MolluscaBase - browser

Mollusca (132 791)
Subphylum Aculifera
Subphylum Conchifera
Subphylum Placophora accepted as Polyplacophora
Superclass Aplacophora
Class Amphineura accepted as Aculifera
Class Bivalvia (25 009)
Subclass Autobranchia (23 295)
Infraclass Heteroconchia (16 637)
Subterclass Archiheterodonta (1 208)
Subterclass Euheterodonta (11 356)
Superorder Anomalodesmata (987)
Superorder Imparidentia (10 336)
Order Adapedonta (260)
Order Cardiida (3 055)
Order Galeommatida (791)
Order Gastrochaenida (43)
Order Hiatellida represented as Adapedonta
Order Hippuritida † (321)
Order Lucinida (997)
Order Megalodontida † (141)
Order Modiomorphida † (94)
Order Myacea accepted as Myida
Order Myida (924)
Order Sphaeriida (662)
Superfamily Sphaerioidea Deshayes, 1855 (1820) (662)
Family Corneocycladidae Hannibal, 1912 accepted as Sphaeriidae Deshayes, 1855 (1820)
Family Euglesidae Pirogov & Starobogatov, 1974 accepted as Sphaeriinae Deshayes, 1855 (1820)
Family Kijidae C. M. Kolesnikov, 1977 † (21)
Family Limnocyrenidae C. M. Kolesnikov, 1977 † (39)
Family Neomiodontidae R. Casey, 1955 † (122)
Family Pisidiidae Gray, 1857 accepted as Sphaeriidae Deshayes, 1855 (1820)
Family Sibireconchidae C. M. Kolesnikov, 1977 † (3)
Family Sphaeriidae Deshayes, 1855 (1820) (477)
Subfamily Euglesinae Pirogov & Starobogatov, 1974 accepted as Sphaeriinae Deshayes, 1855 (1820)
Subfamily Euperinae Heard, 1965 (43)
Subfamily Lacustrininae Korniushin, 1989 accepted as Sphaeriinae Deshayes, 1855 (1820)
Subfamily Musculiinae Starobogatov, 1984 accepted as Sphaeriidae Deshayes, 1855 (1820)
Subfamily Neopisidiinae Korniushin, 1989 accepted as Sphaeriinae Deshayes, 1855 (1820)
Subfamily Pisidiinae Gray, 1857 accepted as Sphaeriinae Deshayes, 1855 (1820)
Subfamily Sphaeriinae Deshayes, 1855 (1820) (424)
Tribe Sphaeriini Deshayes, 1855 (1820) accepted as Sphaeriinae Deshayes, 1855 (1820)
Genus Afropisidium Kuiper, 1962 accepted as Euglesa (Afropisidium) Kuiper, 1962
Genus Amesodon Agassiz, 1846 accepted as Sphaerium Scopoli, 1777
Genus Amniciana Servain, 1888 accepted as Pisidium C. Pfeiffer, 1821
Genus Calyculina Clessin, 1872 accepted as Musculium Link, 1807
Genus Cingulipisidium Pirogov & Starobogatov, 1974 accepted as Euglesa (Cingulipisidium) Pirogov & Starobogatov, 1974
Genus Clessinia Piaget, 1913 accepted as Euglesa Jenyns, 1832
Genus Clessinicyclas Alimov & Starobogatov, 1968 accepted as Sphaerium Scopoli, 1777
Genus Conventus Pirogov & Starobogatov, 1974 (5)
Genus Cornea Megerle von Mühlfeld, 1811 accepted as Sphaerium Scopoli, 1777
Genus Corneocyclas J. B. Férussac, 1818 accepted as Sphaerium Scopoli, 1777
Genus Corneola Westerlund, 1873 accepted as Sphaerium Scopoli, 1777
Genus Cycladea Rafinesque, 1815 accepted as Sphaerium Scopoli, 1777
Genus Cycladites Krüger, 1823 accepted as Sphaerium Scopoli, 1777
Genus Cyclas Lamarck, 1798 accepted as Sphaerium Scopoli, 1777
Genus Cyclocalyx Dall, 1903 accepted as Euglesa (Euglesa) Jenyns, 1832
Genus Cyclus Jurine, 1817 accepted as Sphaerium Scopoli, 1777
Genus Cymatocyclas Dall, 1903 accepted as Euglesa Jenyns, 1832
Genus Euglesa Jenyns, 1832 (90)
Genus Galileja O. G. Costa, 1840 accepted as Euglesa Jenyns, 1832
Genus Henslowiana Servain, 1888 accepted as Euglesa (Henslowiana) Servain, 1888
Genus Hiberneuglesa Starobogatov, 1983 accepted as Euglesa (Hiberneuglesa) Starobogatov, 1983
Genus Hindupisidium Vinarski & Bespalaya, 2023 (3)
Genus Lacustrina Sterki, 1916 accepted as Pisidium (Lacustrina) Sterki, 1916
Genus Limosina Clessin, 1872 accepted as Eupera Bourguignat, 1854
Genus Musculium Link, 1807 accepted as Sphaerium (Musculium) Link, 1807
Genus Neopisidium Odhner, 1921 accepted as Pisidium (Neopisidium) Odhner, 1921
Genus Nucleocyclas Alimov & Starobogatov, 1968 accepted as Sphaerium Scopoli, 1777
Genus Nux Humphrey, 1797 accepted as Sphaerium Scopoli, 1777
Genus Odhneripisidium Kuiper, 1962 (36)
Genus Paramusculium Alimov & Starobogatov, 1968 accepted as Sphaerium (Musculium) Link, 1807
Genus Parasphaerium Alimov & Starobogatov, 1968
