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
Mon 1 Dec 2025

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

nominal species Unio subtilis Drouët, 1879

Unio subtilis Drouët, 1879 = Unio crassus

Drouët, 1879. J. de Conch. 27: 142.

= Unio crassus

Taxonomic Opinions

+ Unio crassus Philipsson in Retzius, 1788 — Lopes-Lima et al., 2024

+ Unio crassus batavus (Maton & Rackett, 1807) — Haas, 1969

+ Unio crassus batavus (Maton & Rackett, 1807) — Haas, 1940

+ Unio mancus var. amnicus Ziegler — Germain, 1931

= Unio (Groupe des Mancusiana) subtilis Drouet — Caziot, 1907

= Unio (Groupe de l’U. mancus) subtilis Drouet — Locard, 1893

= Unio subtilis Drouet, 1879 — Westerlund, 1890

= Unio (Mancusiana) subtilis Drouët — Locard, 1889

= Unio subtilis Drouët — Drouët, 1889

= Unio subtilis Drouët, 1879 — Kobelt, 1886

= Unio (Groupe de l’U. Brevierei) subtilis Drouët — Locard, 1882

= Unio subtilis Drouët — Drouët, 1879

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