MUSSELp

MUSSELpdb

Introduction

Browse

d'basing

Search the MUSSELpdb

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 | Quadrulini | Uniomerus declivis

nominal species Unio excultus Conrad, 1838

Unio excultus Conrad, 1838 = Uniomerus declivis

Conrad, 1838. Monogr. Fam. Unionidae 2(11): 99, pl. 55, fig. 1.
Conrad, 1853. Proc. Acad. Nat. Sci. 6: 249.

= Uniomerus declivis

Taxonomic Opinions

+ Uniomerus tetralasmus (Say, 1831) — Williams et al., 2014

= Uniomerus excultus (Conrad, 1838) — ITIS, 2012

+ Uniomerus tetralasmus (Say, 1831) — IUCN, 2012

+ Uniomerus tetralasmus (Say, 1830) — Williams et al., 2008

+ Uniomerus declivis (Say, 1831) — Graf & Cummings, 2007

+ Uniomerus tetralasmus (Say, 1830) — Parmalee & Bogan, 1998

+ Uniomerus declivis (Say, 1831) — Turgeon et al., 1998

= Uniomerus excultus (Conrad) — Williams et al., 1993

= Uniomerus excultus (Conrad, 1838) — Turgeon et al., 1988

= Uniomerus excultus (Conrad) — Davis, 1984

= Uniomerus excultus (Conrad) — Davis, 1983

+ Uniomerus tetralasmus (Say, 1830) — Burch, 1975

+ Uniomerus tetralasmus (Say, 1831) — R.I. Johnson, 1972

+ Uniomerus tetralasmus (Say, 1831) — R.I. Johnson, 1970

+ Uniomerus tetralasmus (Say, 1831) — Haas, 1969

+ Elliptio (Uniomerus) tetralasmus (Say, 1831) — Frierson, 1927

+ Unio (sec. Uniomerus) tetralasmus Say, 1831 — Simpson, 1914

+ Unio (sec. Uniomerus) tetralasmus Say, 1830 — Simpson, 1900

+ Unio (s.s.) tetralasmus Say, 1831 — Call, 1900

+ Unio tetralasmus Say, 1830 — Call, 1895

+ Margaron (Unio) declivis (Say) — Lea, 1870

= Unio (Uniomerus) excultus Con. — Conrad, 1853

+ Margaron (Unio) declivis (Say) — Lea, 1852

= Unio excultus Conrad, 1838 — Conrad, 1838

 
NSF icon MUSSEL icon
"Making the world a better place, one mollusk at a time."