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
Mon 1 Dec 2025

nominal species Unio altus Conrad, 1854

= nomen dubium

Taxonomic Opinions

+ — Graf & Cummings, 2021

= Pleurobema altum (Conrad, 1854) — ITIS, 2012

= Pleurobema altum — Cummings & Graf, 2010

+ Pleurobema fibuloides (Lea, 1859) — Williams et al., 2008

= Pleurobema altum (Conrad, 1854) — Graf & Cummings, 2007

= Pleurobema altum (Conrad, 1854) — IUCN, 2000

= Pleurobema altum (Conrad) — Lydeard et al., 1999

= Pleurobema altum (Conrad, 1854) — Turgeon et al., 1998

= Pleurobema altum (Conrad) — Williams et al., 1993

= Pleurobema altum (Conrad, 1854) — Turgeon et al., 1988

= Pleurobema altum (Conrad, 1854) — Burch, 1975

= Pleurobema altum (Conrad, 1854) — Haas, 1969

= Pleurobema (s.s.) altum (Conrad, 1854) — Frierson, 1927

= Pleurobema (s.s.) altum (Conrad, 1854) — Simpson, 1914

= Pleurobema (s.s.) alta (Conrad, 1854) — Simpson, 1900

= Unio altus Con. — B.H. Wright, 1888

+ — Lea, 1870