| Page last updated
Thu 17 July 2025 |
The Freshwater Mussels (Unionoida) of the World (and other less consequential bivalves)
FM(U)otW(aolcb) is the web version of the MUSSEL Project Database. Follow the links to browse the data or use the custom Google search field. Either way, you win!
Bivalvia | Sphaerioida | Sphaerioidea | Sphaeriidae | Sphaeriinae genus Sphaerium Scopoli, 1777: species
36 available nominal genus synonyms (52 total synonyms) | cladomics Sphaerium aequatoriale (Clessin in Miller, 1879)
syonymy (1 available, 1 total) | specimens (0)
Range: Ecuador. (South America)
IUCN Red List: Data Deficient
other links: MolluscaBase | Sphaerium argentinum (d’Orbigny, 1835)
syonymy (1 available, 2 total) | specimens (1)
Range: Parana Basin, Brazil, Argentina and Uruguay. (South America)
Genbank sequences: 16S, 18S, 5.8S, ITS1
IUCN Red List: Least Concern (Musculium argentinum)
other links: MolluscaBase | Sphaerium asiaticum (Martens, 1864)
syonymy (4 available, 4 total) | specimens (0)
Range: Central Asia to the Lower Amur Basin, eastern Russia. (North Eurasia, East Asia)
IUCN Red List: Least Concern
other links: MolluscaBase | Sphaerium austeni Prashad in Annandale & Prashad, 1921
syonymy (1 available, 1 total) | specimens (0)
Range: Manipur, India. (East Asia)
IUCN Red List: Near Threatened
other links: MolluscaBase |  Sphaerium avanum Theobald, 1873
syonymy (1 available, 1 total) | specimens (0)
Range: Myanmar. (East Asia)
IUCN Red List: Data Deficient
other links: MolluscaBase
| Sphaerium baicalense Dybowski, 1902
syonymy (1 available, 1 total) | specimens (0)
Range: Lake Baikal. (North Eurasia)
Genbank sequences: 18S, 5.8S, ITS1
IUCN Red List: Least Concern
other links: MolluscaBase | Sphaerium bequaerti (Dautzenberg & Germain, 1914)
syonymy (2 available, 3 total) | specimens (0)
Range: Widespread in tropical Africa. (Afrotropics)
IUCN Red List: Data Deficient
other links: MolluscaBase | Sphaerium cambaraense (Mansur, Meier-Brook & Ituarte, 2008)
syonymy (1 available, 1 total) | specimens (0)
Range: South America. (South America)
other links: MolluscaBase | Sphaerium capense (Krauss, 1848)
syonymy (3 available, 4 total) | specimens (0)
Range: Southern Africa and Madagascar. (Afrotropics)
IUCN Red List: Least Concern
other links: MolluscaBase | Sphaerium cecilae Prashad, 1921
syonymy (1 available, 1 total) | specimens (0)
Range: Sumatra, Indonesia. (East Asia)
other links: MolluscaBase |  Sphaerium corneum (Linnaeus, 1758)
syonymy (21 available, 24 total) | specimens (11 + 64 Genbank vouchers)
Range: Native to northern Eurasia from Europe to Kamchatka. Introduced to the Laurentian Great Lakes. (North America, North Eurasia, East Asia)
Genbank sequences: 16S, 18S, 28S, 5.8S, COI, ITS1, mtGenome, other
IUCN Red List: Least Concern
NatureServe: G5
other links: MolluscaBase
| Sphaerium costaricanum Martens, 1900
syonymy (1 available, 1 total) | specimens (0)
Range: Costa Rica. (Central America) | Sphaerium davisi (Bartsch, 1908)
syonymy (1 available, 1 total) | specimens (0)
Range: Ecuador. (South America)
other links: MolluscaBase | Sphaerium dybowskii Lindholm, 1909
syonymy (3 available, 3 total) | specimens (0)
Range: Lake Baikal. (North Eurasia)
other links: MolluscaBase |  Sphaerium fabale (Prime, 1852)
syonymy (2 available, 3 total) | specimens (0)
Range: Eastern North America. (North America)
Genbank sequences: 16S, 18S, 5.8S, COI
IUCN Red List: Least Concern
NatureServe: G5
other links: MolluscaBase
| Sphaerium forbesi (Philippi, 1869)
syonymy (1 available, 1 total) | specimens (0)
Range: Lake Titicaca, Peru and Bolivia. (South America)
