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 Euglesa Jenyns, 1832: species 34 available nominal genus synonyms (40 total synonyms) | cladomics Euglesa adamsii (Stimpson, 1851) syonymy (6 available, 6 total) | specimens (0) Range: Widespread in North America east of the Rockies. (North America) Genbank sequences: 16S, 18S, 5.8S, ITS1, other IUCN Red List: Least Concern (Pisidium adamsi) NatureServe: G5 (Pisidium adamsi) other links: MolluscaBase
| Euglesa aslini (Kuiper, 1983) syonymy (1 available, 1 total) | specimens (0) Range: Endemic to the Glenelg River, Victoria, Australia. (Australasia) IUCN Red List: Data Deficient (Pisidium aslini) other links: MolluscaBase | Euglesa atkinsoniana (Theobald, 1876) syonymy (1 available, 1 total) | specimens (0 + 3 Genbank vouchers) Range: India and Nepal. (East Asia) Genbank sequences: 16S, COI, H3 IUCN Red List: Least Concern (Pisidium atkinsonianum) other links: MolluscaBase | Euglesa cara (Cotton, 1953) syonymy (1 available, 1 total) | specimens (0) Range: Widespread in eastern Australia. (Australasia) IUCN Red List: Data Deficient (Pisidium carum) other links: MolluscaBase | Euglesa casertana (Poli, 1791) syonymy (147 available, 179 total) | specimens (2 + 111 Genbank vouchers) Range: Cosmopolitan. (North America, Central America, South America, Afrotropics, North Eurasia, East Asia, Australasia) Genbank sequences: 16S, 18S, 28S, 5.8S, COI, H3, ITS1, other IUCN Red List: Data Deficient (Pisidium ellipticum), Least Concern NatureServe: G5 (Pisidium casertanum) other links: MolluscaBase
| Euglesa cavitica (Zhadin, 1952) syonymy (1 available, 2 total) | specimens (0) Range: Caucasia. (North Eurasia) other links: MolluscaBase | Euglesa centralis (Korniushin, 2000) syonymy (1 available, 1 total) | specimens (0) Range: Central Australia. (Australasia) IUCN Red List: Vulnerable D2 (Pisidium centrale) other links: MolluscaBase | Euglesa chankensis (Likharev in Zhadin, 1952) syonymy (4 available, 5 total) | specimens (0) Range: Lower Amur Basin, including the Ussuri, eastern Russia. (East Asia) other links: MolluscaBase | Euglesa chilensis (d’Orbigny, 1846) syonymy (2 available, 2 total) | specimens (0) Range: Chile. (South America) Genbank sequences: 18S, 5.8S, ITS1 IUCN Red List: Least Concern (Pisidium chilense) other links: MolluscaBase
| Euglesa clausi Korniushin, 2006 syonymy (1 available, 1 total) | specimens (0) Range: New Guinea. (Australasia) other links: MolluscaBase | Euglesa compressa (Prime, 1852) syonymy (18 available, 18 total) | specimens (0 + 2 Genbank vouchers) Range: Widespread in North America. Introduced to Europe. (North America, North Eurasia) Genbank sequences: 16S, 18S, 28S, 5.8S, COI, ITS1, other IUCN Red List: Least Concern NatureServe: G5 (Pisidium compressum) other links: MolluscaBase
| Euglesa coreana (Kwon, 1990) syonymy (1 available, 1 total) | specimens (0) Range: Korea. (East Asia) Genbank sequences: COI, mtGenome, other other links: MolluscaBase | Euglesa costulosa (Connolly, 1931) syonymy (1 available, 1 total) | specimens (0 + 2 Genbank vouchers) Range: South Africa. (Afrotropics) Genbank sequences: 16S, 28S, COI, H3 IUCN Red List: Least Concern other links: MolluscaBase | Euglesa depressinitida Anistratenko & Starobogatov, 1990 syonymy (1 available, 1 total) | specimens (0) Range: Europe to western