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Taxonomy

all genera

Summary

Unionidae

Margaritiferidae

Hyriidae

Etheriidae

Mycetopodidae

Iridinidae


Species & Genus Richness of
freshwater mussels
by Taxonomy


Species & Genus Richness of
freshwater bivalves
by Family

Geography

Summary

North America

Central America

South America

Afrotropics

North Eurasia

East Asia

Australasia


Species Richness & Endemism of
freshwater mussels
by Geography


Data last updated
Mon 2 March 2026

Publication Ortmann (1921): summary

Full Citation

Ortmann, A.E. 1921. Some Central American species of Naides [sic], belonging or allied to the genus Elliptio. Nautilus 35(1): 24-27. Available electronically.

Taxonomic Opinions

Elliptio calamitarum (Morelet) = Nephronaias calamitarum

Elliptio ortmanni (Frierson) = Nephronaias ortmanni

Elliptio ravistellus (Morelet) = Nephronaias ravistella

Elliptio yzabalensis (Crosse & Fischer) = Nephronaias yzabalensis

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