IUCN Red List: Least Concern
other links: MolluscaBase | Sphaerium haasi Boettger, 1915
syonymy (1 available, 1 total) | specimens (0)
Range: Aru Islands, Indonesia. (Australasia)
other links: MolluscaBase | Sphaerium hartmanni (Jickeli, 1874)
syonymy (12 available, 13 total) | specimens (0 + 2 Genbank vouchers)
Range: Widespread in tropical Africa, north to Egypt. (Afrotropics)
Genbank sequences: COI
IUCN Red List: Least Concern
other links: MolluscaBase | Sphaerium incomitatum (Kuiper, 1966)
syonymy (1 available, 1 total) | specimens (0)
Range: Southern Africa and the upper Congo. (Afrotropics)
IUCN Red List: Least Concern, Least Concern (Musculium incomitatum)
other links: MolluscaBase | Sphaerium indicum Deshayes, 1854
syonymy (1 available, 1 total) | specimens (0 + 3 Genbank vouchers)
Range: Nepal. (East Asia)
Genbank sequences: 16S, 28S, COI, H3
IUCN Red List: Least Concern
other links: MolluscaBase | Sphaerium jalapensis Pilsbry, 1904
syonymy (1 available, 1 total) | specimens (0)
Range: Mexico. (Central America) | Sphaerium japonicum Westerlund, 1883
syonymy (2 available, 2 total) | specimens (0 + 2 Genbank vouchers)
Range: Japan. (East Asia)
Genbank sequences: 16S, 18S, 28S, 5.8S, COI, ITS1
IUCN Red List: Data Deficient (Sphaerium biwaense)
other links: MolluscaBase | Sphaerium kashmirensis Prashad, 1937
syonymy (2 available, 2 total) | specimens (0 + 17 Genbank vouchers)
Range: Kashmir. (East Asia)
Genbank sequences: 16S, 28S, COI, H3
IUCN Red List: Data Deficient (Musculium goshaitanensis)
other links: MolluscaBase | Sphaerium kendricki Kuiper, 1983
syonymy (1 available, 1 total) | specimens (0)
Range: Western Australia. (Australasia)
other links: MolluscaBase | Sphaerium korotniewii Dybowski, 1902
syonymy (1 available, 1 total) | specimens (0)
Range: Lake Baikal. (North Eurasia)
other links: MolluscaBase | Sphaerium kozhovi Starobogatov in Startobogatov & Korniushin, 1986
syonymy (1 available, 1 total) | specimens (0)
Range: Lake Baikal. (North Eurasia) | Sphaerium lacusedes (Iredale, 1943)
syonymy (1 available, 2 total) | specimens (0)
Range: Endemic to Tasmania. (Australasia)
other links: MolluscaBase |  Sphaerium lacustre (Müller, 1774)
syonymy (35 available, 40 total) | specimens (3 + 6 Genbank vouchers)
Range: Holarctic, Eurasia and North America. (North America, North Eurasia, East Asia)
Genbank sequences: 16S, 18S, 28S, 5.8S, COI, H3, ITS1, mtGenome
IUCN Red List: Data Deficient (Sphaerium maroccanum), Least Concern (Musculium compressum), Least Concern
NatureServe: G5 (Musculium lacustre)
other links: MolluscaBase
| Sphaerium lauricochae (Philippi, 1869)
syonymy (1 available, 1 total) | specimens (0)
Range: Northern Argentina to Peru. (South America)
IUCN Red List: Least Concern
other links: MolluscaBase | Sphaerium limanicum Moskvicheva in Zatravkin & Moskvicheva, 1986
syonymy (1 available, 1 total) | specimens (0)
Range: Amur River. (East Asia)
other links: MolluscaBase | Sphaerium luridum Martens, 1900
syonymy (1 available, 1 total) | specimens (0)
Range: Mexico. (Central America) | Sphaerium mamillanum Westerlund, 1871
syonymy (1 available, 2 total) | specimens (0)
Range: European Russia. (North Eurasia) | Sphaerium marisminus Starobogatov in Startobogatov & Korniushin, 1986
syonymy (1 available, 1 total) | specimens (0)
Range: Lake Baikal. (North Eurasia)
other links: MolluscaBase | Sphaerium martensi Pilsbry, 1899
syonymy (1 available, 1 total) | specimens (0)
Range: Mexico. (Central America)
other links: MolluscaBase | Sphaerium mexicanum (Dall, 1905)
syonymy (1 available, 1 total) | specimens (0)
Range: San Luis Potosi, Mexico. (Central America)
