Bivalvia | ... | Unionidae | Unioninae | Anodontini | Alasmidontina | Pyganodon grandis

Lea, 1859. Proc. Acad. Nat. Sci. 11: 113.
Lea, 1860. Jour. Acad. Nat. Sci. 4 [O. 8]: 366 [48], pl. 63, fig. 191.
Type(s): HOLOTYPE (MONOTYPY) USNM_86680, Texas.
None available.