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- Mollusca (132 453)
- Subphylum Aculifera
- Subphylum Conchifera
- Subphylum Placophora accepted as Polyplacophora
- Superclass Aplacophora
- Class Amphineura accepted as Aculifera
- Class Bivalvia (24 898)
- Class Caudofoveata (143)
- Class Cephalopoda (1 810)
- Class Conchifera accepted as Bivalvia
- Class Cricoconarida † (1)
- Class Gastropoda (102 494)
- Subclass Amphigastropoda † (382)
- Subclass Angiogastropoda represented as Gastropoda
- Subclass Apogastropoda
- Subclass Caenogastropoda (53 462)
- Subclass Gastropoda incertae sedis (307)
- Subclass Heterobranchia (39 144)
- Infraclass "Lower Heterobranchia" (1 137)
- Infraclass Euthyneura (37 421)
- Subterclass Acteonimorpha (411)
- Subterclass Ringipleura (2 916)
- Subterclass Tectipleura (34 094)
- Superorder Acochlidiimorpha (48)
- Superorder Ascoglossa accepted as Sacoglossa
- Superorder Basommatophora accepted as Hygrophila
- Superorder Eupulmonata (25 561)
- Order Aillyida accepted as Achatinina
- Order Ellobiida (580)
- Order Gymnomorpha accepted as Systellommatophora
- Order Stylommatophora (24 757)
- Suborder Achatinina (2 899)
- Suborder Elasmognatha accepted as Succineoidei
- Suborder Helicina (21 618)
- Infraorder Arionoidei (139)
- Infraorder Clausilioidei (1 859)
- Infraorder Helicina incertae sedis (3 208)
- Infraorder Helicoidei (5 687)
- Infraorder Limacoidei (4 251)
- Infraorder Oleacinoidei (497)
- Infraorder Orthalicoidei (1 577)
- Infraorder Partuloinei accepted as Pupilloidei
- Infraorder Pupilloidei (3 435)
- Infraorder Rhytidoidei (581)
- Infraorder Sagdoinei accepted as Helicoidei
- Infraorder Succineoidei (384)
- Superfamily Athoracophoroidea P. Fischer, 1883 (1860) (40)
- Superfamily Succineoidea Beck, 1837 (344)
- Family Succineidae H. Beck, 1837 (344)
- Subfamily Catinellinae Odhner, 1950 (38)
- Subfamily Hyalimacinae Godwin-Austen, 1882 accepted as Succineinae H. Beck, 1837
- Subfamily Oxylomatinae Schileyko & I. M. Likharev, 1986 accepted as Succineinae H. Beck, 1837 (37)
- Subfamily Succineinae H. Beck, 1837 (264)
- Genus Amphibina W. Hartmann, 1821 accepted as Succinea Draparnaud, 1801
- Genus Arborcinea Iredale, 1937 accepted as Succinea Draparnaud, 1801
- Genus Austrosuccinea Iredale, 1937 accepted as Succinea Draparnaud, 1801
- Genus Boninosuccinea T. Habe, 1956 (2)
- Genus Brachyspira L. Pfeiffer, 1855 † accepted as Succinea (Brachyspira) L. Pfeiffer, 1855 (2)
- Genus Camptonyx W. H. Benson, 1858 (1)
- Genus Cerinasota Iredale, 1939 accepted as Succinea Draparnaud, 1801
- Genus Cochlohydra A. Férussac, 1821 accepted as Succinea Draparnaud, 1801
- Genus Helisiga R. P. Lesson, 1831 (1)
- Genus Homalonyx Ancey, 1881 accepted as Omalonyx A. d'Orbigny, 1838
- Genus Hyalimax H. Adams & A. Adams, 1855 (6)
- Genus Laxisuccinea C. M. Cooke, 1921 † (2)
- Genus Lithotis W. T. Blanford, 1863 (2)
- Genus Lucena Hartmann, 1821 accepted as Succinea Draparnaud, 1801
- Genus Neohyalimax Simroth, 1896 accepted as Omalonyx A. d'Orbigny, 1838
- Genus Neosuccinea Matekin, 1956 (3)
- Genus Novisuccinea Schileyko & I. M. Likharev, 1986 (9)
- Genus Omalonyx A. d'Orbigny, 1838 (5)
- Genus Pamirsuccinea Schileyko & I. M. Likharev, 1986 (1)
- Genus Papusuccinea Iredale, 1941 accepted as Succinea (Papusuccinea) Solem, 1959
- Genus Spirancinea Iredale, 1945 accepted as Succinea Draparnaud, 1801
- Genus Succinea Draparnaud, 1801 (227)
- Subgenus Succinea (Amphibina) W. Hartmann, 1821 accepted as Succinea Draparnaud, 1801
- Subgenus Succinea (Austrosuccinea) Iredale, 1937 accepted as Succinea Draparnaud, 1801
- Subgenus Succinea (Brachyspira) L. Pfeiffer, 1855 represented as Succinea Draparnaud, 1801
- Subgenus Succinea (Calcisuccinea) Pilsbry, 1948 represented as Succinea Draparnaud, 1801
- Subgenus Succinea (Desmosuccinea) G. R. Webb, 1954 represented as Succinea Draparnaud, 1801
- Subgenus Succinea (Heysuccinea) G. R. Webb, 1953 represented as Succinea Draparnaud, 1801
- Subgenus Succinea (Hyalimax) H. Adams & A. Adams, 1855 accepted as Hyalimax H. Adams & A. Adams, 1855
- Subgenus Succinea (Hydrophyga) Lindholm, 1927 accepted as Succinella Mabille, 1871
- Subgenus Succinea (Hydrotropa) Lindholm, 1927 accepted as Oxyloma Westerlund, 1885
- Subgenus Succinea (Kondosuccinea) Patterson, 1989 represented as Succinea Draparnaud, 1801
- Subgenus Succinea (Lithotis) W. T. Blanford, 1863 accepted as Lithotis W. T. Blanford, 1863
- Subgenus Succinea (Neritostoma) Mörch, 1864, non Adams, 1855 accepted as Succinea Draparnaud, 1801
- Subgenus Succinea (Novisuccinea) Schileyko & I. M. Likharev, 1986 accepted as Novisuccinea Schileyko & I. M. Likharev, 1986