other links: MolluscaBase | Sphaerium miyadii Mori, 1933
syonymy (2 available, 3 total) | specimens (0)
Range: Kuril Islands, eastern Russia. (East Asia)
Genbank sequences: 16S, 18S, 5.8S, ITS1
IUCN Red List: Data Deficient (Sphaerium myadii)
other links: MolluscaBase | Sphaerium montanum Tapparone Canefri, 1889
syonymy (1 available, 1 total) | specimens (0)
Range: Myanmar. (East Asia)
IUCN Red List: Data Deficient
other links: MolluscaBase |  Sphaerium nitidum Clessin in Westerlund, 1876
syonymy (5 available, 6 total) | specimens (0 + 11 Genbank vouchers)
Range: Holarctic, at higher latitudes. (North America, North Eurasia, East Asia)
Genbank sequences: 16S, 28S
IUCN Red List: Least Concern
NatureServe: G5
other links: MolluscaBase
| Sphaerium novaezelandiae Deshayes, 1854
syonymy (1 available, 2 total) | specimens (0)
Range: New Zealand. (Australasia)
Genbank sequences: 16S, 18S, 5.8S, ITS1
IUCN Red List: Least Concern (Musculium novaezelandiae)
other links: MolluscaBase | Sphaerium novoleonis Pilsbry, 1904
syonymy (1 available, 2 total) | specimens (0)
Range: Mexico. (Central America) |  Sphaerium nucleus (Studer, 1820)
syonymy (4 available, 6 total) | specimens (0)
Range: Widespread in Europe. (North Eurasia)
Genbank sequences: 16S, 18S, 28S, 5.8S, COI, H3, ITS1
IUCN Red List: Least Concern
other links: MolluscaBase
|  Sphaerium nyanzae E.A. Smith, 1892
syonymy (3 available, 4 total) | specimens (4)
Range: Endemic to Lake Victoria. (Afrotropics)
IUCN Red List: Least Concern
other links: MolluscaBase
|  Sphaerium occidentale (Lewis, 1856)
syonymy (2 available, 3 total) | specimens (0 + 3 Genbank vouchers)
Range: Widespread in North America. (North America)
Genbank sequences: 16S, 18S, 28S, 5.8S, COI, ITS1, other
IUCN Red List: Least Concern
NatureServe: G5
other links: MolluscaBase
| Sphaerium okinawaense Mori, 1937
syonymy (1 available, 1 total) | specimens (0)
Range: Taiwan. (East Asia)
other links: MolluscaBase | Sphaerium ovale (Férussac, 1807)
syonymy (3 available, 5 total) | specimens (0)
Range: Northern Europe. (North Eurasia)
IUCN Red List: Least Concern
other links: MolluscaBase |  Sphaerium partumeium (Say, 1822)
syonymy (15 available, 17 total) | specimens (0)
Range: Widespread in North America. (North America)
Genbank sequences: 16S, 18S, 5.8S, COI, ITS1
IUCN Red List: Least Concern (Musculium partumeium)
NatureServe: G5 (Musculium partumeium)
other links: MolluscaBase
| Sphaerium parvium Yen, 1948
syonymy (1 available, 1 total) | specimens (0)
Range: Yangtze River, China. (East Asia)
other links: MolluscaBase | Sphaerium patagonicum (Pilsbry, 1911)
syonymy (1 available, 1 total) | specimens (0)
Range: Argentina. (South America)
other links: MolluscaBase |  Sphaerium patella (Gould, 1850)
syonymy (3 available, 3 total) | specimens (0)
Range: Western North America. (North America)
NatureServe: G2
other links: MolluscaBase
| Sphaerium problematicum Gabriel, 1939
syonymy (1 available, 1 total) | specimens (0)
Range: Eastern Australia. (Australasia)
IUCN Red List: Data Deficient (Musculium problematicum)
other links: MolluscaBase | Sphaerium queretaronis Pilsbry, 1926
syonymy (1 available, 1 total) | specimens (0)
Range: Mexico. (Central America) | Sphaerium quirindi (Korniushin, 2000)
syonymy (1 available, 2 total) | specimens (0)
Range: Northeastern New South Wales, Australia. (Australasia)
IUCN Red List: Data Deficient (Musculium quirindi)
other links: MolluscaBase | Sphaerium ranae van Benthem Jutting, 1927
syonymy (2 available, 2 total) | specimens (0)
Range: Island of Buru, Maluku Islands, Indonesia. (East Asia)
