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d'basing
all genera
Unionidae
Margaritiferidae
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Species & Genus Richness offreshwater musselsby Taxonomy
Species & Genus Richness offreshwater bivalves by Family
Summary
North America
Central America
South America
Afrotropics
North Eurasia
East Asia
Australasia
Species Richness & Endemism offreshwater mussels by Geography
Data last updated Thu 22 January 2026
Bivalvia | ... | Unionoidea | Unionidae | Ambleminae | Popenaiadini | Nephronaias aztecorum
Nephronaias aztecorum (Philippi, 1847), river, 14 km E Xilitla, San Luis Potosi, Mexico, 21° 26’ 13” N, 98° 56’ 00” W