Genus Phymesoda Rafinesque, 1820 accepted as Musculium Link, 1807
Genus Pisidium C. Pfeiffer, 1821 (108)
Genus Primella Cooper, 1892 accepted as Sphaerium Scopoli, 1777
Genus Pseudeupera Germain, 1913 accepted as Euglesa (Pseudeupera) Germain, 1913
Genus Pseudocorbicula Dautzenberg, 1908 accepted as Sphaerium Scopoli, 1777
Genus Rivicoliana Servain, 1888 accepted as Sphaerium (Amesoda) Rafinesque, 1820
Genus Roseana Fagot, 1892 accepted as Euglesa (Casertiana) Servain, 1888
Genus Shadinicyclas Starobogatov & Korniushin, 1986 accepted as Sphaerium (Amesoda) Rafinesque, 1820
Genus Sphaeriastrum Bourguignat, 1854 accepted as Sphaerium Scopoli, 1777
Genus Sphaerium Scopoli, 1777 (182)
Subgenus Sphaerium (Amesoda) Rafinesque, 1820 represented as Sphaerium Scopoli, 1777
Subgenus Sphaerium (Baicaliana) Korniushin, 1996 accepted as Sphaerium Scopoli, 1777
Subgenus Sphaerium (Clessinella) L. Waagen, 1905 accepted as Eupera Bourguignat, 1854
Subgenus Sphaerium (Corneana) Servain, 1888 accepted as Sphaerium Scopoli, 1777
Subgenus Sphaerium (Corneola) Westerlund, 1873 accepted as Sphaerium Scopoli, 1777
Subgenus Sphaerium (Cyclas) Lamarck, 1798 accepted as Sphaerium Scopoli, 1777
Subgenus Sphaerium (Cymatocyclas) Dall, 1903 accepted as Cymatocyclas Dall, 1903
Subgenus Sphaerium (Cyrenastrum) Bourguignat, 1854 accepted as Sphaerium Scopoli, 1777
Subgenus Sphaerium (Cyrenella) Deshayes, 1836 accepted as Cyrenoida Joannis, 1835
Subgenus Sphaerium (Herringtonium) A. H. Clarke, 1973 represented as Sphaerium Scopoli, 1777
Subgenus Sphaerium (Lacustriana) Servain, 1888 accepted as Musculium Link, 1807
Subgenus Sphaerium (Limosina) Clessin, 1872 accepted as Eupera Bourguignat, 1854
Subgenus Sphaerium (Musculium) Link, 1807 represented as Sphaerium Scopoli, 1777
Subgenus Sphaerium (Nucleocyclas) Alimov & Starobogatov, 1968 accepted as Sphaerium Scopoli, 1777
Subgenus Sphaerium (Parasphaerium) Alimov & Starobogatov, 1968
Subgenus Sphaerium (Pseudocorbicula) Dautzenberg, 1908 accepted as Sphaerium Scopoli, 1777
Subgenus Sphaerium (Rivicoliana) Servain, 1888 accepted as Sphaerium (Amesoda) Rafinesque, 1820
Subgenus Sphaerium (Serratisphaerium) Germain, 1909 accepted as Sphaerium Scopoli, 1777
Subgenus Sphaerium (Sibirisphaerium) Slugina & Starobogatov, 1994 accepted as Sphaerium Scopoli, 1777
Subgenus Sphaerium (Solidiana) Servain, 1888 accepted as Sphaerium Scopoli, 1777
Subgenus Sphaerium (Sphaeriastrum) Bourguignat, 1854 accepted as Sphaerium (Amesoda) Rafinesque, 1820
Subgenus Sphaerium (Sphaerinova) Iredale, 1943 represented as Sphaerium Scopoli, 1777
Subgenus Sphaerium (Sphaerium) Scopoli, 1777 represented as Sphaerium Scopoli, 1777
Subgenus Sphaerium (Sulcastrum) Sterki, 1930
Species Sphaerium abyssinicum Pollonera, 1898 accepted as Sphaerium hartmanni (Jickeli, 1874)
Species Sphaerium acuminatum (Prime, 1852)
Species Sphaerium aequale L. S. Russell, 1926 †
Species Sphaerium aequatoriale Clessin, 1879
Species Sphaerium aktschagylicum A. A. Ali-Zade & Kabakova, 1969 †
Species Sphaerium albicum (Martinson, 1976) † accepted as Sphaerium chientaoense K. Suzuki, 1941 †
Species Sphaerium alticola Kobelt, 1913
Species Sphaerium altiformis B.-Y. Huang & X.-Q. Zhang, 1982 †
Species Sphaerium altile Brooks & Herrington, 1944 accepted as Sphaerium striatinum (Lamarck, 1818)
Species Sphaerium amgense (Martinson, 1961) † accepted as Sphaericoncha amgensis (Martinson, 1961) †
Species Sphaerium amurensis (Moskvicheva, 1986)
Species Sphaerium andersonianum Hannibal, 1912 †
Species Sphaerium anderssoni (Grabau, 1923) †
Species Sphaerium angulare K. Martin, 1885 †
Species Sphaerium antiqum Z.-W. Gu, 1976 †
Species Sphaerium aquaesextiae (J. De C. Sowerby, 1829) †
Species Sphaerium aquilonarum Dall, 1924 †
Species Sphaerium argentinum (A. d'Orbigny, 1835)
Species Sphaerium asiaticum (E. von Martens, 1864)
Species Sphaerium ativum C. A. White, 1887 †
Species Sphaerium austeni Prashad, 1921
Species Sphaerium avanum Theobald, 1874
Species Sphaerium baicalense W. Dybowski, 1902