other links: MolluscaBase | Sphaerium regulare Mandahl-Barth, 1954
syonymy (1 available, 1 total) | specimens (0)
Range: Lakes Victoria and Edward, Africa. (Afrotropics)
IUCN Red List: Endangered B1ab(iii) (Sphaerium regularis)
other links: MolluscaBase |  Sphaerium rhomboideum (Say, 1822)
syonymy (2 available, 2 total) | specimens (0 + 1 Genbank voucher)
Range: North America, at higher latitudes. (North America)
Genbank sequences: 16S, 18S, 5.8S, COI, ITS1
IUCN Red List: Least Concern
NatureServe: G5
other links: MolluscaBase
| Sphaerium rivicola (Lamarck, 1818)
syonymy (6 available, 10 total) | specimens (3 + 1 Genbank voucher)
Range: Widespread in Europe. (North Eurasia)
Genbank sequences: 16S, 18S, 28S, 5.8S, ITS1
IUCN Red List: Vulnerable A2ace
other links: MolluscaBase | Sphaerium ryckholtii (Normand, 1844)
syonymy (2 available, 2 total) | specimens (0)
Range: Caucasia. (North Eurasia) |  Sphaerium securis (Prime, 1852)
syonymy (7 available, 7 total) | specimens (0)
Range: Widespread in North America. (North America)
Genbank sequences: 16S, 18S, 5.8S, COI, ITS1, other
IUCN Red List: Least Concern (Musculium securis)
NatureServe: G5 (Musculium securis)
other links: MolluscaBase
|  Sphaerium simile (Say, 1817)
syonymy (13 available, 22 total) | specimens (0 + 1 Genbank voucher)
Range: North America, at higher latitudes. (North America)
Genbank sequences: 16S, 18S, 28S, 5.8S, other
IUCN Red List: Least Concern
NatureServe: G5
other links: MolluscaBase
| Sphaerium solidum (Normand, 1844)
syonymy (2 available, 2 total) | specimens (0)
Range: Europe. (North Eurasia)
Genbank sequences: 16S, 18S, 5.8S, ITS1
IUCN Red List: Near Threatened
other links: MolluscaBase |  Sphaerium striatinum (Lamarck, 1818)
syonymy (35 available, 64 total) | specimens (0)
Range: Widespread in North America. (North America)
Genbank sequences: 16S, 18S, 28S, 5.8S, COI, H3, ITS1, other
IUCN Red List: Least Concern
NatureServe: G5
other links: MolluscaBase
| Sphaerium stuhlmanni Martens, 1897
syonymy (2 available, 2 total) | specimens (0 + 2 Genbank vouchers)
Range: Lake Victoria, Africa. (Afrotropics)
Genbank sequences: 16S, 28S
IUCN Red List: Least Concern
other links: MolluscaBase | Sphaerium subtransversum Prime, 1860
syonymy (1 available, 1 total) | specimens (0)
Range: Mexico. (Central America)
NatureServe: G5 (Musculium transversum)
other links: MolluscaBase | Sphaerium tasmanicum (Tenison-Woods, 1876)
syonymy (9 available, 12 total) | specimens (0 + 1 Genbank voucher)
Range: Eastern Australia. (Australasia)
Genbank sequences: 16S, 18S, 28S, 5.8S, COI, H3, ITS1
other links: MolluscaBase | Sphaerium tatiarae Cotton & Godfrey, 1938
syonymy (2 available, 2 total) | specimens (0)
Range: Southeastern Australia and Tasmania. (Australasia)
other links: MolluscaBase | Sphaerium titicacense (Pilsbry, 1924)
syonymy (1 available, 2 total) | specimens (0)
Range: Lake Titicaca, Peru and Bolivia. (South America)
other links: MolluscaBase |  Sphaerium transversum (Say, 1829)
syonymy (7 available, 8 total) | specimens (1)
Range: North America, east of the Rockies. Introduced to Europe. (North America, North Eurasia)
Genbank sequences: 16S, 18S, 5.8S, COI, ITS1
IUCN Red List: Least Concern
other links: MolluscaBase
|  Sphaerium triangulare (Say, 1829)
syonymy (1 available, 1 total) | specimens (0)
Range: Mexico. (Central America)
other links: MolluscaBase
| Sphaerium victoriae E.A. Smith, 1906
syonymy (5 available, 5 total) | specimens (0)
Range: Upper Nile Great Lakes, Africa. (Afrotropics)
IUCN Red List: Least Concern
other links: MolluscaBase |
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