- Subgenus Succinea (Omalonyx) A. d'Orbigny, 1838 accepted as Omalonyx A. d'Orbigny, 1838
- Subgenus Succinea (Oxyloma) Westerlund, 1885 accepted as Oxyloma Westerlund, 1885
- Subgenus Succinea (Papusuccinea) Solem, 1959 accepted as Succinea Draparnaud, 1801
- Subgenus Succinea (Pellicula) P. Fischer, 1856 accepted as Pellicula P. Fischer, 1856
- Subgenus Succinea (Simpulopsis) H. Beck, 1837 accepted as Simpulopsis H. Beck, 1837
- Subgenus Succinea (Succinastrum) Mabille, 1871 accepted as Succinea Draparnaud, 1801
- Subgenus Succinea (Succinea) Draparnaud, 1801 represented as Succinea Draparnaud, 1801
- Subgenus Succinea (Succinella) Mabille, 1871 accepted as Succinella Mabille, 1871
- Subgenus Succinea (Tapada) S. Studer, 1820 accepted as Succinea Draparnaud, 1801
- Subgenus Succinea (Truella) Pease, 1871 represented as Succinea Draparnaud, 1801
- Species Succinea abbreviata Morelet, 1845 accepted as Succinella oblonga (Draparnaud, 1801)
- Species Succinea acuminata W. T. Blanford, 1869
- Species Succinea adowensis Bourguignat, 1883 accepted as Succinea rugulosa Morelet, 1872
- Species Succinea aegyptiaca Ehrenberg, 1831
- Species Succinea aequinoctialis (A. d'Orbigny, 1838)
- Species Succinea aethiopica Bourguignat, 1883
- Species Succinea aetusa [sic] accepted as Succinea retusa I. Lea, 1834
- Species Succinea affinis Reuss, 1849 † accepted as Oxyloma affine (Reuss, 1849) †
- Species Succinea africana Krauss, 1848
- Species Succinea agonostoma Küster, 1856
- Species Succinea alluaudi Dautzenberg, 1908
- Species Succinea alpestris Möllendorff, 1875
- Species Succinea altaica E. von Martens, 1871 accepted as Novisuccinea altaica (E. von Martens, 1871)
- Species Succinea amoena Küster, 1856
- Species Succinea amoi C. M. Cooke & Clench, 1945
- Species Succinea amphibia Draparnaud, 1801 accepted as Succinea putris (Linnaeus, 1758)
- Species Succinea ampulacea E. von Martens, 1898
- Species Succinea andecola Crawford, 1939
- Species Succinea angustior C. B. Adams, 1849
- Species Succinea annexa Westerlund, 1883 accepted as Novisuccinea strigata (L. Pfeiffer, 1855)
- Species Succinea antiqua Colbeau, 1867 † accepted as Catinella antiqua (Colbeau, 1867) †
- Species Succinea aperta I. Lea, 1838
- Species Succinea aperta J. C. Cox, 1868 accepted as Succinea scalarina L. Pfeiffer, 1861
- Species Succinea apicalis Ancey, 1904
- Species Succinea apicalis Baldwin, 1893
- Species Succinea appendiculata L. Pfeiffer, 1847
- Species Succinea approximans Shuttleworth, 1854
- Species Succinea approximata G. B. Sowerby II, 1872
- Species Succinea aprica R. A. Philippi, 1858
- Species Succinea arangoi L. Pfeiffer, 1866
- Species Succinea arborea Mousson, 1888 accepted as Succinea arboricola Connolly, 1912
- Species Succinea arborea A. Adams & Angas, 1864
- Species Succinea arboricola Connolly, 1912
- Species Succinea arboricola H. S. Rao, 1925 accepted as Succinea raoi N. V. Subba Rao & Mitra, 1976
- Species Succinea archeyi A. W. B. Powell, 1933
- Species Succinea arenaria Potiez & Michaud, 1838 accepted as Quickella arenaria (Potiez & Michaud, 1838)
- Species Succinea argentina Miquel, Rapacioli & Meneghini, 2019
- Species Succinea arundinetorum Heude, 1882
- Species Succinea asperula L. Pfeiffer, 1857
- Species Succinea aurea I. Lea, 1841 accepted as Mediappendix vermeta (Say, 1829)
- Species Succinea aurea Hylton Scott, 1945 accepted as Succinea aurita Hylton Scott, 1952
- Species Succinea aurita Hylton Scott, 1952
- Species Succinea aurulenta Ancey, 1889
- Species Succinea australis (A. Férussac, 1821)
- Species Succinea avara Say, 1824
- Species Succinea baconi L. Pfeiffer, 1855
- Species Succinea badia Morelet, 1867
- Species Succinea bakeri Hubricht, 1963
- Species Succinea baldwini Ancey, 1889 accepted as Catinella baldwini (Ancey, 1889)
- Species Succinea baoyueensis W. Yü & X.-Q. Zhang, 1982 †
- Species Succinea barbadensis Guilding, 1828
- Species Succinea barberi (W. B. Marshall, 1926) accepted as Oxyloma barberi (W. B. Marshall, 1926)
- Species Succinea baumanni Sturany, 1894
- Species Succinea bayardi Vanatta, 1914 accepted as Succinea wilsonii I. Lea, 1864
- Species Succinea bellardii Pollonera, 1888 †
- Species Succinea bensoni L. Pfeiffer, 1850 accepted as Quickia bensoni (L. Pfeiffer, 1850)
- Species Succinea bequaerti Pilsbry, 1919
- Species Succinea bermudensis L. Pfeiffer, 1857
- Species Succinea bernardi [sic] accepted as Succinea bernardii Récluz, 1852
- Species Succinea bernardii Récluz, 1852
- Species Succinea bertrandi Fontannes, 1884 †
- Species Succinea bettii E. A. Smith, 1877
- Species Succinea bicolorata Ancey, 1899
- Species Succinea bofilli Fagot, 1884
- Species Succinea bogotensis L. Pfeiffer, 1866