Siberia. (North Eurasia) other links: MolluscaBase | Euglesa edlaueri (Kuiper, 1960) syonymy (1 available, 1 total) | specimens (0 + 10 Genbank vouchers) Range: Lake Ohrid, Albania and Macedonia. (North Eurasia) Genbank sequences: 16S, 28S, COI IUCN Red List: Endangered B1ab(iii)+2ab(iii) other links: MolluscaBase | Euglesa equilateralis (Prime, 1852) syonymy (1 available, 2 total) | specimens (0) Range: Great Lakes, northern Interior Basin and northern Atlantic Slope, North America. (North America) IUCN Red List: Least Concern (Pisidium equilaterale) NatureServe: G4 (Pisidium equilaterale) other links: MolluscaBase
| Euglesa etheridgii (E.A. Smith, 1882) syonymy (2 available, 3 total) | specimens (0) Range: Eastern Australia. (Australasia) IUCN Red List: Least Concern (Pisidium etheridgii) other links: MolluscaBase | Euglesa ethiopica (Korniushin, 1995) syonymy (1 available, 2 total) | specimens (0 + 4 Genbank vouchers) Range: Ethiopia. (Afrotropics) Genbank sequences: 16S, 28S, COI, H3 IUCN Red List: Critically Endangered B1ab(iii)+2ab(iii) (Pisidium ethiopicum) other links: MolluscaBase | Euglesa fallax (Sterki, 1896) syonymy (7 available, 7 total) | specimens (0) Range: Northern North America. (North America) Genbank sequences: 16S, 18S, 5.8S IUCN Red List: Least Concern (Pisidium fallax) NatureServe: G5 (Pisidium fallax) other links: MolluscaBase | Euglesa ferruginea (Prime, 1852) syonymy (9 available, 9 total) | specimens (0) Range: Northern North America. (North America) Genbank sequences: 16S IUCN Red List: Least Concern (Pisidium ferrugineum) NatureServe: G5 (Pisidium ferrugineum) other links: MolluscaBase
| Euglesa floresiana (Rensch, 1934) syonymy (2 available, 2 total) | specimens (0 + 3 Genbank vouchers) Range: Sunda Islands and New Guinea. (East Asia, Australasia) Genbank sequences: 16S, 28S, COI, H3 other links: MolluscaBase | Euglesa fultoni (Kuiper, 1983) syonymy (1 available, 1 total) | specimens (0) Range: Endemic to Tasmania. (Australasia) IUCN Red List: Data Deficient (Pisidium fultoni) other links: MolluscaBase | Euglesa giraudi (Bourguignat, 1885) syonymy (2 available, 2 total) | specimens (0) Range: Endemic to Lake Tanganyika, Africa. (Afrotropics) IUCN Red List: Data Deficient (Pisidium giraudi) other links: MolluscaBase | Euglesa globularis (Clessin in Westerlund, 1873) syonymy (3 available, 3 total) | specimens (0 + 57 Genbank vouchers) Range: Widespread, from Europe to Magadan in the Russian Far East. Also reported from Colorado in North America. (North America, North Eurasia, East Asia) Genbank sequences: 16S, 28S, 5.8S, COI, H3, ITS1 other links: MolluscaBase | Euglesa granum (Lindholm, 1909) syonymy (1 available, 1 total) | specimens (0) Range: Lake Baikal. (North Eurasia) other links: MolluscaBase | Euglesa gurvichi Izzatullaev & Starobogatov in Izzatullaev, 1985 syonymy (1 available, 1 total) | specimens (0) Range: Central Asia. (North Eurasia) IUCN Red List: Data Deficient other links: MolluscaBase | Euglesa hallae (Kuiper, 1983) syonymy (1 available, 1 total) | specimens (0 + 5 Genbank vouchers) Range: Southeastern Australia. (Australasia) Genbank sequences: 16S, 18S, 28S, 5.8S, COI, H3 other links: MolluscaBase | Euglesa henslowana (Sheppard, 1825) syonymy (15 available, 25 total) | specimens (1 + 22 Genbank vouchers) Range: Native range 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, other IUCN Red List: Least Concern NatureServe: G5 (Pisidium henslowanum) other links: MolluscaBase
