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Taxonomy

all genera

Summary

Unionidae

Margaritiferidae

Hyriidae

Etheriidae

Mycetopodidae

Iridinidae


Species & Genus Richness of
freshwater mussels
by Taxonomy


Species & Genus Richness of
freshwater bivalves
by Family

Geography

Summary

North America

Central America

South America

Afrotropics

North Eurasia

East Asia

Australasia


Species Richness & Endemism of
freshwater mussels
by Geography


Data last updated
Fri 13 February 2026

Bivalvia | Trigoniida

superfamily TRIGONIOIDEA Lamarck, 1819: synonymy

1 family

Synonyms

TRIGONIOIDEA Lamarck, 1819

Lamarck, 1819. Hist. Natur. Anim. sans Vert. 6: ??.
Type genus: Trigonia Bruguière, 1789 = Trigonia

NEOTRIGONIOIDEA Kobayashi, 1954

Kobayashi, 1954. Japan Jour. Geol. Geogr. 25: ??.
Type genus: Neotrigonia Cossmann, 1912 = Neotrigonia

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