- Species Succinea boissyi Deshayes, 1863 †
- Species Succinea bowkeri Melvill & Ponsonby, 1893 accepted as Succinea striata Krauss, 1848
- Species Succinea brasiliensis S. Moricand, 1836 accepted as Simpulopsis brasiliensis (S. Moricand, 1836)
- Species Succinea brevior E. A. Smith, 1877
- Species Succinea brevis Dunker, 1850
- Species Succinea brevispira Deshayes, 1863 †
- Species Succinea brumpti Rochebrune & Germain, 1904
- Species Succinea bulimoides L. Pfeiffer, 1842 accepted as Plekocheilus succineoides (Petit de la Saussaye, 1840)
- Species Succinea bullina L. Pfeiffer, 1848 accepted as Amphibulima rubescens (Deshayes, 1830)
- Species Succinea burmeisteri Döring, 1873
- Species Succinea buschii L. Pfeiffer, 1842 accepted as Plectostylus buschii (L. Pfeiffer, 1842)
- Species Succinea caduca Mighels, 1845
- Species Succinea californica Crosse & P. Fischer, 1878
- Species Succinea calumetensis Calkins, 1878 accepted as Oxyloma retusum (I. Lea, 1834)
- Species Succinea campestris Say, 1817
- Species Succinea candeana I. Lea, 1841
- Species Succinea canella A. Gould, 1846
- Species Succinea carectorum Heude, 1882
- Species Succinea carmenensis P. Fischer & Crosse, 1878
- Species Succinea casta Ancey, 1899
- Species Succinea castroi Locard, 1894
- Species Succinea celebica Bollinger, 1918
- Species Succinea cepulla A. Gould, 1846
- Species Succinea ceylanica L. Pfeiffer, 1855 accepted as Indosuccinea crassinuclea (L. Pfeiffer, 1846)
- Species Succinea chefneuxi Bourguignat, 1885
- Species Succinea chiloensis L. Pfeiffer, 1848
- Species Succinea chinensis L. Pfeiffer, 1857 accepted as Neosuccinea chinensis (L. Pfeiffer, 1857)
- Species Succinea chittenangoensis Pilsbry, 1908 accepted as Novisuccinea chittenangoensis (Pilsbry, 1908)
- Species Succinea chrysis Westerlund, 1883 accepted as Novisuccinea strigata (L. Pfeiffer, 1855)
- Species Succinea chudeaui Germain, 1907
- Species Succinea cingulata Forbes, 1850
- Species Succinea cinnamomea Ancey, 1889
- Species Succinea citrina L. Pfeiffer, 1859 accepted as Succinea luteola A. Gould, 1848
- Species Succinea clarionensis Dall, 1926
- Species Succinea cleopatrae Pallary, 1909 accepted as Oxyloma cleopatrae (Pallary, 1909)
- Species Succinea cochinchinensis Crosse & P. Fischer, 1863
- Species Succinea cochinchinensis L. Pfeiffer, 1864 accepted as Succinea cochinchinensis Crosse & P. Fischer, 1863
- Species Succinea collina Hanley & Theobald, 1873
- Species Succinea colorata P. Fischer & Crosse, 1877
- Species Succinea comorensis Fischer-Piette & Vukadinovic, 1974
- Species Succinea concisa Morelet, 1848 accepted as Quickia concisa (Morelet, 1848)
- Species Succinea concordialis A. Gould, 1848
- Species Succinea congoensis Pilsbry, 1919
- Species Succinea connollyi Preston, 1912 accepted as Oxyloma connollyi (Preston, 1912)
- Species Succinea consoni [sic] accepted as Succinea bensoni L. Pfeiffer, 1850
- Species Succinea contenta (Iredale, 1939)
- Species Succinea contorta C. B. Adams, 1845
- Species Succinea convexa E. von Martens, 1868 accepted as Omalonyx convexus (E. von Martens, 1868)
- Species Succinea corbis Dall, 1893
- Species Succinea cordovana P. Fischer & Crosse, 1877
- Species Succinea corsica Shuttleworth, 1843 accepted as Oxyloma elegans (Risso, 1826)
- Species Succinea corticalis E. von Martens, 1895
- Species Succinea costaricana E. von Martens, 1898
- Species Succinea costaricensis E. von Martens, 1898 accepted as Succinea costaricana E. von Martens, 1898
- Species Succinea costulosa Pease, 1865
- Species Succinea coxi Finlay, 1927 accepted as Succinea scalarina L. Pfeiffer, 1861
- Species Succinea crassinuclea L. Pfeiffer, 1849 accepted as Indosuccinea crassinuclea (L. Pfeiffer, 1846)
- Species Succinea crassiuscula L. Pfeiffer, 1853 accepted as Succinea crassinuclea L. Pfeiffer, 1849
- Species Succinea crisfieldi R. W. Jackson, 1958 accepted as Succinea wilsonii I. Lea, 1864
- Species Succinea crocata A. Gould, 1846
- Species Succinea cryptica Tillier, 1981
- Species Succinea cucullus (Morelet, 1849)
- Species Succinea cuvieri (Gmelin, 1791)
- Species Succinea cygnorum Pilsbry, 1930
- Species Succinea dakaensis Sturany, 1898
- Species Succinea daucina L. Pfeiffer, 1855
- Species Succinea debilis L. Pfeiffer, 1859 accepted as Oxyloma elegans (Risso, 1826)
- Species Succinea debilis Ping, 1929 † accepted as Succinea pfeifferi Rossmässler, 1835
- Species Succinea decampii Tryon, 1866 accepted as Oxyloma decampii (Tryon, 1866)
- Species Succinea decussata Möllendorff, 1892
- Species Succinea degagei Garrett, 1879
- Species Succinea delalandii L. Pfeiffer, 1851 accepted as Succinea exarata Krauss, 1848