| Euglesa hinzi (Kuiper, 1975) syonymy (6 available, 6 total) | specimens (0 + 3 Genbank vouchers) Range: Widespread, from Scandinavia to Kamchatka. (North Eurasia, East Asia) Genbank sequences: 16S, 28S other links: MolluscaBase | Euglesa hodgkini (Suter, 1905) syonymy (1 available, 1 total) | specimens (0) Range: New Zealand. (Australasia) IUCN Red List: Least Concern (Pisidium hodgkini) other links: MolluscaBase | Euglesa interstitialis (Bössneck, Groh & Richling in Groh et al., 2020) syonymy (1 available, 1 total) | specimens (0 + 2 Genbank vouchers) Range: Europe. (North Eurasia) Genbank sequences: 16S, 28S, COI, H3 IUCN Red List: Data Deficient other links: MolluscaBase | Euglesa keniana (Preston, 1911) syonymy (3 available, 4 total) | specimens (0 + 6 Genbank vouchers) Range: Eastern Africa, including the upper Congo Basin. (Afrotropics) Genbank sequences: 16S, 28S, COI, H3 IUCN Red List: Least Concern (Pisidium kenianum) other links: MolluscaBase | Euglesa khurbaensis Zatravkin, 1987 syonymy (2 available, 2 total) | specimens (0 + 4 Genbank vouchers) Range: Amur Basin (Primorye), eastern Russia. (East Asia) Genbank sequences: 16S, 28S other links: MolluscaBase | Euglesa kolymensis Bespalaya, Aksenova & Bolotov in Bespalaya, 2023 syonymy (1 available, 1 total) | specimens (0 + 1 Genbank voucher) Range: Siberia. (North Eurasia) Genbank sequences: 16S, 28S other links: MolluscaBase | Euglesa korniushini Frolov, 2010 syonymy (1 available, 1 total) | specimens (0) Range: European Russia. (North Eurasia) IUCN Red List: Data Deficient other links: MolluscaBase | Euglesa korotnevi (Lindholm, 1909) syonymy (1 available, 2 total) | specimens (0) Range: Lake Baikal. (North Eurasia) other links: MolluscaBase | Euglesa kosciusko (Iredale, 1943) syonymy (1 available, 1 total) | specimens (0) Range: Eastern Australia. (Australasia) IUCN Red List: Data Deficient (Pisidium kosciusko) other links: MolluscaBase | Euglesa kyrgyzica Bespalaya, Aksenova, Kondakov & Palatov in Bespalaya, 2023 syonymy (1 available, 1 total) | specimens (0 + 1 Genbank voucher) Range: Kyrgystan. (North Eurasia) Genbank sequences: 16S, 28S other links: MolluscaBase | Euglesa langleyana (Melvill & Ponsoby, 1891) syonymy (1 available, 1 total) | specimens (0) Range: Southern Africa, north to Lake Bangweulu, Zambia. (Afrotropics) IUCN Red List: Least Concern other links: MolluscaBase | Euglesa lilljeborgii (Clessin in Esmark & Hoyer, 1886) syonymy (14 available, 16 total) | specimens (0 + 48 Genbank vouchers) Range: Holarctic, at higher latitudes and altitudes. (North America, North Eurasia, East Asia) Genbank sequences: 16S, 18S, 28S, 5.8S, COI, H3, ITS1, other IUCN Red List: Least Concern NatureServe: G5 (Pisidium lilljeborgi) other links: MolluscaBase | Euglesa lindholmi (Starobogatov & Streletzkaja, 1967) syonymy (1 available, 1 total) | specimens (0 + 1 Genbank voucher) Range: Siberia. (North Eurasia) Genbank sequences: 16S, 28S other links: MolluscaBase | Euglesa ljovuschkini (Starobogatov, 1962) syonymy (1 available, 2 total) | specimens (0 + 10 Genbank vouchers) Range: Caucasia. (North Eurasia) Genbank sequences: 16S, 28S other links: MolluscaBase | Euglesa lyudmilae Frolov, 2010 