MUSSELp

MUSSELpdb

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all genera

Unionidae

Margaritiferidae

Hyriidae

Etheriidae

Mycetopodidae

Iridinidae


Species & Genus Richness by
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Summary

North America

Central America

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Species Richness & Endemism by
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Data last updated
Thu 18 Dec 2025

Bivalvia | ... | Unionoidea | Unionidae | Unioninae | Unionini | Nodularia douglasiae

nominal species Margarita (Unio) merchisonianus Lea, 1836

Margarita (Unio) merchisonianus Lea, 1836 = Nodularia douglasiae

Lea, 1836. Synopsis Fam. Naiades: 14 [corrected in the errata].
(error for Unio murchisonianus Lea, 1834)

= Nodularia douglasiae

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