- Species Succinea delicata Ancey, 1889
- Species Succinea deperdita Fagot, 1879
- Species Succinea depressa Rang, 1835 accepted as Pellicula depressa (Rang, 1835)
- Species Succinea diserta Schileyko & I. M. Likharev, 1986 accepted as Novisuccinea diserta Schileyko & I. M. Likharev, 1986
- Species Succinea dolphin C. M. Cooke & Clench, 1945
- Species Succinea dominicensis L. Pfeiffer, 1853
- Species Succinea dongyingensis Youluo, 1978 †
- Species Succinea donneti L. Pfeiffer, 1853
- Species Succinea dorri Dautzenberg, 1890
- Species Succinea drnisana Brusina, 1897 † accepted as Oxyloma drnisanum (Brusina, 1897) †
- Species Succinea dunkeri L. Pfeiffer, 1865 accepted as Oxyloma dunkeri (L. Pfeiffer, 1865)
- Species Succinea effusa L. Pfeiffer, 1853 accepted as Oxyloma effusum (L. Pfeiffer, 1853)
- Species Succinea elegans Risso, 1826 accepted as Oxyloma elegans (Risso, 1826)
- Species Succinea elegans Ping, 1931 †
- Species Succinea elegans L. Pfeiffer, 1842 accepted as Plectostylus elegans (L. Pfeiffer, 1842)
- Species Succinea elegans Quick, 1933 accepted as Oxyloma sarsii (Esmark, 1886)
- Species Succinea elegantior Amin-ud-Din, 1921
- Species Succinea elongata Pease, 1870
- Species Succinea erythrophana Ancey, 1883
- Species Succinea eucalypti J. C. Cox, 1864 accepted as Succinea australis (A. Férussac, 1821)
- Species Succinea eussoensis Preston, 1912
- Species Succinea evoluta E. von Martens, 1879 accepted as Novisuccinea evoluta (E. von Martens, 1879)
- Species Succinea exarata Krauss, 1848
- Species Succinea exile A. B. Leonard, 1972 accepted as Mediappendix exilis (A. B. Leonard, 1972)
- Species Succinea explanata A. Gould, 1852 accepted as Catinella explanata (A. Gould, 1852)
- Species Succinea exstincta Fagot, 1879
- Species Succinea falklandica E. A. Smith, 1884
- Species Succinea fargesiana Heude, 1885
- Species Succinea felipponei W. B. Marshall, 1926
- Species Succinea fernandeziana R. A. Philippi, 1858
- Species Succinea fernandi G. B. Sowerby II, 1872
- Species Succinea fischeri Gassies, 1871
- Species Succinea flexilis Quick, 1957
- Species Succinea floridana Pilsbry, 1905
- Species Succinea forsheyi I. Lea, 1864 accepted as Succinea concordialis A. Gould, 1848
- Species Succinea fragilis Souleyet, 1852 accepted as Succinea cepulla A. Gould, 1846
- Species Succinea fulgens I. Lea, 1841
- Species Succinea gabbii Tryon, 1866 accepted as Mediappendix gabbii (Tryon, 1866)
- Species Succinea gabrieli Tomlin, 1932 accepted as Succinea bermudensis L. Pfeiffer, 1857
- Species Succinea garrettiana Ancey, 1899
- Species Succinea gayana (A. d'Orbigny, 1835)
- Species Succinea gibba Henshaw, 1904
- Species Succinea gimlettei H. K. Jones & Preston, 1910
- Species Succinea girnarica Theobald, 1859
- Species Succinea gladiator Schileyko & I. M. Likharev, 1986
- Species Succinea globispira E. von Martens, 1898
- Species Succinea globosa Tristram, 1865
- Species Succinea godivariana Gude, 1914
- Species Succinea goleahensis P. Fischer, 1891
- Species Succinea gouldiana L. Pfeiffer, 1850
- Species Succinea gracilis Lörenthey, 1895 † accepted as Papyrotheca pseudogyra Brusina, 1893 †
- Species Succinea gracilis I. Lea, 1841
- Species Succinea granata Ping, 1931 †
- Species Succinea granulosa Lindholm, 1927 accepted as Novisuccinea evoluta (E. von Martens, 1879)
- Species Succinea gravelyi H. S. Rao, 1924 accepted as Quickia gravelyi (H. S. Rao, 1924)
- Species Succinea greerii Tryon, 1866 accepted as Succinea grosvenorii I. Lea, 1864
- Species Succinea groenlandica Møller, 1842 accepted as Oxyloma elegans groenlandica (Møller, 1842)
- Species Succinea grosvenorii I. Lea, 1864
- Species Succinea guadalupensis [sic] accepted as Succinea guadelupensis Dall, 1900
- Species Succinea guadelupensis Dall, 1900
- Species Succinea guamensis L. Pfeiffer, 1857
- Species Succinea guatemalensis Morelet, 1849
- Species Succinea gundlachi L. Pfeiffer, 1852
- Species Succinea gutturosa Küster, 1856
- Species Succinea gyrata J. S. Gibbons, 1879
- Species Succinea haleana I. Lea, 1864 accepted as Succinea concordialis A. Gould, 1848
- Species Succinea halei "I. Lea, 1866" accepted as Succinea haleana I. Lea, 1864
- Species Succinea haliotidea Mittre, 1841
- Species Succinea hanleyi Gude, 1914
- Species Succinea hararensis Connolly, 1928
- Species Succinea haustrellum Rehder, 1942
- Species Succinea hawkinsii Baird, 1863 accepted as Oxyloma hawkinsii (Baird, 1863)
- Species Succinea haydeni W. G. Binney, 1858 accepted as Oxyloma haydeni (W. G. Binney, 1858)
- Species Succinea headonensis Wenz, 1919 †
- Species Succinea helicoidea A. Gould, 1850
- Species Succinea henanensis Y.-T. Li, 1983 †