Species Sphaerium bakeri F. C. Baker, 1928 accepted as Sphaerium striatinum (Lamarck, 1818)
Species Sphaerium barbadense Prime, 1861 accepted as Eupera barbadensis (Prime, 1861)
Species Sphaerium beckmani L. S. Russell, 1976 †
Species Sphaerium bedoti Locard, 1893 † accepted as Cyrena eymari Locard, 1893 †
Species Sphaerium bequaerti (Dautzenberg & Germain, 1914)
Species Sphaerium bertereauae Fontannes, 1884 †
Species Sphaerium blancheti Locard, 1893 †
Species Sphaerium boccardi Pollonera, 1898 accepted as Sphaerium hartmanni (Jickeli, 1874)
Species Sphaerium boettgerianum Bourguignat, 1882 accepted as Sphaerium rivicola (Lamarck, 1818)
Species Sphaerium boissyii [sic] † accepted as Pisidium boissyi (Deshayes, 1857) †
Species Sphaerium borneense G. B. Sowerby II, 1876
Species Sphaerium bourguignati Lallement & Servain, 1869 accepted as Sphaerium rivicola (Lamarck, 1818)
Species Sphaerium bristovii (Forbes, 1856) †
Species Sphaerium brongniarti (F. C. L. Koch & Dunker, 1837) † accepted as Neomiodon brongniarti (F. C. L. Koch & Dunker, 1837) †
Species Sphaerium browni Brooks & Herrington, 1944 accepted as Sphaerium striatinum (Lamarck, 1818)
Species Sphaerium buchi [sic] † accepted as Cyclas buchii Dunker, 1843 †
Species Sphaerium bullatum De Stefani, 1877 †
Species Sphaerium bulleni Kennard, 1911 † accepted as Sphaerium corneum (Linnaeus, 1758)
Species Sphaerium buruense van Benthem Jutting, 1927 accepted as Sphaerium ranae van Benthem Jutting, 1927
Species Sphaerium californicum Clessin, 1878 accepted as Musculium partumeium (Say, 1822)
Species Sphaerium cambaraense Mansur, Meier-Brook & Ituarte, 2008
Species Sphaerium canadense Brooks & Herrington, 1944 accepted as Sphaerium striatinum (Lamarck, 1818)
Species Sphaerium capense (Krauss, 1848)
Species Sphaerium capiduliferum Milaschewitsch, 1909 accepted as Sphaerium corneum (Linnaeus, 1758)
Species Sphaerium capillaceum Lindholm, 1932 †
Species Sphaerium castrense Noulet, 1857 †
Species Sphaerium catherinae Hannibal, 1912 †
Species Sphaerium cecilae Prashad, 1921
Species Sphaerium cerinum Brooks & Herrington, 1944 accepted as Sphaerium striatinum (Lamarck, 1818)
Species Sphaerium chaganhuensis G.-X. Zhu, 1976 †
Species Sphaerium chientaoense K. Suzuki, 1941 †
Species Sphaerium compressum Mousson, 1887 accepted as Musculium moussoni Starobogatov, Prozorova, Bogatov & Sayenko, 2004
Species Sphaerium concentricum (Bronn, 1831) † accepted as Pisidium amnicum (O. F. Müller, 1774)
Species Sphaerium concinnum Brooks & Herrington, 1944 accepted as Sphaerium striatinum (Lamarck, 1818)
Species Sphaerium concinnum (J. De C. Sowerby, 1829) † accepted as Corbicula concinna (J. De C. Sowerby, 1829) †
Species Sphaerium congener Preston, 1912 accepted as Sphaerium victoriae E. A. Smith, 1906
Species Sphaerium contractum Prime, 1865 accepted as Musculium transversum (Say, 1829)
Species Sphaerium cooperi Arnold, 1909 † accepted as Sphaerium striatinum (Lamarck, 1818)
Species Sphaerium cooperianum Prime, 1869
Species Sphaerium coquandianum (Matheron, 1843) †
Species Sphaerium coreanicum (T. Kobayashi & K. Suzuki, 1936) †
Species Sphaerium corneum (Linnaeus, 1758)
Species Sphaerium cosinense Stache, 1871 †
Species Sphaerium costaricanum E. von Martens, 1900 accepted as Euglesa casertana (Poli, 1791)
Species Sphaerium courteti Germain, 1904 accepted as Sphaerium hartmanni (Jickeli, 1874)
Species Sphaerium crassum Sterki, 1901 accepted as Sphaerium simile (Say, 1817)
Species Sphaerium cubense Prime, 1865 accepted as Eupera cubensis (Prime, 1865)
Species Sphaerium cumberlandicum Brooks & Herrington, 1944 accepted as Sphaerium striatinum (Lamarck, 1818)
Species Sphaerium cynodon G. D. Hanna, 1923 †
Species Sphaerium dagardiense (Oppenheim, 1919) †
Species Sphaerium davisi (Bartsch, 1908)
Species Sphaerium dayaoense Q.-H. Ma, 1976 †
Species Sphaerium declive Sterki, 1922 accepted as Sphaerium striatinum (Lamarck, 1818)
Species Sphaerium deformis H. F. Carpenter, 1902 accepted as Musculium lacustre (O. F. Müller, 1774)
Species Sphaerium dickinii Clessin, 1877
