MUSSELpdb

Introduction

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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
Thu 18 Dec 2025

Bivalvia | ... | Unionoidea | Unionidae | Gonideinae | Gonideini | Simpsonasus politus

nominal species Nasus politus Tolstikova, 1974

= Simpsonasus politus

Taxonomic Opinions

= Simpsonasus politus (Tolstikova, 1974) — Bolotov et al., 2023