MUSSELpdb

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Unionidae

Margaritiferidae

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Mycetopodidae

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Species & Genus Richness by
Taxonomy

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Summary

North America

Central America

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Species Richness & Endemism by
Geography

Data last updated
Sun 2 Nov 2025

Bivalvia | Unionoida | Unionoidea | Margaritiferidae | Margaritiferinae | Margaritifera margaritifera

nominal species Unio elongata Michaud, 1831

= Margaritifera margaritifera

Taxonomic Opinions

+ Margaritana margaritifera (Linné) — Germain, 1931

+ Unio (sec. Lymnium) batavus (Maton & Rackett, 1807) — Simpson, 1914

+ Unio (sec. Lymnium) batavus (Maton & Rackett, 1807) — Simpson, 1900

+ Margaritana margaritifera (Lin.) — Westerlund, 1890

+ Margaritana michaudi Locard — Locard, 1889

+ Unio sinuata Lamarck, 1819 — Sowerby, 1868

+ Unio margaritifer Linné — Küster, 1855

+ Unio margaritifer [sic] Retz. — Dupuy, 1843

+ Unio margaritifer var. minor mihi — Rossmässler, 1835