Species Sphaerium discus Pierce, 2001 †
Species Sphaerium draparnaldi Clessin, 1873 accepted as Sphaerium nucleus (Studer, 1820)
Species Sphaerium dupplicatum Clessin, 1874
Species Sphaerium dybowskii Lindholm, 1909
Species Sphaerium elegans Brooks & Herrington, 1944 accepted as Sphaerium striatinum (Lamarck, 1818)
Species Sphaerium ellipsoidale Cossmann, 1886 † accepted as Pisidium ellipsoidale (Cossmann, 1886) †
Species Sphaerium ellipticoides B.-D. Shi, 1982 †
Species Sphaerium elongatum G. B. Sowerby II, 1876
Species Sphaerium eminens Brooks & Herrington, 1944 accepted as Sphaerium striatinum (Lamarck, 1818)
Species Sphaerium exiguum "(S. V. Wood, 1847)" † accepted as Sphaerium tumidula (S. V. Wood, 1877) †
Species Sphaerium exilisum B.-Y. Huang & X.-Q. Zhang, 1982 †
Species Sphaerium faba (Münster, 1841) †
Species Sphaerium fabale (Prime, 1852)
Species Sphaerium fallax Sterki, 1930 accepted as Sphaerium simile (Say, 1817)
Species Sphaerium fengxianense B.-D. Shi, 1982 †
Species Sphaerium filipovici Brusina, 1897 †
Species Sphaerium firmum Clessin, 1873
Species Sphaerium flavum (Prime, 1852) accepted as Sphaerium striatinum (Lamarck, 1818)
Species Sphaerium florissantense T. D. A. Cockerell, 1906 †
Species Sphaerium forbesii (R. A. Philippi, 1869)
Species Sphaerium formosum (Meek & Hayden, 1856) † accepted as Eupera formosa (Meek & Hayden, 1856) †
Species Sphaerium fowleri L. S. Russell, 1931 †
Species Sphaerium fragile Clessin, 1877
Species Sphaerium fragilis (Meek & Hayden, 1856) † accepted as Eupera formosa (Meek & Hayden, 1856) †
Species Sphaerium fujianense J.-G. Sha, 1992 †
Species Sphaerium fulungchuanense K. Suzuki, 1942 †
Species Sphaerium fuscatum Prime, 1860 accepted as Sphaerium striatinum (Lamarck, 1818)
Species Sphaerium galitzini Clessin, 1875 accepted as Sphaerium nucleus (Studer, 1820)
Species Sphaerium galitzinianum Clessin, 1877 accepted as Sphaerium nucleus (Studer, 1820)
Species Sphaerium gardanense (Matheron, 1843) † accepted as Corbicula gardanensis (Matheron, 1843) †
Species Sphaerium gardonense Repelin, 1902 †
Species Sphaerium gemma Dall, 1924 †
Species Sphaerium gerdae (V. Anistratenko, 1991) †
Species Sphaerium gibberum B.-Y. Huang & X.-Q. Zhang, 1982 †
Species Sphaerium gibbosum (J. De C. Sowerby, 1829) †
Species Sphaerium gietzi Tozer, 1956 †
Species Sphaerium gozhiki (Datsenko, 1990) †
Species Sphaerium groenlandensis Yen, 1958 †
Species Sphaerium grosiformis G.-X. Zhu, 1976 †
Species Sphaerium haasi C. R. Boettger, 1915
Species Sphaerium hartmanni (Jickeli, 1874)
Species Sphaerium headonense "F. E. Edwards" †
Species Sphaerium heissbaueri Hölzl, 1953 †
Species Sphaerium hendersoni Sterki, 1906 accepted as Sphaerium striatinum (Lamarck, 1818)
Species Sphaerium herringtoni Pierce, 1993 †
Species Sphaerium heskethense P. S. Warren, 1926 †
Species Sphaerium heterodon Pilsbry, 1895
Species Sphaerium hispanicum Bourguignat, 1870 accepted as Musculium lacustre (O. F. Müller, 1774)
Species Sphaerium hulagouensis J.-S. Yu & P.-Y. Yao, 1986 †
Species Sphaerium huobashanense B.-L. Ding, 1982 †
Species Sphaerium icenicum D. T. Holyoak & Preece, 1986 †
Species Sphaerium idahoense Meek, 1870 †
Species Sphaerium incomitatum (Kuiper, 1966)
Species Sphaerium incurvum (Guppy, 1872)
Species Sphaerium indicum Deshayes, 1855
Species Sphaerium inflatum (V. Anistratenko, 1991) †
Species Sphaerium inflatum M.-C. Chow, 1953 †
Species Sphaerium iredalei Preston, 1912 accepted as Sphaerium nyanzae E. A. Smith, 1892
Species Sphaerium jalapensis Pilsbry, 1904 accepted as Sphaerium striatinum (Lamarck, 1818)
Species Sphaerium japonicum (Westerlund, 1883)
Species Sphaerium javanum van Benthem Jutting, 1931 accepted as Pisidium floresianum B. Rensch, 1934
Species Sphaerium jeholense (Grabau, 1923) † accepted as Sphaerium anderssoni (Grabau, 1923) †
Species Sphaerium jianchangense J.-S. Yu, G.-Y. Dong & P.-Y. Yao, 1987 †
Species Sphaerium joholense [sic] † accepted as Sphaerium jeholense (Grabau, 1923) †
Species Sphaerium jugleri (Dunker, 1843) †
Species Sphaerium kailuense Z.-W. Gu, 1999 †
