| 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 | ... | Unionoidea | Unionidae | Unioninae | Anodontini | Alasmidontina genus Pyganodon Crosse & Fischer, 1894: species
2 available nominal genus synonyms (3 total synonyms) | cladomics  Pyganodon cataracta (Say, 1817)
syonymy (12 available, 19 total) | specimens (6 + 1 Genbank voucher)
Range: New Brunswick, Canada south to the Altamaha River, Georgia, USA; and in the Apalachicola River, USA. (North America)
Genbank sequences: 16S, 28S, COI, COII M-type, ITS1, ND1, other
IUCN Red List: Least Concern
NatureServe: G5
other links: MolluscaBase
|  Pyganodon fragilis (Lamarck, 1819)
syonymy (8 available, 12 total) | specimens (7)
Range: Northern Atlantic Slope, Canada. (North America)
Genbank sequences: 16S, COI, COI M-type, COII M-type, ITS1
IUCN Red List: Least Concern
NatureServe: G4
other links: MolluscaBase
|  Pyganodon gibbosa (Say, 1824)
syonymy (1 available, 1 total) | specimens (0)
Range: Altamaha River, Georgia, USA. (North America)
IUCN Red List: Near Threatened
NatureServe: G3
other links: MolluscaBase
|  Pyganodon grandis (Say, 1829)
syonymy (49 available, 77 total) | specimens (71 + 1 Genbank voucher)
Range: Widespread in the Central North America, from Mexico to the Arctic. Invading east to the Atlantic Slope. (North America, Central America)
Genbank sequences: 16S, 16S M-type, 28S, 5.8S, COI, COI M-type, COII, COII M-type, ITS1, mtGenome, mtGenome M-type, ND1, other, SRA
IUCN Red List: Least Concern
NatureServe: G5
other links: MolluscaBase
|  Pyganodon lacustris (Lea, 1857)
syonymy (1 available, 2 total) | specimens (1)
Range: Interior and Great Lakes basins in Minnesota, Wisconsin, and Michigan, USA; also Quebec, Canada. (North America)
Genbank sequences: COI, COI M-type, COII M-type, ND1, other
IUCN Red List: Least Concern
NatureServe: G4
other links: MolluscaBase
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