| Page last updated
Wed 1 October 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!
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Bivalvia | Unionoida | Unionoidea | Unionidae | Ambleminae | Quadrulini genus Megalonaias Utterback, 1915: species
1 available nominal genus synonym (2 total synonyms) | cladomics  Megalonaias nervosa (Rafinesque, 1820)
syonymy (7 available, 14 total) | specimens (24 + 5 Genbank vouchers)
Range: Widespread in the Interior Basin and Gulf Coastal Plain, including the Ochlochonee of Florida, USA south into Mexico. (North America)
Genbank sequences: 16S, 28S, 5.8S, COI, ITS1, ND1, other, SRA
IUCN Red List: Least Concern
NatureServe: G5
other links: MolluscaBase
|  Megalonaias nickliniana (Lea, 1834)
syonymy (3 available, 6 total) | specimens (29)
Range: Pánuco, Papaloapán, and the Usumacinta basins, Mexico to Guatemala. (Central America)
other links: MolluscaBase
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