MUSSELp

MUSSELpdb

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Taxonomy

all genera

Unionidae

Margaritiferidae

Hyriidae

Etheriidae

Mycetopodidae

Iridinidae


Species & Genus Richness by
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Geography

Summary

North America

Central America

South America

Afrotropics

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Species Richness & Endemism by
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Data last updated
Mon 1 Dec 2025

nominal species Pisidium ovatum Clessin, 1877

Pisidium ovatum Clessin, 1877 =

Clessin, 1877. Conch. Cab. 9(3): 72, pl. 8, figs. 22-24.
Clessin, 1877. Deutsche Excurs. Moll. Fauna: 517, fig. 334.

=

Taxonomic Opinions

= Pisidium ovatum Clessin — Servain, 1882

= Pisidium (Gruppe Fossarina) ovatum Clessin — Clessin, 1877

 
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