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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 Preston (1916): summary

Full Citation

Preston. 1916. Zool. Rec. 51.

Attributed Nominal Genera

Physanio Preston, 1916

Preston, 1916. Zool. Rec. 51: 66.
(error for Physunio Simpson, 1900)
Type species: Unio gravidus Lea, 1856 = Physunio superbus

Quaduila Preston, 1916

Preston, 1916. Zool. Rec. 51: 66.
(error for Quadrula Rafinesque, 1820)
Type species: Obliquaria (Quadrula) quadrula Rafinesque, 1820 = Quadrula quadrula

Symphanota Preston, 1916

Preston, 1916. Zool. Rec. 51: 66.
(error for Symphynota Lea, 1829)
Type species: Unio alatus Say, 1817 = Potamilus alatus

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