Bivalvia

nominal species Unio (Obovaria) crassa Rafinesque, 1819

Unio (Obovaria) crassa Rafinesque, 1819 = nomen dubium

Rafinesque, 1819. Jour. Phys. Chim. Hist. Nat. 88: 427. [nomen nudum]
Rafinesque, 1864. [in] Binney & Tryon, reprint: 29.

Taxonomic Opinions

+ — Lea, 1870: 91.

+ — Lea, 1852: 57.

+ — Lea, 1836: 58.

= Unio (Obovaria) crassa Rafinesque, 1819 — Rafinesque, 1819: 427.