Home | About | Database | Mussel of the Month | Publications & Presentations

MUSSELpdb

Introduction

Browse

d'basing


Search the MUSSELpdb

Taxonomy

all genera

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
Thu 22 January 2026

Bivalvia | Unionida | Unionoidea | Margaritiferidae | Margaritiferinae | Pseudunio auricularius

nominal species Margarita (Unio) crassiamus Preston, 1912

Margarita (Unio) crassiamus Preston, 1912 = Pseudunio auricularius

‘Lea’ Preston, 1912. Rec. Ind. Mus. 7: 286.
(error for Margarita (Unio) crassissimus Lea, 1836)

= Pseudunio auricularius

Taxonomic Opinions
NSF icon

Site developed and maintained by Dan Graf & Kevin Cummings.
Funded by The National Science Foundation.

"Making the world a better place, one mollusk at a time."
MUSSEL icon