Bivalvia | ... | Unionidae | Ambleminae | Quadrulini | Quadrulina | Theliderma intermedia

nominal species Quadrula biangulata Morrison, 1942

image of type lot

Quadrula biangulata Morrison, 1942 = Theliderma intermedia

Morrison, 1942. Bulletin Bur. Amer. Ethnol. 129: 356.
Type(s): HOLOTYPE USNM_84221, Tuscumbia, Alabama.

= Theliderma intermedia

Taxonomic Opinions

+ Theliderma intermedia (Conrad, 1836) — Lopes-Lima et al., 2019

+ Quadrula intermedia (Conrad, 1836) — Williams et al., 2008

+ Quadrula quadrula (Rafinesque, 1820) — Parmalee & Bogan, 1998

+ Quadrula tuberosa (Lea, 1840) — R.I. Johnson, 1980