Species Sphaerium kashmirensis Prashad, 1937
Species Sphaerium kazuoense J.-S. Yu, G.-Y. Dong & P.-Y. Yao, 1987 †
Species Sphaerium kendricki Kuiper, 1983
Species Sphaerium kettlemanense Arnold, 1909 †
Species Sphaerium kettlemanensis Arnold, 1909 † accepted as Sphaerium kettlemanense Arnold, 1909 †
Species Sphaerium kigeziensis Preston, 1912 accepted as Pisidium kenianum Preston, 1911
Species Sphaerium korotniewii W. Dybowski, 1902
Species Sphaerium kozhovi Starobogatov & Korniushin, 1986
Species Sphaerium krasnenkovi (V. Anistratenko & Starobogatov, 1990) †
Species Sphaerium kustovica (Tolstikova, 1973) †
Species Sphaerium lacusedes (Iredale, 1943)
Species Sphaerium lacustre (O. F. Müller, 1774)
Species Sphaerium laevigatum Brooks & Herrington, 1944 accepted as Sphaerium striatinum (Lamarck, 1818)
Species Sphaerium laiyangense J.-H. Chen, 1984 †
Species Sphaerium langxiense Q.-H. Ma, 1980 †
Species Sphaerium laubrierei Cossmann, 1886 † accepted as Pisidium laubrierei (Cossmann, 1886) †
Species Sphaerium lauricochae (R. A. Philippi, 1869)
Species Sphaerium lenticula Prime, 1862 accepted as Musculium lacustre (O. F. Müller, 1774)
Species Sphaerium lentum Pierce, 2014 †
Species Sphaerium levinodis Westerlund, 1876 accepted as Sphaerium corneum (Linnaeus, 1758)
Species Sphaerium liburnicum (Stache, 1889) †
Species Sphaerium lilycashense F. C. Baker, 1898 accepted as Sphaerium striatinum (Lamarck, 1818)
Species Sphaerium limanicum (Moskvicheva, 1986)
Species Sphaerium lineatum Sterki, 1910 accepted as Sphaerium simile (Say, 1817)
Species Sphaerium livingstonense L. S. Russell, 1932 †
Species Sphaerium livingstonensis L. S. Russell, 1932 † accepted as Sphaerium livingstonense L. S. Russell, 1932 †
Species Sphaerium lorteti [sic] † accepted as Sphaerium lortetianum Locard, 1883 †
Species Sphaerium lortetianum Locard, 1883 †
Species Sphaerium loryi Fontannes, 1880 †
Species Sphaerium luridum E. von Martens, 1900 accepted as Sphaerium striatinum (Lamarck, 1818)
Species Sphaerium macgillivrayi E. A. Smith, 1882 accepted as Sphaerium tasmanicum (Tenison Woods, 1876)
Species Sphaerium madagascariense (Tristram, 1863)
Species Sphaerium maillardi Locard, 1893 †
Species Sphaerium malheurense J. Henderson & Rodeck, 1934 †
Species Sphaerium malheurensis J. Henderson & Rodeck, 1934 † accepted as Sphaerium malheurense J. Henderson & Rodeck, 1934 †
Species Sphaerium mamillanum Westerlund, 1871 accepted as Sphaerium corneum (Linnaeus, 1758)
Species Sphaerium mansianum Noulet, 1857 †
Species Sphaerium marisminus Starobogatov, 1986
Species Sphaerium maroccanum Pallary, 1899 accepted as Musculium lacustre (O. F. Müller, 1774)
Species Sphaerium martensi Pilsbry, 1899
Species Sphaerium martinsoni (Tolstikova, 1973) †
Species Sphaerium matejici Pavlović, 1933 †
Species Sphaerium mausseneti Cossmann, 1886 † accepted as Pisidium mausseneti (Cossmann, 1886) †
Species Sphaerium mclearni L. S. Russell, 1932 †
Species Sphaerium meeki Dall, 1924 † accepted as Sphaerium idahoense Meek, 1870 †
Species Sphaerium meridionalis Prime, 1861 accepted as Eupera meridionalis (Prime, 1861)
Species Sphaerium mexicanum Dall, 1905
Species Sphaerium miocaenicum (Neubauer & Harzhauser, 2014) †
Species Sphaerium miyadii Mori, 1933
Species Sphaerium mohasicum Thiele, 1911
Species Sphaerium montanum Tapparone Canefri, 1889
Species Sphaerium morini Servain, 1882 accepted as Sphaerium rivicola (Lamarck, 1818)
Species Sphaerium mormonicum G. B. Sowerby II, 1876
Species Sphaerium morozi (Datsenko, 1990) †
Species Sphaerium morrisii "F. E. Edwards" †
Species Sphaerium mulingense J.-G. Sha & Fürsich, 1992 †
Species Sphaerium naivashaense Preston, 1912 accepted as Musculium hartmanni naivashaense (Preston, 1912)
Species Sphaerium nevadense D. W. Taylor, 1981 †
Species Sphaerium nitidum Clessin, 1876
Species Sphaerium normandi (Michaud, 1855) †
Species Sphaerium notatum Sterki, 1927 accepted as Sphaerium striatinum (Lamarck, 1818)
Species Sphaerium novaezelandiae Deshayes, 1855
Species Sphaerium nucleus (Studer, 1820)