- Species Succinea higginsi Tryon, 1866 accepted as Oxyloma retusum (I. Lea, 1834)
- Species Succinea higginsi Bland, 1866 accepted as Oxyloma retusum (I. Lea, 1834)
- Species Succinea hirasei Pilsbry, 1901 accepted as Oxyloma hirasei (Pilsbry, 1901)
- Species Succinea hopeiensis Ping, 1931 † accepted as Oxyloma elegans (Risso, 1826)
- Species Succinea horticola Reinhardt, 1877 accepted as Neosuccinea horticola (Reinhardt, 1877)
- Species Succinea hortulana Morelet, 1851
- Species Succinea humerosa Preston, 1913 † accepted as Spirancinea norfolkensis (Sykes, 1900)
- Species Succinea humerosa A. Gould, 1846
- Species Succinea hungarica Hazay, 1880 accepted as Oxyloma dunkeri (L. Pfeiffer, 1865)
- Species Succinea hyalina Shuttleworth, 1854
- Species Succinea hygrophila Heude, 1884 accepted as Succinea erythrophana Ancey, 1883
- Species Succinea ikiana Pilsbry & Y. Hirase, 1904 accepted as Neosuccinea horticola (Reinhardt, 1877)
- Species Succinea illinoisensis W. G. Binney, 1885 accepted as Mediappendix vermeta (Say, 1829)
- Species Succinea illinoisensis F. C. Baker, 1906 accepted as Oxyloma peoriense (B. Walker, 1892)
- Species Succinea imperialis W. H. Benson, 1851 accepted as Helisiga sanctaehelenae R. P. Lesson, 1831
- Species Succinea imperspicua S. V. Wood, 1851 †
- Species Succinea inconspicua Ancey, 1899
- Species Succinea indiana Pilsbry, 1905
- Species Succinea indica L. Pfeiffer, 1849
- Species Succinea inflata I. Lea, 1841 accepted as Succinea campestris Say, 1817
- Species Succinea infundibuliformis A. Gould, 1846
- Species Succinea insularis Mousson, 1887
- Species Succinea interioris Tate, 1894
- Species Succinea jacquemeti Locard, 1894 † accepted as Succinella oblonga jacquemeti (Locard, 1894) †
- Species Succinea javanica Schepman, 1912 accepted as Indosuccinea minuta (E. von Martens, 1867)
- Species Succinea joinvillensis Bourguignat, 1869 †
- Species Succinea keelingensis Abbott, 1950
- Species Succinea kempi Preston, 1912
- Species Succinea kervillei Germain, 1911
- Species Succinea kobelti Hazay, 1880
- Species Succinea konaensis Sykes, 1897
- Species Succinea kuhnsi Ancey, 1904
- Species Succinea kuntziana Solem, 1959
- Species Succinea labiosa R. A. Philippi, 1860
- Species Succinea latior C. B. Adams, 1849
- Species Succinea lauta A. Gould, 1859
- Species Succinea lauzannei Germain, 1909
- Species Succinea lauzanni Germain, 1909 accepted as Succinea lauzannei Germain, 1909
- Species Succinea lebruni Mabille, 1884
- Species Succinea legrandi Legrand, 1871 accepted as Succinea australis (A. Férussac, 1821)
- Species Succinea lessensis Pilsbry, 1919
- Species Succinea levantina Deshayes, 1835 accepted as Oxyloma elegans (Risso, 1826)
- Species Succinea limicola Morelet, 1872
- Species Succinea limnaeiformis H. S. Rao, 1924
- Species Succinea lineata W. G. Binney, 1857 accepted as Succinea grosvenorii I. Lea, 1864
- Species Succinea lingulata X.-G. Zhu, 1985 †
- Species Succinea listeri E. A. Smith, 1889
- Species Succinea longiscata Morelet, 1845
- Species Succinea lopesi Lanzieri, 1966
- Species Succinea lowei Dohrn, 1869 accepted as Quickia lowei (Dohrn, 1869)
- Species Succinea lumbalis A. Gould, 1846
- Species Succinea luteola A. Gould, 1848
- Species Succinea lutescens G. B. Sowerby II, 1872 accepted as Succinea luteola A. Gould, 1848
- Species Succinea lutosa Pilsbry, 1926
- Species Succinea lutulenta Ancey, 1889
- Species Succinea lyrata A. Gould, 1859 accepted as Novisuccinea lyrata (A. Gould, 1859)
- Species Succinea macgillivrayi J. C. Cox, 1864
- Species Succinea macta Poey, 1858
- Species Succinea magellanica A. Gould, 1846
- Species Succinea magnaciana Heude, 1882
- Species Succinea major Risso, 1826 accepted as Oxyloma elegans (Risso, 1826)
- Species Succinea manaosensis Pilsbry, 1926
- Species Succinea manuana A. Gould, 1846
- Species Succinea maresi Bourguignat, 1862 †
- Species Succinea margarita L. Pfeiffer, 1853
- Species Succinea marianita (Cousin, 1887)
- Species Succinea marioni Saporta, 1889 †
- Species Succinea martensiana G. Nevill, 1878 accepted as Novisuccinea martensiana (G. Nevill, 1878)
- Species Succinea martini (Jousseaume, 1887)
- Species Succinea martinovici Brusina, 1902 † accepted as Succinella martinovici (Brusina, 1902) †
- Species Succinea masafuerae Odhner, 1922
- Species Succinea mascarenensis G. Nevill, 1870 accepted as Quickia concisa (Morelet, 1848)
- Species Succinea mascarensis G. Nevill, 1870 accepted as Quickia concisa (Morelet, 1848)
- Species Succinea masoala K. C. Emberton & O. L. Griffiths, 2009
- Species Succinea mauiensis Ancey, 1889
- Species Succinea maxima Henshaw, 1904
- Species Succinea mcgregori Pilsbry, 1898