syonymy (1 available, 1 total) | specimens (0) Range: European Russia. (North Eurasia) other links: MolluscaBase | Euglesa maasseni (Kuiper, 1987) syonymy (1 available, 1 total) | specimens (0 + 8 Genbank vouchers) Range: Lake Ohrid, Albania and Macedonia. (North Eurasia) Genbank sequences: 16S IUCN Red List: Critically Endangered B1ab(iii) other links: MolluscaBase | Euglesa milium (Held, 1836) syonymy (9 available, 10 total) | specimens (0 + 12 Genbank vouchers) Range: Widespread in Eurasia, as well as North America west of the Great Lakes. Pleistocene fossils have been reported from the upper Nile. (North America, Afrotropics, North Eurasia, East Asia) Genbank sequences: 16S, 18S, 28S, 5.8S, COI, ITS1, other IUCN Red List: Least Concern NatureServe: G5 (Pisidium milium) other links: MolluscaBase | Euglesa minuta (Kozhov, 1936) syonymy (1 available, 1 total) | specimens (0) Range: Lake Baikal. (North Eurasia) other links: MolluscaBase | Euglesa mitchelli (Prashad, 1925) syonymy (1 available, 1 total) | specimens (0) Range: Central Asia and Kashmir. (North Eurasia, East Asia) other links: MolluscaBase | Euglesa mongolica Slugina & Starobogatov, 2001 syonymy (1 available, 1 total) | specimens (0) Range: Lake Khubsugal, Central Asia. (North Eurasia) IUCN Red List: Data Deficient other links: MolluscaBase | Euglesa moroccana Bespalaya, Vinarski, Aksenova, Mabrouki, Kondakov & Palatov in Bespalaya, 2023 syonymy (1 available, 1 total) | specimens (0 + 5 Genbank vouchers) Range: Morocco, eastern Europe, and Iran. (North Eurasia) Genbank sequences: 16S, 28S other links: MolluscaBase | Euglesa nipponensis (Kuroda, 1930) syonymy (1 available, 1 total) | specimens (0) Range: Japan. (East Asia) Genbank sequences: 16S, 18S, 28S, 5.8S, ITS1 other links: MolluscaBase | Euglesa nitida (Jenyns, 1832) syonymy (31 available, 38 total) | specimens (0 + 17 Genbank vouchers) Range: Holarctic. Pleistocene fossils have been reported from the upper Nile. (North America, Afrotropics, North Eurasia, East Asia) Genbank sequences: 16S, 18S, 28S, 5.8S, COI, H3, ITS1, other IUCN Red List: Least Concern NatureServe: G5 (Pisidium nitidum) other links: MolluscaBase
| Euglesa nordenskioldi (Clessin in Westerlund, 1876) syonymy (1 available, 1 total) | specimens (0 + 4 Genbank vouchers) Range: Eastern Europe to Siberia. (North Eurasia) Genbank sequences: 16S, 28S other links: MolluscaBase | Euglesa novaezelandiae (Prime, 1862) syonymy (1 available, 3 total) | specimens (0) Range: New Zealand. (Australasia) IUCN Red List: Least Concern (Pisidium novaezelandiae) other links: MolluscaBase
| Euglesa obtusalis (Lamarck, 1818) syonymy (14 available, 17 total) | specimens (2 + 18 Genbank vouchers) Range: Widespread, from Europe to Kamchatka. (North Eurasia, East Asia) Genbank sequences: 16S, 18S, 28S, 5.8S, COI, ITS1 IUCN Red List: Least Concern other links: MolluscaBase
