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Taxonomy

all genera

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
Thu 22 January 2026

Bivalvia | ... | Unionoidea | Unionidae | Ambleminae | Lampsilini | Obovaria retusa

nominal species Unio jorsus de Gregorio, 1914

Unio jorsus de Gregorio, 1914 = Obovaria retusa

‘Rafinesque’ de Gregorio, 1914. Il Nat. Siciliano 2: 43, 56.
(error for Obovaria torsa Rafinesque, 1820)

= Obovaria retusa

Taxonomic Opinions
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