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 | Pleurobemini | Elliptio roanokensis

nominal species Unio macer Lea, 1857

Unio macer Lea, 1857 = Elliptio roanokensis

Lea, 1857. Proc. Acad. Nat. Sci. 9: 86.
Lea, 1862. Jour. Acad. Nat. Sci. 5 [O. 9]: 202 [24], pl. 29, fig. 271.
Type(s): HOLOTYPE USNM_85425, Roanoke R., Weldon, N.C.

= Elliptio roanokensis

Taxonomic Opinions

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

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

+ — Haas, 1969

+ Elliptio (s.s.) complanatus (Dillwyn, 1817) — Frierson, 1927

+ Unio (sec. Elliptio) roanokensis Lea, 1838 — Simpson, 1914

+ Unio (sec. Elliptio) roanokensis Lea, 1838 — Simpson, 1900

= Margaron (Unio) macer (Lea) — Lea, 1870