893)
- Species Bulimulus subtruncatus E. A. Smith, 1892 accepted as Chilonopsis subtruncatus (E. A. Smith, 1892)
- Species Bulimulus sufflatus (A. Gould, 1859) accepted as Rabdotus sufflatus (A. Gould, 1859)
- Species Bulimulus sula Simone & Amaral, 2018
- Species Bulimulus sulphureus (L. Pfeiffer, 1857) accepted as Drymaeus sulphureus (L. Pfeiffer, 1857)
- Species Bulimulus tampae Dall, 1915 † accepted as Tocobaga floridanus (Conrad, 1846) †
- Species Bulimulus tenuissimus (A. Férussac, 1832)
- Species Bulimulus tenuissimus auctt., non A. Férussac, 1832
- Species Bulimulus thomei Weyrauch, 1967 accepted as Rhinus thomei (Weyrauch, 1967)
- Species Bulimulus tortilla Dall, 1915 † accepted as Tocobaga floridanus (Conrad, 1846) †
- Species Bulimulus totonacus Strebel, 1882 accepted as Mesembrinus totonacus (Strebel, 1882)
- Species Bulimulus transparens (Reeve, 1849)
- Species Bulimulus trifasciatus Leach, 1814 accepted as Bulimulus guadalupensis (Bruguière, 1789)
- Species Bulimulus trindadeae C. S. Ferreira & Coelho, 1971 †
- Species Bulimulus trindadensis Breure & Coelho, 1976 accepted as Vegrandinia trindadensis (Breure & Coelho, 1976)
- Species Bulimulus trogonius Dall, 1917 accepted as Naesiotus trogonius (Dall, 1917)
- Species Bulimulus tryoni Crosse & P. Fischer, 1875 accepted as Mesembrinus tryoni (Crosse & P. Fischer, 1875)
- Species Bulimulus turritella (A. d'Orbigny, 1835)
- Species Bulimulus turritellatus [sic] accepted as Bulimulus turritella (A. d'Orbigny, 1835)
- Species Bulimulus turtoni E. A. Smith, 1892 accepted as Chilonopsis turtoni (E. A. Smith, 1892)
- Species Bulimulus tyleri Dall, 1912 accepted as Bostryx tyleri (Dall, 1912)
- Species Bulimulus ucayalensis (Crosse, 1871)
- Species Bulimulus uhdeanus E. von Martens, 1863 accepted as Mesembrinus uhdeanus (E. von Martens, 1863)
- Species Bulimulus undulatus Guilding, 1828 accepted as Mesembrinus undulatus (Guilding, 1828)
- Species Bulimulus unicolor (G. B. Sowerby I, 1833)
- Species Bulimulus versicolor (De Cristofori & Jan, 1832)
- Species Bulimulus vesicalis (L. Pfeiffer, 1853)
- Species Bulimulus vincentinus (L. Pfeiffer, 1846) accepted as Drymaeus vincentinus (L. Pfeiffer, 1846)
- Species Bulimulus virgulatus (A. Férussac, 1821) accepted as Drymaeus elongatus (Röding, 1798)
- Species Bulimulus wiebesi Breure, 1974
- Species Bulimulus willineri Hylton Scott, 1957 accepted as Simpulopsis citrinovitreus (S. Moricand, 1836)
- Species Bulimulus ximenez Hanna, 1923
- Genus Cochlogena A. Férussac, 1821 accepted as Bulimulus Leach, 1814
- Genus Cochlorina Jan, 1830 (8)
- Genus Graptostracus Pilsbry, 1939 accepted as Leiostracus (Graptostracus) Pilsbry, 1939
- Genus Helicteres A. Férussac, 1821 accepted as Achatinella (Achatinellastrum) L. Pfeiffer, 1854
- Genus Kuschelenia Hylton Scott, 1951 accepted as Bocourtia (Kuschelenia) Hylton Scott, 1951
- Genus Llaucanianus Weyrauch, 1967 (1)
- Genus Loboa Ihering, 1917 accepted as Bulimulus Leach, 1814
- Genus Naesiotus Albers, 1850 (122)
- Genus Navicula Spix, 1827 accepted as Cochlorina Jan, 1830
- Genus Newboldius Pilsbry, 1932 (2)
- Genus Otostomus H. Beck, 1837 (1)
- Genus Oxychona Mörch, 1852 (8)
- Genus Pachyotus H. Beck, 1837 accepted as Auris Spix, 1827
- Genus Plecochilus Agassiz, 1846 accepted as Plekocheilus Guilding, 1827
- Genus Plicolumna J. G. Cooper, 1895 accepted as Rabdotus (Plicolumna) J. G. Cooper, 1895
- Genus Protoglyptus Pilsbry, 1897 (10)
- Genus Rabdotus Albers, 1850 (20)
- Genus Rhabdotus [sic] accepted as Rabdotus Albers, 1850
- Genus Rhaphiellus L. Pfeiffer, 1856 accepted as Naesiotus Albers, 1850
- Genus Rimatula Parodiz, 1946 accepted as Protoglyptus Pilsbry, 1897
- Genus Sanniostracus Salvador, F. S. Silva & Cavallari, 2023 (3)
- Genus Siphalomphix Rafinesque, 1833 accepted as Bulimulus Leach, 1814
- Genus Spartocentrum Dall, 1895 (5)
- Genus Sphaeroconcha Breure, 1978 (1)
- Genus Spiroscutalus Pilsbry, 1932 accepted as Scutalus Albers, 1850
- Genus Stenostoma Spix, 1827 accepted as Anctus E. von Martens, 1860
- Genus Stenostylus Pilsbry, 1898 (6)
- Genus Suniellus Breure, 1978 (5)
- Genus Teneritia J. Mabille, 1898 accepted as Rabdotus Albers, 1850
- Genus Xenothauma Fulton, 1896 accepted as Scutalus (Xenothauma) Fulton, 1896
- Genus Zaplagius Pilsbry, 1896 accepted as Cochlorina Jan, 1830
- Subfamily Odontostominae Pilsbry & Vanatta, 1898 accepted as Odontostomidae Pilsbry & Vanatta, 1898
- Subfamily Peltellinae Gray, 1855 (403)
- Genus Bulimus Bruguière, 1789
- Genus Liostracus [sic] accepted as Leiostracus Albers, 1850
- Family Cyclodontinidae Salvador & Breure, 2023 (110)
- Family Liguidae Pilsbry, 1891 accepted as Orthalicidae E. von Martens, 1860
- Family Megaspiridae Pilsbry, 1904 (58)
- Family Orthalicidae E. von Martens, 1860 (108)
- Family Placostylidae Pilsbry, 1946 accepted as Placostylinae Pilsbry, 1946
- Family Simpulopsidae Schileyko, 1999 (61)
- Family Tomogeridae Jousseaume, 1877 (24)
- 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