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 | Ambleminae | Popenaiadini | Psoronaias crocodilorum

nominal species Unio testudineus Morelet, 1849

Unio testudineus Morelet, 1849 = Psoronaias crocodilorum

Morelet, 1849. Test. Nov. 1: 28.
Type(s): LECTOTYPE [AS HOLOTYPE] BMNH_94-3-22-1 (by R.I. Johnson, 1971: 96), flumen Usumacinta, Guatemala.

= Psoronaias crocodilorum

Taxonomic Opinions

+ Psoronaias crocodilorum (Morelet, 1849) — Cummings et al., 2025

= Psoronaias testudinarea [sic] Morelet, 1849 — Bogan, 2010

= Psoronaias testudinea (Morelet, 1849) — Haas, 1969

= Psoronaias testudineus Mor. — Haas, 1930

= Psoronaias testudinea (Morelet) — Haas, 1929

+ Psoronaias semigranosus (von dem Busch, 1845) — Frierson, 1927

= Unio (sec. Elliptio) testudineus Morelet, 1849 — Simpson, 1914

= Unio (sec. Elliptio) testudineus Morelet, 1849 — Simpson, 1900

= Unio (Psoronaias) semigranosus var. testudineus Morelet, 1849 — Martens, 1900

= Unio (Psoronaias) testudineus A. Morelet, 1849 — Fischer & Crosse, 1894

+ — Lea, 1870

= Unio testudineus Morelet, 1849 — Reeve, 1865

+ — Lea, 1852

= Unio testudineus — Morelet, 1849