MUSSELp

MUSSELpdb

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Taxonomy

all genera

Unionidae

Margaritiferidae

Hyriidae

Etheriidae

Mycetopodidae

Iridinidae


Species & Genus Richness by
Taxonomy

Geography

Summary

North America

Central America

South America

Afrotropics

North Eurasia

East Asia

Australasia


Species Richness & Endemism by
Geography

Data last updated
Mon 1 Dec 2025

Bivalvia | Sphaerioida | Sphaerioidea | Sphaeriidae | Sphaeriinae | Sphaerium simile

nominal species Cyclas elliptica Prime, 1870

Cyclas elliptica Prime, 1870 = Sphaerium simile

‘Férussac’ Prime, 1870. Amer. J. Conch. 5: ??. [nomen nudum]

= Sphaerium simile

Taxonomic Opinions

+ Sphaerium simile (Say, 1817) — Mackie, 2007

+ Sphaerium (s.s.) simile (Say, 1816) — Burch, 1975

 
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