- Species Succinea mediolanensis L. Pfeiffer, 1853 accepted as Oxyloma elegans (Risso, 1826)
- Species Succinea meneleki Bourguignat, 1885
- Species Succinea menkeana L. Pfeiffer, 1849
- Species Succinea meridionalis A. d'Orbigny, 1846
- Species Succinea michaudi Locard, 1878 † accepted as Oxyloma michaudi (Locard, 1878) †
- Species Succinea milneedwardsi Bourguignat, 1877
- Species Succinea minima Klein, 1853 † accepted as Oxyloma minimum (Klein, 1853) †
- Species Succinea minuta E. von Martens, 1867 accepted as Indosuccinea minuta (E. von Martens, 1867)
- Species Succinea minuta M. Bielz, 1851
- Species Succinea mirabilis Henshaw, 1904
- Species Succinea modesta A. Gould, 1846
- Species Succinea monticula C. Semper, 1873
- Species Succinea montrouzieri Crosse, 1867
- Species Succinea mooresiana I. Lea, 1864 accepted as Succinea grosvenorii I. Lea, 1864
- Species Succinea moussoni E. von Martens, 1904 accepted as Succinea badia Morelet, 1867
- Species Succinea munita A. Gould, 1851 accepted as Succinea concordialis A. Gould, 1848
- Species Succinea nagpurensis Hislop, 1860 †
- Species Succinea nepeanensis Preston, 1913 accepted as Spirancinea norfolkensis (Sykes, 1900)
- Species Succinea nevilli Morelet, 1877 accepted as Succinea comorensis Fischer-Piette & Vukadinovic, 1974
- Species Succinea nevilli Crosse, 1873 accepted as Succinea concisa Morelet, 1848
- Species Succinea newcombi L. Pfeiffer, 1855 accepted as Succinea rotundata A. Gould, 1846
- Species Succinea newcombiana Garrett, 1857
- Species Succinea newcombianum Garrett, 1857 accepted as Succinea newcombiana Garrett, 1857
- Species Succinea niangtzeiensis Ping, 1931 † accepted as Radix plicatula (W. H. Benson, 1842)
- Species Succinea nobilis Poey, 1853
- Species Succinea norfolkensis Sykes, 1900
- Species Succinea normalis Ancey, 1881
- Species Succinea nortoni J. C. Cox, 1864 accepted as Austrosuccinea macgillivrayi (J. C. Cox, 1864)
- Species Succinea nuttalliana I. Lea, 1841 accepted as Oxyloma nuttalliana (I. Lea, 1841)
- Species Succinea nyassana Dupuis & Putzeys, 1923
- Species Succinea obesa E. von Martens, 1867
- Species Succinea obliqua Say, 1824 accepted as Succinea (Novisuccinea) ovalis Say, 1817
- Species Succinea oblonga Draparnaud, 1801 accepted as Succinella oblonga (Draparnaud, 1801)
- Variety Succinea oblonga var. armenica Mousson, 1876 accepted as Oxyloma elegans (Risso, 1826)
- Variety Succinea oblonga var. diluviana Andreae, 1884 †
- Variety Succinea oblonga var. jacquemeti Locard, 1894 † accepted as Succinella oblonga jacquemeti (Locard, 1894) †
- Variety Succinea oblonga var. ragnebertensis Locard, 1879 †
- Variety Succinea oblonga var. schumacheri Andreae, 1884 † accepted as Succinella oblonga (Draparnaud, 1801)
- Species Succinea oblonga Menke, 1844 accepted as Succinea contenta (Iredale, 1939)
- Species Succinea obtusa G. B. Sowerby I, 1822
- Species Succinea ochracina L. Pfeiffer, 1858
- Species Succinea ogasawarae Pilsbry, 1901 accepted as Boninosuccinea ogasawarae (Pilsbry, 1901)
- Species Succinea omanensis Neubert & Van Damme, 2012 † accepted as Eoquickia omanensis (Neubert & Van Damme, 2012) †
- Species Succinea ordinaria E. A. Smith, 1905
- Species Succinea oregonensis I. Lea, 1841
- Species Succinea orientalis W. H. Benson, 1851 accepted as Oxyloma orientalis (W. H. Benson, 1851)
- Species Succinea ovalis Say, 1817 accepted as Novisuccinea ovalis (Say, 1817)
- Species Succinea ovalis A. Gould, 1841 accepted as Oxyloma decampii gouldi Pilsbry, 1948
- Species Succinea ovata G. B. Sowerby I, 1822 accepted as Simpulopsis ovata (G. B. Sowerby I, 1822)
- Species Succinea pallida L. Pfeiffer, 1847
- Species Succinea palliolum F. Sandberger, 1871 †
- Species Succinea panamensis Pilsbry, 1920
- Species Succinea panucoensis Pilsbry, 1910
- Species Succinea papillata L. Pfeiffer, 1850
- Species Succinea papillispira C. A. White, 1876 †
- Species Succinea papuana Strubell, 1895 accepted as Succinea strubelli Strubell, 1895
- Species Succinea papyrotheca Brusina, 1902 † accepted as Papyrotheca pseudogyra Brusina, 1893 †
- Species Succinea paralia Hubricht, 1983
- Species Succinea parscovensis Cobălcescu, 1883 †
- Species Succinea patagonica E. A. Smith, 1881
- Species Succinea patentissima L. Pfeiffer, 1853 accepted as Oxyloma patentissimum (L. Pfeiffer, 1853)
- Species Succinea patula Mighels, 1845 accepted as Succinea rotundata A. Gould, 1846
- Species Succinea paulucciae Gassies, 1870
- Species Succinea pellucida I. Lea, 1864 accepted as Pseudosuccinea columella (Say, 1817)
- Species Succinea pellucida Küster, 1856
- Species Succinea pennsylvanica Pilsbry, 1948 accepted as Novisuccinea pennsylvanica (Pilsbry, 1948)