Species Sphaerium nucleus Wilckens, 1910 † accepted as Surobula nucleus (Wilckens, 1910) †
Species Sphaerium numismale [sic] † accepted as Corbicula nummismalis (Matheron, 1843) †
Species Sphaerium nyanzae E. A. Smith, 1892
Species Sphaerium nylanderi Brooks & Herrington, 1944 accepted as Sphaerium striatinum (Lamarck, 1818)
Species Sphaerium nympharum Rovereto, 1898 †
Species Sphaerium obense Clessin, 1877
Species Sphaerium oblongum Clessin, 1877
Species Sphaerium oborense Popova, 1964 †
Species Sphaerium obtusum Brooks & Herrington, 1944 accepted as Sphaerium striatinum (Lamarck, 1818)
Species Sphaerium occidentale (J. Lewis, 1856)
Species Sphaerium oepfingense (Klein, 1846) † accepted as Pisidium oepfingense (Klein, 1846) †
Species Sphaerium ohioense Sterki, 1913 accepted as Sphaerium striatinum (Lamarck, 1818)
Species Sphaerium okinawaense Mori, 1937
Species Sphaerium orientalis J.-S. Yu & K. Zhang, 1984 †
Species Sphaerium ornatum Brooks & Herrington, 1944 accepted as Sphaerium striatinum (Lamarck, 1818)
Species Sphaerium ovale (A. Férussac, 1807)
Species Sphaerium ovalis (Rammelmeyer, 1935) † accepted as Subtilia ovalis (Rammelmeyer, 1935) †
Species Sphaerium ovatum Prime, 1869
Species Sphaerium ozegovici Brusina, 1897 †
Species Sphaerium parasolidium B.-Y. Huang & X.-Q. Zhang, 1982 †
Species Sphaerium parenzani (Gambetta, 1930)
Species Sphaerium parisiense Prime, 1860 †
Species Sphaerium partumeium (Say, 1822)
Species Sphaerium parvium Yen, 1948
Species Sphaerium parvulum Prime, 1865 accepted as Eupera parvula (Prime, 1865)
Species Sphaerium patagonicum (Pilsbry, 1911)
Species Sphaerium patella (A. Gould, 1850)
Species Sphaerium pilsbryanum Sterki, 1909 accepted as Sphaerium striatinum (Lamarck, 1818)
Species Sphaerium pingquanense J.-S. Yu & K. Zhang, 1984 †
Species Sphaerium pisidioides Gray, 1856
Species Sphaerium pisum (Matheron, 1843) †
Species Sphaerium plantarum Saporta, 1889 †
Species Sphaerium planum Meek & Hayden, 1860 †
Species Sphaerium porrectum Förster, 1892 †
Species Sphaerium portoricense Prime, 1861 accepted as Eupera portoricensis (Prime, 1861)
Species Sphaerium praecoquum L. S. Russell, 1937 †
Species Sphaerium praelacustris (Tolstikova, 1973) †
Species Sphaerium praetermissum (Noulet, 1854) †
Species Sphaerium primeanum Clessin, 1878 accepted as Sphaerium patella (A. Gould, 1850)
Species Sphaerium problematicum Gabriel, 1939
Species Sphaerium progrediens L. S. Russell, 1952 †
Species Sphaerium prominulum (Reuss, 1849) †
Species Sphaerium proscaldianum Martinson & Tolstikova, 1969 †
Species Sphaerium pseudocorneum (Reuss, 1861) † accepted as Sphaerium prominulum (Reuss, 1849) †
Species Sphaerium pujiangense Z.-W. Gu & Q.-H. Ma, 1976 †
Species Sphaerium pusillum (Reis, 1910) † accepted as Sphaerium reisi (T. D. A. Cockerell, 1924) †
Species Sphaerium pyrum J.-G. Sha, 1992 †
Species Sphaerium quarterina (V. Anistratenko & Starobogatov, 1990) †
Species Sphaerium quasicornum B.-Y. Huang & X.-Q. Zhang, 1982 †
Species Sphaerium queenslandicum E. A. Smith, 1882 accepted as Musculium (Sphaerinova) tasmanicum queenslandicum (E. A. Smith, 1882)
Species Sphaerium quirindi (Korniushin, 2000)
Species Sphaerium radleyense Kennard & B. B. Woodward, 1924 † accepted as Sphaerium corneum (Linnaeus, 1758)
Species Sphaerium ranae van Benthem Jutting, 1927
Species Sphaerium raymondi J. G. Cooper, 1892 accepted as Musculium lacustre (O. F. Müller, 1774)
Species Sphaerium recticardinale Meek & Hayden, 1860 †
Species Sphaerium rectidens Starobogatov & Streletzkaja, 1967
Species Sphaerium rectiglobosum Z.-W. Gu & J.-S. Yu, 1976 †
Species Sphaerium redense Brooks & Herrington, 1944 accepted as Sphaerium striatinum (Lamarck, 1818)
Species Sphaerium regulare Brooks & Herrington, 1944 accepted as Sphaerium striatinum (Lamarck, 1818)
Species Sphaerium regulare Mandahl-Barth, 1954
Species Sphaerium reisi (T. D. A. Cockerell, 1924) †
Species Sphaerium reussi Locard, 1893 †
Species Sphaerium rhomboideum (Say, 1822)
Species Sphaerium rillyense (de Boissy, 1848) † accepted as Pisidium rillyense (de Boissy, 1848) †
