MUSSELp

MUSSELpdb

Introduction

Browse

d'basing

Search the MUSSELpdb

Taxonomy

all genera

Unionidae

Margaritiferidae

Hyriidae

Etheriidae

Mycetopodidae

Iridinidae


Species & Genus Richness by
Taxonomy

Geography

Summary

North America

Central America

South America

Afrotropics

North Eurasia

East Asia

Australasia


Species Richness & Endemism by
Geography

Data last updated
Thu 18 Dec 2025

Bivalvia | ... | Unionoidea | Unionidae | Unioninae | Unionini | Unio crassus

nominal species Unio batavus var. pusillus Rossmässler, 1844

Unio batavus var. pusillus Rossmässler, 1844 = Unio crassus

Rossmässler, 1844. Icon. Land- und Süssw.-Moll. 2 (6): ??.
(intro'd as intra-sp. of Mya batava Maton & Rackett, 1807; homonym of Unio pusillus Lea, 1840)

= Unio crassus

Taxonomic Opinions

+ Unio amnicus (Z.) Rssm. — Westerlund, 1890

+ Unio batavus var. crassus Retz. — Clessin, 1877

+ Unio (Lymnium) batavus var. L nanus Lam. — Moquin-Tandon, 1855

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