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 | Pleurobemini | Elliptio complanata

nominal species Unio oblongus Lea, 1872

Unio oblongus Lea, 1872 = Elliptio complanata

Lea, 1872. Proc. Acad. Nat. Sci. 24: 158.
Lea, 1874. Jour. Acad. Nat. Sci. 8 [O. 13]: 52 [56], pl. 18, fig. 50.
(homonym of Unio moquinianus var. oblongus Moquin-Tandon, 1855)
Type(s): FIGURED SYNTYPE USNM_85572, Irwins Cr., Mecklenberg Co., N.C.

= Elliptio complanata

Taxonomic Opinions

+ Elliptio (s.s.) complanata (Lightfoot, 1786) — Burch, 1975

+ Elliptio (s.s.) complanata (Lightfoot, 1786) — R.I. Johnson, 1970

+ Elliptio (s.s.) violaceus wheatleyi (Lea, 1857) — Haas, 1969

+ Elliptio (s.s.) complanatus-catawbensis (Lea, 1862) — Frierson, 1927

+ Unio (sec. Elliptio) rostrum Lea, 1862 — Simpson, 1914

+ Unio (sec. Elliptio) catawbensis Lea, 1862 — Simpson, 1900

= Unio oblongus Lea — B.H. Wright, 1888