| Euglesa ovampica (Ancey, 1890) syonymy (2 available, 3 total) | specimens (0 + 2 Genbank vouchers) Range: Eastern, central, and southern Africa and Madagascar. (Afrotropics) Genbank sequences: 16S, 28S, COI, H3 IUCN Red List: Least Concern other links: MolluscaBase | Euglesa paludosa (Hutton, 1849) syonymy (1 available, 1 total) | specimens (0) Range: Afghanistan. (East Asia) other links: MolluscaBase | Euglesa parvula (Clessin in Westerlund, 1873) syonymy (10 available, 10 total) | specimens (0 + 23 Genbank vouchers) Range: Widespread in Europe. (North Eurasia) Genbank sequences: 16S, 18S, 28S, 5.8S, COI, ITS1 other links: MolluscaBase | Euglesa personata (Malm, 1855) syonymy (4 available, 7 total) | specimens (0 + 18 Genbank vouchers) Range: Widespread in Europe. (North Eurasia) Genbank sequences: 16S, 18S, 28S, 5.8S, COI, H3, ITS1, other other links: MolluscaBase | Euglesa pirogovi Starobogatov in Stadnichenko, 1984 syonymy (3 available, 3 total) | specimens (0) Range: Western Siberia. (North Eurasia) | Euglesa pirothi (Jickeli, 1881) syonymy (6 available, 8 total) | specimens (0 + 4 Genbank vouchers) Range: Widespread in Africa, from the Nile to the west and south through East Africa. (Afrotropics) Genbank sequences: 16S, 28S, COI, H3 IUCN Red List: Least Concern other links: MolluscaBase | Euglesa platyvalva Slugina & Starobogatov, 1994 syonymy (1 available, 1 total) | specimens (0) Range: Lake Baikal. (North Eurasia) other links: MolluscaBase | Euglesa ponderi (Korniushin, 2000) syonymy (1 available, 2 total) | specimens (0) Range: Queensland and New South Wales, Australia. (Australasia) IUCN Red List: Least Concern (Pisidium ponderi) other links: MolluscaBase | Euglesa ponderosa (Stelfox, 1918) syonymy (1 available, 1 total) | specimens (0) Range: Europe and Siberia. (North Eurasia) other links: MolluscaBase | Euglesa pseudosphaerium (Favre, 1927) syonymy (2 available, 2 total) | specimens (0 + 1 Genbank voucher) Range: Europe. (North Eurasia) Genbank sequences: 16S IUCN Red List: Vulnerable A2c+3c; B2ab(iii,v) other links: MolluscaBase | Euglesa pulchella (Jenyns, 1832) syonymy (3 available, 4 total) | specimens (0) Range: Europe. (North Eurasia) Genbank sequences: 16S, 5.8S, ITS1, other other links: MolluscaBase | Euglesa raddei (Dybowski, 1902) syonymy (3 available, 3 total) | specimens (0) Range: Lake Baikal, Central Asia. (North Eurasia) other links: MolluscaBase | Euglesa rotundata (Prime, 1852) syonymy (2 available, 3 total) | specimens (0) Range: North America, at higher latitudes and altitudes. (North America) Genbank sequences: COI IUCN Red List: Least Concern (Pisidium rotundatum) NatureServe: G5 (Pisidium rotundatum) other links: MolluscaBase
| Euglesa semenkevitschi (Lindholm, 1909) syonymy (1 available, 1 total) | specimens (0) Range: Lake Baikal. (North Eurasia) other links: MolluscaBase | Euglesa shcherbinai Frolov, 2010 syonymy (1 available, 1 total) | specimens (0) Range: European Russia. (North Eurasia) IUCN Red List: Data Deficient other links: MolluscaBase | Euglesa stoliczkana (Prashad, 1933) syonymy (1 available, 1 total) | specimens (0) Range: Tibet. (East Asia) IUCN Red List: Data Deficient (Pisidium stoliczkanum) other links: MolluscaBase | Euglesa subconventus (Starobogatov & Streletzkaja, 1967) syonymy (1 available, 1 total) | specimens (0) Range: Siberia. (North Eurasia) | Euglesa subgranum Slugina & Starobogatov, 1994 syonymy (1 available, 1 total) | specimens (0) Range: Lake Baikal. (North Eurasia) other links: MolluscaBase | Euglesa subterranea (Zhadin, 1932) syonymy (1 available, 1 total) | specimens (0 + 1 Genbank voucher) Range: Caucasia. (North Eurasia) Genbank sequences: 16S, 28S other links: MolluscaBase | Euglesa subtruncata (Malm, 1855) syonymy (30 available, 34 total) | specimens (0 + 57 