MUSSELp

MUSSELpdb

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Unionidae

Margaritiferidae

Hyriidae

Etheriidae

Mycetopodidae

Iridinidae


Species & Genus Richness by
Taxonomy

Geography

Summary

North America

Central America

South America

Afrotropics

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East Asia

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Species Richness & Endemism by
Geography

Data last updated
Thu 1 January 2026

Bivalvia | ... | Unionidae | Ambleminae | Quadrulini | Quadrulina | Theliderma cylindrica

nominal species Unio rugosus Chenu, 1862

Unio rugosus Chenu, 1862 = Theliderma cylindrica

‘Barnes’ Chenu, 1862. Manuel Conchyl. 2: 138, text fig.
(misidentified reference to Unio rugosus Barnes, 1823)

= Theliderma cylindrica

Taxonomic Opinions

+ Theliderma cylindrica (Say, 1817) — Lopes-Lima et al., 2019

+ Quadrula cylindrica cylindrica (Say, 1817) — Watters et al., 2009

+ Quadrula cylindrica (Say, 1817) — Parmalee & Bogan, 1998

+ Orthonymus cylindricus (Say, 1817) — Haas, 1969

+ Quadrula (Orthonymus) cylindrica (Say, 1817) — Frierson, 1927

+ Quadrula (s.s.) cylindrica (Say, 1817) — Simpson, 1914

+ Quadrula (s.s.) cylindrica (Say, 1817) — Simpson, 1900

 
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