MUSSELpdb

Introduction

Browse

d'basing

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

Genbank Accession KC703928 (COI): voucher & citations

Unio crassus Philipsson in Retzius, 1788

Voucher/Isolate Data

MNHN_IM-2009-21219. Ourcq River (Seine Basin), France (49.186301, 3.360753).

Associated Genbank Accessions: 16S: KC703529, 28S: KC703777, COI: KC703928

Taxonomic Opinions/Usage

• Unio crassus Philipsson in Retzius, 1788 — Lopes-Lima et al. (2024)
• Unio cf. courtillieri — Lopes-Lima et al. (2021)
• Unio crassus courtillieri Hattemann, 1859 — Prié & Puillandre (2014)