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

North Eurasia

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Australasia

Species Richness & Endemism by
Geography

Data last updated
Sun 2 Nov 2025

Bivalvia | ... | Unionoidea | Unionidae | Ambleminae | Lampsilini | Mesonaias umbrosa

Specimen MNHN_MP_1323: Images

Mesonaias umbrosa (Lea, 1856), Fleuve du Medequigue, near Vera Cruz