Home | About | Database | Mussel of the Month | Publications & Presentations

MUSSELpdb

Introduction

Browse

d'basing


Search the MUSSELpdb

Taxonomy

all genera

Unionidae

Margaritiferidae

Hyriidae

Etheriidae

Mycetopodidae

Iridinidae


Species & Genus Richness of
freshwater mussels
by Taxonomy


Species & Genus Richness of
freshwater bivalves
by Family

Geography

Summary

North America

Central America

South America

Afrotropics

North Eurasia

East Asia

Australasia


Species Richness & Endemism of
freshwater mussels
by Geography


Data last updated
Thu 22 January 2026

Bivalvia | Unionida | Unionoidea | Unionidae | Ambleminae | Lampsilini | Medionidus

species Medionidus parvulus (Lea, 1860): synonymy

1 specimen

Synonymy

image of type lot

Unio parvulus Lea, 1860

Lea, 1860. Proc. Acad. Nat. Sci. 12: 307.
specimen image from publicationLea, 1866. Jour. Acad. Nat. Sci. 6 [O. 11]: 45 [49], pl. 16, fig. 43.
Type(s): HOLOTYPE USNM_84139, Chattanooga, Tenn.

Medionidus parvulus — Simpson (1900), Simpson (1914), Burch (1975), Turgeon et al. (1988), Williams et al. (1993), ... Williams et al. (2017), Graf & Cummings (2021), FMCS (2021), Hopper et al. (2023), FMCS (2025)
Medionidus acutissimus — Frierson (1927), Haas (1969), R.I. Johnson (1977)

Taxonomic History (since 1900)

Medionidus parvulus — Simpson (1900), Simpson (1914), Burch (1975), Turgeon et al. (1988), Williams et al. (1993), ... Williams et al. (2017), Graf & Cummings (2021), FMCS (2021), Hopper et al. (2023), FMCS (2025)
Medionidus acutissimus — Frierson (1927), Haas (1969), R.I. Johnson (1977)

NSF icon

Site developed and maintained by Dan Graf & Kevin Cummings.
Funded by The National Science Foundation.

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