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
Thu 18 Dec 2025

Bivalvia | ... | Unionoidea | Unionidae | Ambleminae | Lampsilini | Medionidus simpsonianus

nominal species Medionidus simpsonianus Walker, 1905

image of type lot

Medionidus simpsonianus Walker, 1905 = Medionidus simpsonianus

Walker, 1905. Nautilus 18(12): 136, pl. 9, figs. 4-5.
Type(s): HOLOTYPE UMMZ_98510, Calvary, Grady, Co., Georgia.

= Medionidus simpsonianus

Taxonomic Opinions

= Medionidus simpsonianus Walker, 1905 — FMCS, 2025

= Medionidus simpsonianus (Walker, 1905) — Hopper et al., 2023

= Medionidus simpsonianus Walker, 1905 — Graf & Cummings, 2021

= Medionidus simpsonianus Walker, 1905 — FMCS, 2021

= Medionidus simpsonianus Walker, 1905 — Williams et al., 2017

= Medionidus simpsonianus Walker, 1905 — Williams et al., 2014

= Medionidus simpsonianus Walker, 1905 — ITIS, 2012

= Medionidus simpsonianusHaag, 2012

= Medionidus simpsonianus Walker, 1905 — Williams et al., 2011

= Medionidus simpsonianus Walker, 1905 — Bogan, 2010

= Medionidus simpsonianusCummings & Graf, 2010

= Medionidus simpsonianusAnonymous, 2008

= Medionidus simpsonianus B. Walker, 1905 — Graf & Cummings, 2007

= Medionidus simpsonianus Walker, 1905 — IUCN, 2000

= Medionidus simpsonianus Walker, 1905 — Turgeon et al., 1998

= Medionidus simpsonianus Walker — Williams et al., 1993

= Medionidus simpsonianus Walker, 1905 — Turgeon et al., 1988

= Medionidus simpsonianus Walker, 1905 — R.I. Johnson, 1977

+ Medionidus penicillatus (Lea, 1857) — Burch, 1975

= Medionidus simpsonianus Walker, 1905 — Haas, 1969

+ Medionidus penicillatus (Lea, 1857) — Clench & Turner, 1956

= Medionidus simpsonianus Walker, 1905 — Frierson, 1927

= Medionidus simpsonianus Walker, 1905 — Simpson, 1914

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