MUSSELpdb
Taxonomy
Species & Genus Richness of
freshwater mussels
by Taxonomy
Species & Genus Richness of
freshwater bivalves
by Family
Geography
Species Richness & Endemism of
freshwater mussels
by Geography
Data last updated
Mon 2 March 2026
Bivalvia | Unionida | Unionoidea | Unionidae | Ambleminae | Quadrulini | Megalonaias
species Megalonaias nickliniana (Lea, 1834): specimens
3 available nominal species synonyms (6 total synonyms)
Recent Taxonomic Opinions
Megalonaias nickliniana — Graf & Cummings (2007), Bogan (2010), Graf & Cummings (2021), Czaja et al. (2023), Cummings et al. (2025), Campbell & Lydeard (2026)
Megalonaias nicklineana [sic] — ITIS (2012)
Megalonaias nervosa — Pfeiffer et al. (2018)
Range
Pánuco, Papaloapán, and the Usumacinta basins, Mexico to Guatemala. (Central America: CA1)
Map of Georeferenced Specimens
MUSSELp Specimen Records
Guatemala
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Honduras
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Mexico
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COMA_B.0717. Río Pánuco, Veracruz, México
Nicaragua
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unknown
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GenBank Vouchers
There are no georeferenced GenBank vouchers for this species in the MUSSELpdb.