Genbank vouchers) Range: Holarctic, from Europe to Kamchatka, as well as western and Central North America. Pleistocene fossils have been reported from the upper Nile. (North America, Afrotropics, North Eurasia, East Asia) Genbank sequences: 16S, 18S, 28S, 5.8S, COI, H3, ITS1, other IUCN Red List: Least Concern NatureServe: G5 (Pisidium subtruncatum) other links: MolluscaBase | Euglesa sundana (Rensch, 1934) syonymy (1 available, 1 total) | specimens (0) Range: Java. (East Asia) other links: MolluscaBase | Euglesa supina (Schmidt, 1850) syonymy (6 available, 9 total) | specimens (0 + 6 Genbank vouchers) Range: Native to Europe and Central Asia. Introduced to the Laurentian Great Lakes. (North America, North Eurasia) Genbank sequences: 16S, 18S, 5.8S, COI, H3, ITS1, other IUCN Red List: Least Concern NatureServe: G5 (Pisidium supinum) other links: MolluscaBase | Euglesa tasmanica (Tenison-Woods, 1876) syonymy (1 available, 1 total) | specimens (0) Range: Widespread in eastern Australia. (Australasia) other links: MolluscaBase | Euglesa trigonoides (Dybowski, 1902) syonymy (1 available, 1 total) | specimens (0) Range: Lake Baikal. (North Eurasia) other links: MolluscaBase | Euglesa turkestanica Izzatullaev, 1974 syonymy (1 available, 1 total) | specimens (0) Range: Central Asia. (North Eurasia) Genbank sequences: 5.8S, ITS1 other links: MolluscaBase | Euglesa ultramontana (Prime, 1865) syonymy (1 available, 1 total) | specimens (0) Range: Western North America. (North America) IUCN Red List: Vulnerable D2 (Pisidium ultramontanum) NatureServe: G1 (Pisidium ultramontanum) other links: MolluscaBase
| Euglesa variabilis (Prime, 1852) syonymy (8 available, 11 total) | specimens (0) Range: Widespread in North America. (North America) Genbank sequences: 16S, 18S, 5.8S, ITS1 IUCN Red List: Least Concern (Pisidium variabile) NatureServe: G5 (Pisidium variabile) other links: MolluscaBase
| Euglesa ventricosa (Prime, 1851) syonymy (6 available, 8 total) | specimens (0) Range: North America, at high latitudes and altitudes. (North America) Genbank sequences: 16S, COI IUCN Red List: Least Concern (Pisidium ventricosum) NatureServe: G5 (Pisidium ventricosum) other links: MolluscaBase
| Euglesa viridaria (Kuiper, 1956) syonymy (1 available, 1 total) | specimens (0 + 4 Genbank vouchers) Range: Widespread in Africa, except the west. Also Madagascar. (Afrotropics) Genbank sequences: 16S, 28S, COI, H3 IUCN Red List: Least Concern other links: MolluscaBase | Euglesa waldeni (Kuiper, 1975) syonymy (1 available, 1 total) | specimens (0 + 6 Genbank vouchers) Range: Northern Europe. (North Eurasia) Genbank sequences: 16S, 28S, 5.8S, COI, ITS1 IUCN Red List: Least Concern other links: MolluscaBase | Euglesa walkeri (Sterki, 1895) syonymy (2 available, 2 total) | specimens (0) Range: North America, high latitudes and altitudes. (North America) Genbank sequences: 16S, 18S, 28S, COI, H3 IUCN Red List: Least Concern (Pisidium walkeri) NatureServe: G5 (Pisidium walkeri) other links: MolluscaBase | Euglesa zugmayeri (Weber, 1910) syonymy (1 available, 1 total) | specimens (0 + 3 Genbank vouchers) Range: Central Asia and Tibet. (North Eurasia, East Asia) Genbank sequences: 16S, 28S, COI, H3 IUCN Red List: Data Deficient (Pisidium zugmayeri) other links: MolluscaBase |
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