MolluscaBase name details
original description
Conrad, T. A. (1833). Fossil shells of the Tertiary formations of North America, illustrated by figures drawn on stone from nature. Philadelphia: Judah Dobson, W. P. Gibbons, Printer. Vol. 1(3):29-38 pp; Vol. 1(4):39-46 pp. [Vol. 1(1):viii + 9-20, pls. 1-6. , available online at https://www.biodiversitylibrary.org/page/23521363
page(s): 44; republished with plates: 42, pl. 16 fig. 6 [1835] [details]