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
Thu 18 Dec 2025

Bivalvia | ... | Unionoidea | Unionidae | Ambleminae | Lampsilini | Delphinonaias largillierti

nominal species Unio planivalvis Morelet, 1851

Unio planivalvis Morelet, 1851 = Delphinonaias largillierti

Morelet, 1851. Test. Nov. 2: 24.
Type(s): LECTOTYPE [AS HOLOTYPE] BMNH_93-2-4-2025 (by R.I. Johnson, 1971: 91), pres du Rio Usumacinta, Dept. Peten, Guatemala.

= Delphinonaias largillierti

Taxonomic Opinions

+ Delphinonaias largillierti (Philippi, 1847) — Cummings et al., 2025

= Delphinonaias planivalvis (Morelet, 1851) — Czaja et al., 2023

+ Delphinonaias largillierti (Philippi, 1847) — Graf & Cummings, 2021

= Delphinonaias planivalvis Morelet, 1851 — Bogan, 2010

= Delphinonaias planivalvis (Morelet, 1851) — Graf & Cummings, 2007

= Lampsilis (Phyllonaias) planivalvis (Morelet, 1851) — Haas, 1969

+ Leptodea paludosa (Morelet, 1849) — Goodrich & van der Schalie, 1937

= Lampsilis (Delphinonaias) planivalvis (Morelet) — Haas, 1929

+ — Frierson, 1927

= Lampsilis (Proptera) planivalvis (Morelet, 1851) — Simpson, 1914

= Lampsilis (Proptera) planivalvis (Morelet, 1851) — Simpson, 1900

= Unio (Metaptera) paludosus var. planivalvis Morelet, 1851 — Martens, 1900

= Unio (Phyllonaias) planivalvis A. Morelet, 1851 — Fischer & Crosse, 1894

+ — Lea, 1870

+ — Lea, 1852