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Page last updated
Wed 05 Jun 2019

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.

Search the database pages:

Bivalvia | Unionoida | Unionoidea

family Unionidae


Global Distribution of the Unionidae. The blue majority of the pie depicts the relative Recent species diversity of the family in the order Unionoida (714 of 923).

The Unionidae is the richest of the six extant freshwater mussel families by far. We currently recognize 714 Recent species (142 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: 4 tribes, 12 genera, 333 Recent species.
Distribition: Central America, East Asia, North America.

subfamily Unioninae: 4 tribes, 148 Recent species.
Distribition: Afrotropics, Central America, East Asia, North America, North Eurasia.

subfamily Parreysiinae: 5 tribes, 1 genus, 105 Recent species.
Distribition: Afrotropics, East Asia.

subfamily Gonideinae: 4 tribes, 9 genera, 73 Recent species.
Distribition: East Asia, North America, North Eurasia.

subfamily Rectidentinae: 2 tribes, 5 genera, 45 Recent species.
Distribition: Australasia, East Asia.

genus Pseudobaphia Simpson, 1900: 3 Recent species.
1 generic synonym | 3 valid species
Distribition: East Asia.

genus Ctenodesma Simpson, 1900: 2 Recent species.
3 generic synonyms | 2 valid species
Distribition: East Asia.

genus Schepmania Haas, 1910: 2 Recent species.
2 generic synonyms | 2 valid species
Distribition: East Asia.

genus Germainaia Graf & Cummings, 2009: 1 Recent species.
1 generic synonym | 1 valid species
Distribition: Afrotropics.

subfamily Modellnaiinae: 1 genus, 1 Recent species.
Distribition: East Asia.

genus Protunio Haas, 1912: 1 Recent species.
1 generic synonym | 1 valid species
Distribition: East Asia.

genus Archiparreysia Modell, 1964: fossil only.
1 generic synonym | 1 valid species

genus Comptio Liu & Luo, 1978: fossil only.
0 generic synonyms | 2 valid species

genus Costanaia MacNeil, 1935: fossil only.
1 generic synonym | 1 valid species

genus Eocuneopsis Guo, 1985: fossil only.
2 generic synonyms | 4 valid species

genus Eolamprotula Gu [Ku], 1962: fossil only.
1 generic synonym | 4 valid species

genus Gautieraia Van Damme & Pickford, 2010: fossil only.
1 generic synonym | 1 valid species

genus Grafunio Van Damme & Pickford, 2010: fossil only.
1 generic synonym | 1 valid species

genus Hadrodon Yen, 1952: fossil only.
1 generic synonym | 3 valid species

genus Mujanaia Delevene, Munt, Piñuela & García-Ramos, 2016: fossil only.
1 generic synonym | 1 valid species

genus Nkondonaia Van Damme & Pickford, 2010: fossil only.
1 generic synonym | 1 valid species

genus Obwerukunio Van Damme & Pickford, 2010: fossil only.
1 generic synonym | 1 valid species

genus Palindonaia Modell, 1950: fossil only.
1 generic synonym | 1 valid species

genus Paranodonta Kobayashi & Suzuki, 1936: fossil only.
1 generic synonym | 1 valid species

genus Plesielliptio Russell, 1934: fossil only.
2 generic synonyms | 10 valid species

genus Pliconaias Marshall, 1929: fossil only.
1 generic synonym | 1 valid species

genus Protelliptio Russell, 1934: fossil only.
1 generic synonym | 3 valid species

genus Protopleurobema Delvene & Araujo, 2009: fossil only.
1 generic synonym | 1 valid species

genus Pseudobovaria Adam, 1957: fossil only.
1 generic synonym | 3 valid species

genus Psilounio Guo, 1985: fossil only.
0 generic synonyms | 21 valid species

genus Ptychorhynchoideus Modell, 1931: fossil only.
2 generic synonyms | 1 valid species

genus Qiyangia Chen & Xu, 1980: fossil only.
0 generic synonyms | 2 valid species

genus Rhabdotophorus Russell, 1935: fossil only.
1 generic synonym | 3 valid species

genus Saharella Mongin, 1963: fossil only.
2 generic synonyms | 1 valid species

genus Sulcatapex Yen, 1946: fossil only.
1 generic synonym | 1 valid species

genus Sulcatula Leroy, 1940: fossil only.
1 generic synonym | 1 valid species

genus Tamesnella Mongin, 1963: fossil only.
1 generic synonym | 2 valid species

genus Teruella Mongin, 1965: fossil only.
1 generic synonym | 1 valid species

genus Unionelloides Gu [Ku], 1962: fossil only.
5 generic synonyms | 8 valid species

genus Vetulonaia Branson, 1935: fossil only.
2 generic synonyms | 3 valid species

Page updated: 14:18:39 Wed 05 Jun 2019

 
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