- Species Succinea peregrina F. Sandberger, 1872 † accepted as Oxyloma affine (Reuss, 1849) †
- Species Succinea peruviana L. Pfeiffer, 1867
- Species Succinea pfeifferi Rossmässler, 1835 accepted as Oxyloma elegans (Risso, 1826)
- Species Succinea philippinica Möllendorff, 1893
- Species Succinea pinguis L. Pfeiffer, 1847
- Species Succinea piratarum Quadras & Möllendorff, 1894
- Species Succinea piscinalis Melvill & Ponsonby, 1898 accepted as Succinea striata var. piscinalis Melvill & Ponsonby, 1898
- Species Succinea planti L. Pfeiffer, 1857 accepted as Succinea striata Krauss, 1848
- Species Succinea plectostoma G. B. Sowerby II, 1872
- Species Succinea pleuraulaca A. Letourneux, 1870
- Species Succinea plicata W. T. Blanford, 1865 accepted as Indosuccinea plicata (W. T. Blanford, 1865)
- Species Succinea poirieriana Bourguignat, 1883 accepted as Succinea rugulosa Morelet, 1872
- Species Succinea praecursor Maillard, 1884 †
- Species Succinea primaeva Matheron, 1861 † accepted as Oxyloma primaevum (Matheron, 1861) †
- Species Succinea princei Preston, 1912
- Species Succinea prisca Fagot, 1879
- Species Succinea pristina Henshaw, 1904
- Species Succinea procera A. Gould, 1846
- Species Succinea producta Reibisch, 1892
- Species Succinea propinqua Drouët, 1859
- Species Succinea protevoluta Yen, 1969 †
- Species Succinea protracta Sykes, 1900
- Species Succinea pseudomalonyx Dupuis & Putzeys, 1901
- Species Succinea pudorina A. Gould, 1846
- Species Succinea pueblensis Crosse & P. Fischer, 1877
- Species Succinea puna Tomassi & Cuezzo, 2021
- Species Succinea punctata L. Pfeiffer, 1855
- Species Succinea punctulispira Pilsbry, 1901 accepted as Boninosuccinea punctulispira (Pilsbry, 1901)
- Species Succinea pusilla L. Pfeiffer, 1849
- Species Succinea putamen A. Gould, 1846
- Species Succinea putris (Linnaeus, 1758)
- Species Succinea pyrenaica Bourguignat, 1877
- Species Succinea pyrites Hubricht, 1960 accepted as Succinea wilsonii I. Lea, 1864
- Species Succinea quadrasi Möllendorff, 1894
- Species Succinea quadrata Ancey, 1904
- Species Succinea quicki van Benthem Jutting, 1964
- Species Succinea raoi N. V. Subba Rao & Mitra, 1976
- Species Succinea recisa Morelet, 1851
- Species Succinea reflexa L. Pfeiffer, 1842 accepted as Plectostylus reflexus (L. Pfeiffer, 1842)
- Species Succinea renati Fagot, 1879
- Species Succinea repanda L. Pfeiffer, 1855
- Species Succinea retusa I. Lea, 1834 accepted as Oxyloma retusum (I. Lea, 1834)
- Species Succinea rhodostoma J. C. Cox, 1864 accepted as Succinea australis (A. Férussac, 1821)
- Species Succinea riisei L. Pfeiffer, 1853
- Species Succinea rollieri Maillard, 1892 †
- Species Succinea rosariensis Döring, 1873
- Species Succinea rotumana E. A. Smith, 1897
- Species Succinea rotundata G. B. Sowerby II, 1872 accepted as
- Species Succinea rotundata A. Gould, 1846 accepted as Catinella rotundata (A. Gould, 1846)
- Species Succinea rubella Heude, 1882 accepted as Succinea erythrophana Ancey, 1883
- Species Succinea rubella Pease, 1871
- Species Succinea rubescens Deshayes, 1830 accepted as Rhodonyx rubescens (Deshayes, 1830)
- Species Succinea rugosa L. Pfeiffer, 1842
- Species Succinea rugulosa Morelet, 1872
- Species Succinea rusticana A. Gould, 1846
- Species Succinea rutilans W. T. Blanford, 1870
- Species Succinea sagra A. d'Orbigny, 1841
- Species Succinea salleana L. Pfeiffer, 1850 accepted as Oxyloma salleanum (L. Pfeiffer, 1850)
- Species Succinea sallei (Jousseaume, 1889)
- Species Succinea sanibelensis Rehder, 1933 accepted as Succinea barberi (W. B. Marshall, 1926)
- Species Succinea sarsii Esmark, 1886 accepted as Oxyloma sarsii (Esmark, 1886)
- Species Succinea scalarina L. Pfeiffer, 1861
- Species Succinea scitula X.-G. Zhu, 1985 †
- Species Succinea semiglobosa L. Pfeiffer, 1847
- Species Succinea semiserica A. Gould, 1846 accepted as Indosuccinea semiserica (A. Gould, 1846)
- Species Succinea setchuanensis Heude, 1882
- Species Succinea shenyangensis Youluo, 1978 †
- Species Succinea sillimani Bland, 1865 accepted as Oxyloma sillimani (Bland, 1865)
- Species Succinea simplex L. Pfeiffer, 1855
- Species Succinea simplex Hedley, 1891 accepted as Succinea strubelli Strubell, 1895
- Species Succinea simplicissima Preston, 1912
- Species Succinea snigdha H. S. Rao, 1924
- Species Succinea socorroensis Dall, 1926
- Species Succinea sofiae Benoit, 1882
- Species Succinea sokotrensis E. A. Smith, 1903
- Species Succinea solastra Hubricht, 1961
- Species Succinea soleilleti Bourguignat, 1885
- Species Succinea solidula L. Pfeiffer, 1849
- Species Succinea solitaria E. A. Smith, 1887
- Species Succinea somersensis A. E. Verrill, 1907 †