Species Sphaerium risgoviense Schütze, 1907 †
Species Sphaerium rivicola (Lamarck, 1818)
Species Sphaerium rogersi Hannibal, 1912 †
Species Sphaerium rosmalense (T. Meijer, 1990) †
Species Sphaerium rotunditrigonum X.-H. Yu, 1982 †
Species Sphaerium rotundum J.-S. Yu & K. Zhang, 1984 †
Species Sphaerium rugosum G. B. Sowerby II, 1876
Species Sphaerium rugosum Meek, 1870 †
Species Sphaerium rugosum (Dunker, 1846) † accepted as Cyprina rugosa (Dunker, 1846) †
Species Sphaerium rutimeyeri Locard, 1893 †
Species Sphaerium rylliense [sic] † accepted as Pisidium rillyense (de Boissy, 1848) †
Species Sphaerium sandbergeri Clessin, 1877
Species Sphaerium sarmaticum Azizbekova, 1971 †
Species Sphaerium scaldianum (Normand, 1844) accepted as Sphaerium nucleus (Studer, 1820)
Species Sphaerium secure [sic] accepted as Sphaerium securis (Prime, 1852)
Species Sphaerium securis (Prime, 1852)
Species Sphaerium selenginense (Martinson, 1956) †
Species Sphaerium semisolidum Martinson, 1956 †
Species Sphaerium shantungense (Grabau, 1923) †
Species Sphaerium shouchangense Q.-H. Ma, 1980 †
Species Sphaerium simile (Say, 1817)
Species Sphaerium simplex J.-S. Yu, 1984 †
Species Sphaerium solidulum (Prime, 1852) accepted as Sphaerium striatinum (Lamarck, 1818)
Species Sphaerium solidum (Normand, 1844)
Species Sphaerium sphaericum (Prime, 1853) accepted as Musculium securis (Prime, 1852)
Species Sphaerium squamula L. S. Russell, 1932 †
Species Sphaerium ssorense W. Dybowski, 1902 accepted as Sphaerium corneum (Linnaeus, 1758)
Species Sphaerium stamineum (Conrad, 1834) accepted as Sphaerium striatinum (Lamarck, 1818)
Species Sphaerium starobogatovi (V. Anistratenko, 1991) †
Species Sphaerium stewartensis Firby, 1966 †
Species Sphaerium stojanovici Brusina, 1897 †
Species Sphaerium striatinum (Lamarck, 1818)
Species Sphaerium studeri Locard, 1893 †
Species Sphaerium stuhlmanni E. von Martens, 1897
Species Sphaerium sturanyi L. Waagen, 1905 accepted as Eupera sturanyi (L. Waagen, 1905)
Species Sphaerium subcapense Bourguignat, 1883 accepted as Sphaerium hartmanni (Jickeli, 1874)
Species Sphaerium subellipticum (Meek & Hayden, 1856) †
Species Sphaerium subnobile (Cobălcescu, 1883) †
Species Sphaerium subnobilis [sic] † accepted as Sphaerium subnobile (Cobălcescu, 1883) †
Species Sphaerium subovatum B.-D. Shi, 1982 †
Species Sphaerium subplanum (Reis, 1910) †
Species Sphaerium subsolidum Clessin, 1888 accepted as Sphaerium solidum (Normand, 1844)
Species Sphaerium subtile T. Meijer, 1990 †
Species Sphaerium subtransversum Prime, 1860
Species Sphaerium subtrigonum (Dunker, 1843) †
Species Sphaerium sulcatum (Lamarck, 1818) accepted as Sphaerium simile (Say, 1817)
Subspecies Sphaerium sulcatum dakotense Sterki, 1930 accepted as Sphaerium simile (Say, 1817)
Subspecies Sphaerium sulcatum decisum Brooks & Herrington, 1944
Subspecies Sphaerium sulcatum ellipticum Brooks & Herrington, 1944
Subspecies Sphaerium sulcatum obscurum Brooks & Herrington, 1944
Subspecies Sphaerium sulcatum sculptum Brooks & Herrington, 1944
Variety Sphaerium sulcatum var. albescens Sterki, 1916 accepted as Sphaerium simile (Say, 1817)
Variety Sphaerium sulcatum var. insigne Sterki, 1916 accepted as Sphaerium simile (Say, 1817)
Variety Sphaerium sulcatum var. planatum Sterki, 1916 accepted as Sphaerium simile (Say, 1817)
Species Sphaerium tani (Grabau, 1923) †
Species Sphaerium tasmanicum (Tenison Woods, 1876)
Species Sphaerium tatiarae Cotton & Godfrey, 1938
Species Sphaerium tenuis (Prime, 1852) accepted as Musculium partumeium (Say, 1822)
Species Sphaerium tetensi C. R. Boettger, 1913 accepted as Sphaerium rivicola (Lamarck, 1818)
Species Sphaerium tignense (Martinson, 1961) †
Species Sphaerium titicacense (Pilsbry, 1924)
Species Sphaerium torsum Sterki, 1916 accepted as Sphaerium striatinum (Lamarck, 1818)
Species Sphaerium translucidum Reeve, 1876 accepted as Musculium tasmanicum (Tenison Woods, 1876)
Species Sphaerium transversale Westerlund, 1898 accepted as Sphaerium asiaticum (E. von Martens, 1864)
