Olsson, A.A. 1932. Contributions to the Tertiary paleontology of northern Peru: Part 5, the Peruvian Miocene. Bulletins of American Paleontology 19(68): 1-272, 24 pls. Available electronically.
Olsson, 1932. Bull. Amer. Paleont. 19(68): 135, 140.
(intro'd as sub-gen. of Corbula Bruguière, 1797)