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

species Medionidus simpsonianus Walker, 1905: synonymy

1 specimen

Synonymy

image of type lot

Medionidus simpsonianus Walker, 1905

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

Medionidus (Group of M. conradicus) simpsonianus — Simpson (1914)
Medionidus simpsonianus — Frierson (1927), Haas (1969), R.I. Johnson (1977), Turgeon et al. (1988), Williams et al. (1993), ... Williams et al. (2017), Graf & Cummings (2021), FMCS (2021), Hopper et al. (2023), FMCS (2025)
Medionidus penicillatus — Clench & Turner (1956), Burch (1975)

Taxonomic History (since 1900)

Medionidus (Group of M. conradicus) simpsonianus — Simpson (1914)
Medionidus simpsonianus — Frierson (1927), Haas (1969), R.I. Johnson (1977), Turgeon et al. (1988), Williams et al. (1993), ... Williams et al. (2017), Graf & Cummings (2021), FMCS (2021), Hopper et al. (2023), FMCS (2025)
Medionidus penicillatus — Clench & Turner (1956), Burch (1975)