Species Sphaerium transversum (Say, 1829)
Species Sphaerium triangulare (Say, 1829)
Species Sphaerium troelseni Yen, 1958 † accepted as Sphaeridium troelseni (Yen, 1958) †
Species Sphaerium tumidula (S. V. Wood, 1877) †
Species Sphaerium uintaense Call, 1886 accepted as Sphaerium nitidum Clessin, 1876
Species Sphaerium unguiforme (de Boissy, 1848) †
Species Sphaerium vallentinianum Melvill & Standen, 1914 accepted as Pisidium plenilunium (Melvill & Standen, 1907)
Species Sphaerium vasseuri Dollfus, 1906 †
Species Sphaerium vermontana Prime, 1861 accepted as Sphaerium striatinum (Lamarck, 1818)
Species Sphaerium verneuili (de Boissy, 1848) † accepted as Pisidium verneuili (de Boissy, 1848) †
Species Sphaerium victoriae E. A. Smith, 1906
Species Sphaerium viridans Prime, 1865 accepted as Eupera viridans (Prime, 1865)
Species Sphaerium viridante Prime, 1865 accepted as Sphaerium viridans Prime, 1865
Species Sphaerium walkeri Sterki, 1901 accepted as Sphaerium nitidum Clessin, 1876
Species Sphaerium westerlundi W. Dybowski, 1902 accepted as Sphaerium dybowskii Lindholm, 1909
Species Sphaerium westerlundi Clessin, 1873
Species Sphaerium wildi Clessin, 1879
Species Sphaerium wiljuicum (Martinson, 1956) †
Species Sphaerium wrighti Brooks & Herrington, 1944 accepted as Sphaerium striatinum (Lamarck, 1818)
Species Sphaerium xuanchengense Q.-H. Ma, 1980 † accepted as Limnocyrena xuanchengensis (Q.-H. Ma, 1980) †
Species Sphaerium yanbianense Z.-W. Gu & S.-X. Wen, 1976 † accepted as Sphaerium chientaoense K. Suzuki, 1941 †
Species Sphaerium yiyangense B.-L. Ding, 1982 †
Species Sphaerium yongkangense Q.-H. Ma, 1980 †
Species Sphaerium zenonii (Sacco, 1886) †
Species Sphaerium zhejiangense Q.-H. Ma, 1980 †
Species Sphaerium zhexiense Q.-H. Ma, 1980 † accepted as Limnocyrena zhexiensis (Q.-H. Ma, 1980) †
Species Sphaerium zhujiangense B.-Y. Huang & X.-Q. Zhang, 1982 †
Genus Tetragonocyclas Pirogov & Starobogatov, 1974 accepted as Euglesa (Cingulipisidium) Pirogov & Starobogatov, 1974
Genus Zecyclas Starobogatov, 1968 accepted as Sphaerium (Sphaerinova) Iredale, 1943
Tribe Euglesini Pirogov & Starobogatov, 1974 accepted as Sphaeriinae Deshayes, 1855 (1820)
Genus Amesoda Rafinesque, 1820 accepted as Sphaerium (Amesoda) Rafinesque, 1820
Genus Cordula Leach, 1852 accepted as Pisidium C. Pfeiffer, 1821
Genus Megasphaerioides Komatsu, J.-H. Chen & Q.-F. Wang, 2003 † (1)
Genus Pera Leach, 1831 accepted as Pisidium C. Pfeiffer, 1821
Genus Pisum Megerle von Mühlfeld, 1811
Genus Protosphaerium Hocknull, 2000 † (2)
Genus Sphaericoncha C. M. Kolesnikov, 1980 † (4)
Genus Sphaerinova Iredale, 1943 accepted as Musculium (Sphaerinova) Iredale, 1943
Genus Sphaerioides J.-S. Yu & K. Zhang, 1982 † (3)
Genus Tetoriunio Koarai & Matsukawa, 2016 † accepted as Megasphaerioides Komatsu, J.-H. Chen & Q.-F. Wang, 2003 †
Family Starobogatoviconchidae Zykin †
Order Venerida (2 821)
Superfamily Cyamioidea G. O. Sars, 1878 (98)
Superfamily Gaimardioidea Hedley, 1916 accepted as Cyamioidea G. O. Sars, 1878
Superfamily Galeommatacea accepted as Galeommatoidea J. E. Gray, 1840
Superfamily Grammysioidea S. A. Miller, 1877 † (90)
Superfamily Kalenteroidea Marwick, 1953 † (39)
Superfamily Mactracea accepted as Mactroidea Lamarck, 1809
Order Anomalodesmacea accepted as Anomalodesmata
Order Euheterodonta incertae sedis (27)
Order Pholadomyida represented as Anomalodesmata
Family Lipanellidae T. M. Sánchez, 2005 † (4)
Family Rhaetidiidae Dominici & Danise, 2024 † (2)
Subterclass Heterodonta
Subterclass Palaeoheterodonta (4 072)
Superorder Heteroconchia incertae sedis † (1)
Infraclass Pteriomorphia (6 658)
Subclass Bivalvia incertae sedis (7)
Subclass Palaeotaxodonta accepted as Nuculida
Subclass Paleoheterodonta accepted as Palaeoheterodonta
Subclass Protobranchia (1 365)
Infraclass Cryptodonta † (342)
Class Caudofoveata (143)
Class Cephalopoda (1 834)
Class Conchifera accepted as Bivalvia
Class Cricoconarida † (1)
Class Gastropoda (102 697)
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