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 | Gonideinae | Contradentini | Lens contradens

nominal species Trapezoideus peninsularius ‘Simpson’ of Authors

Trapezoideus peninsularius ‘Simpson’ of Authors = Lens contradens

‘Simpson’ of Authors.
Graf & Cummings, 2007. J. Moll. Studies 73: 312.
Bogan, 2010. FADA: [web].
(error for Trapezoideus peninsularis Simpson, 1900)

= Lens contradens

Taxonomic Opinions

+ Lens contradens (Lea, 1838), comb. nov. — Pfeiffer et al., 2021

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