| Page last updated
Thu 05 May 2022 |
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!
For each taxon, information is provided regarding habitat, horizon (Recent unless otherwise listed), and diversity. We are actively working on the Recent freshwater mussels, and those are the taxa for which the data are most complete. For other Recent freshwater bivalves, the information largely follows Graf (2013). For other taxa (e.g., marine, fossil), any content is largely incidental.
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Bivalvia | Unionoida | Unionoidea family UNIONIDAE Rafinesque, 1820
67 nominal families as synonyms | cladomics
Global Distribution of the Unionidae. The blue majority of the pie depicts the relative Recent species diversity of the family in the order Unionoida (768 of 971).
The Unionidae is the richest of the six extant freshwater mussel families by far. We currently recognize 768 Recent species (158 genera) worldwide, and there are representatives in each of the six geographical regions. In the no-so-distant past, we punted with regard to the infra-familial arrangement of the Unionidae. The classification has since been updated and is applied here. We currently recognize 6 Recent subfamilies.
 subfamily AMBLEMINAE Rafinesque, 1820: 330 Recent species.
17 family-group synonyms | 5 tribes| cladomics
Distribution: Central America, East Asia, North America. |
 subfamily UNIONINAE Rafinesque, 1820: 175 Recent species.
18 family-group synonyms | 3 tribes| cladomics
Distribution: Afrotropics, Central America, East Asia, North America, North Eurasia. |
 subfamily GONIDEINAE Ortmann, 1916: 156 Recent species.
15 family-group synonyms | 6 tribes, 6 genera| cladomics
Distribution: East Asia, North America, North Eurasia. |
 subfamily PARREYSIINAE Henderson, 1935: 103 Recent species.
14 family-group synonyms | 5 tribes| cladomics
Distribution: Afrotropics, East Asia. |
 genus Haasodonta McMichael, 1956: 2 Recent species.
1 generic synonym | 2 valid species | cladomics
Distribution: Australasia. |
 genus Germainaia Graf & Cummings, 2009: 1 Recent species.
1 generic synonym | 1 valid species | cladomics
Distribution: Afrotropics. |
 subfamily MODELLNAIINAE Brandt, 1974: 1 Recent species.
1 family-group synonym | 1 genus| cladomics
Distribution: East Asia. |
genus Archiparreysia Modell, 1964: fossil only.
1 generic synonym | 1 valid species | cladomics |
genus Comptio Liu & Luo, 1978: fossil only.
0 generic synonyms | 2 valid species | cladomics |
genus Costanaia MacNeil, 1935: fossil only.
1 generic synonym | 1 valid species | cladomics |
genus Eocuneopsis Guo, 1985: fossil only.
2 generic synonyms | 4 valid species | cladomics |
genus Eolamprotula Gu [Ku], 1962: fossil only.
1 generic synonym | 4 valid species | cladomics |
genus Gautieraia Van Damme & Pickford, 2010: fossil only.
1 generic synonym | 1 valid species | cladomics |
genus Grafunio Van Damme & Pickford, 2010: fossil only.
1 generic synonym | 1 valid species | cladomics |
genus Hadrodon Yen, 1952: fossil only.
1 generic synonym | 3 valid species | cladomics |
genus Limnoscapha Lindholm, 1932: fossil only.
2 generic synonyms | 2 valid species | cladomics |
genus Mujanaia Delevene, Munt, Piñuela & García-Ramos, 2016: fossil only.
1 generic synonym | 1 valid species | cladomics |
genus Nkondonaia Van Damme & Pickford, 2010: fossil only.
1 generic synonym | 1 valid species | cladomics |
genus Obwerukunio Van Damme & Pickford, 2010: fossil only.
1 generic synonym | 1 valid species | cladomics |
genus Palindonaia Modell, 1950: fossil only.
1 generic synonym | 1 valid species | cladomics |
genus Paranodonta Kobayashi & Suzuki, 1936: fossil only.
1 generic synonym | 1 valid species | cladomics |
genus Plesielliptio Russell, 1934: fossil only.
2 generic synonyms | 10 valid species | cladomics |
genus Pliconaias Marshall, 1929: fossil only.
1 generic synonym | 1 valid species | cladomics |
genus Protelliptio Russell, 1934: fossil only.
1 generic synonym | 3 valid species | cladomics |
genus Protopleurobema Delvene & Araujo, 2009: fossil only.
1 generic synonym | 1 valid species | cladomics |
genus Pseudobovaria Adam, 1957: fossil only.
1 generic synonym | 3 valid species | cladomics |
genus Psilounio Guo, 1985: fossil only.
0 generic synonyms | 21 valid species | cladomics |
genus Ptychorhynchoideus Modell, 1931: fossil only.
2 generic synonyms | 1 valid species | cladomics |
genus Qiyangia Chen & Xu, 1980: fossil only.
0 generic synonyms | 2 valid species | cladomics |
genus Radioplicata Huang, 1981: fossil only.
1 generic synonym | 1 valid species | cladomics |
genus Rhabdotophorus Russell, 1935: fossil only.
1 generic synonym | 3 valid species | cladomics |
genus Saharella Mongin, 1963: fossil only.
2 generic synonyms | 1 valid species | cladomics |
genus Sulcatapex Yen, 1946: fossil only.
1 generic synonym | 1 valid species | cladomics |
genus Sulcatula Leroy, 1940: fossil only.
1 generic synonym | 1 valid species | cladomics |
genus Tamesnella Mongin, 1963: fossil only.
1 generic synonym | 2 valid species | cladomics |
genus Teruella Mongin, 1965: fossil only.
1 generic synonym | 1 valid species | cladomics |
genus Unionelloides Gu [Ku], 1962: fossil only.
5 generic synonyms | 8 valid species | cladomics |
genus Vetulonaia Branson, 1935: fossil only.
2 generic synonyms | 3 valid species | cladomics |
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Page updated: 08:11:19 Thu 05 May 2022 |
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