- Species Succinea souleyeti Ancey, 1889 accepted as Succinea cepulla A. Gould, 1846
- Species Succinea sparnacensis Deshayes, 1863 †
- Species Succinea spectabilis Thomä, 1845 † accepted as Palaeoglandina gracilis (Zieten, 1832) †
- Species Succinea spurca A. Gould, 1850 accepted as Quickia concisa (Morelet, 1848)
- Species Succinea stoliczkae H. S. Rao, 1924
- Species Succinea stretchiana Bland, 1865 accepted as Mediappendix stretchiana (Bland, 1865)
- Species Succinea striata Krauss, 1848
- Species Succinea strigata L. Pfeiffer, 1855 accepted as Novisuccinea strigata (L. Pfeiffer, 1855)
- Species Succinea strigillata A. Adams & Angas, 1864
- Species Succinea strubelli Strubell, 1895
- Species Succinea subglobosa Garrett, 1884
- Species Succinea subgranosa L. Pfeiffer, 1850
- Species Succinea subpfeifferi Gottschick, 1920 †
- Species Succinea tahitensis L. Pfeiffer, 1847
- Species Succinea tamsiana L. Pfeiffer, 1850
- Species Succinea taylori L. Pfeiffer, 1851 accepted as Indosuccinea taylori (L. Pfeiffer, 1851)
- Species Succinea tenella Morelet, 1875
- Species Succinea tenerrima Ancey, 1904
- Species Succinea tenerrima Baldwin, 1893
- Species Succinea tenuis Morelet, 1865 accepted as Succinea tenella Morelet, 1875
- Species Succinea tenuis Ping, 1929 †
- Species Succinea tenuis Poey, 1858
- Species Succinea teragona Ancey, 1904
- Species Succinea tetragona Ancey, 1904
- Species Succinea texasiana L. Pfeiffer, 1848 accepted as Succinea luteola A. Gould, 1848
- Species Succinea texta Odhner, 1922
- Species Succinea thaanumi Ancey, 1899
- Species Succinea tigrina (Lesueur, 1822) accepted as Amphibulima tigrina (Lesueur, 1822)
- Species Succinea tingitana Pallary, 1899
- Species Succinea tlalpamensis Pilsbry, 1899 accepted as Oxyloma tlalpamensis (Pilsbry, 1899)
- Species Succinea tomentosa L. Pfeiffer, 1855 accepted as Austropeplea tomentosa (L. Pfeiffer, 1855)
- Species Succinea tornadri H. S. Rao, 1924
- Species Succinea totteniana I. Lea, 1841 accepted as Succinea (Novisuccinea) ovalis Say, 1817
- Species Succinea turgida Westerlund, 1876
- Species Succinea ubaghsi Bosquet, 1859 †
- Species Succinea undulata Say, 1829
- Species Succinea unicolor Tryon, 1866
- Species Succinea urbana Hubricht, 1961
- Species Succinea urensis Pallary, 1939
- Species Succinea vaginacontorta C. B. Lee, 1951
- Species Succinea variegata L. Pfeiffer, 1842 accepted as Plectostylus variegatus (L. Pfeiffer, 1842)
- Species Succinea venusta W. G. Binney, 1885 accepted as Mediappendix vermeta (Say, 1829)
- Species Succinea venusta A. Gould, 1846
- Species Succinea vermeta Say, 1829 accepted as Mediappendix vermeta (Say, 1829)
- Species Succinea verrilli Bland, 1865 accepted as Oxyloma verrilli (Bland, 1865)
- Species Succinea vesicalis A. Gould, 1846
- Species Succinea virescens Morelet, 1845 accepted as Oxyloma elegans elegans (Risso, 1826)
- Species Succinea virgata E. von Martens, 1865
- Species Succinea vitrea L. Pfeiffer, 1855 accepted as Indosuccinea crassinuclea (L. Pfeiffer, 1846)
- Species Succinea waianaensis Ancey, 1899
- Species Succinea wallisi C. M. Cooke & Clench, 1945
- Species Succinea wardiana I. Lea, 1841 accepted as Mediappendix vermeta (Say, 1829)
- Species Succinea wilsoni [sic] accepted as Succinea wilsonii I. Lea, 1864
- Species Succinea wilsonii I. Lea, 1864
- Species Succinea witteri Shimek, 1913 accepted as Succinea concordialis A. Gould, 1848
- Species Succinea wollastoni Dohrn, 1869 accepted as Quickia concisa wollastoni (Dohrn, 1869)
- Species Succinea wrighti Crosse, 1867
- Species Succinea xanthelaea Bourguignat, 1877
- Species Succinea yarkandensis G. Nevill, 1881
- Species Succinea zhuoxianensis W. Yü & H.-Z. Pan, 1982 †
- Genus Succinella Mabille, 1871 (3)
- Genus Tapada S. Studer, 1820 accepted as Succinea Draparnaud, 1801
- Genus Truella Pease, 1871 accepted as Succinea (Truella) Pease, 1871
- Genus Amphibulima Gistel, 1848 accepted as Succinea Draparnaud, 1801
- Genus Eoquickia Harzhauser & Neubauer, 2016 † (1)
- Genus Papyrotheca Brusina, 1893 † (4)
- Suborder Orthurethra accepted as Pupilloidei
- Suborder Scolodontina (165)
- Suborder Sigmurethra accepted as Helicina
- Suborder Stylommatophora incertae sedis (75)
- Order Systellommatophora (224)
- Superorder Hygrophila (2 004)
- Superorder Pneumopulmonata
- Superorder Pylopulmonata (4 283)
- 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 (1 908)
- Subclass Orthogastropoda represented as Gastropoda
- Subclass Patellogastropoda (510)
- Subclass Prosobranchia
- Subclass Psilogastropoda represented as Gastropoda
- Subclass Vetigastropoda (6 781)
- 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