Descrição original: Gould, A. A. (1852). Mollusca and shells. In: United States Exploring Expedition during the years 1838, 1839, 1840, 1841, 1842 under the command of Charles Wilkes. Boston. 12: 1-510; atlas 1856: 1-16., available online at https://www.biodiversitylibrary.org/page/10991152page(s): 424, pl. 37, fig. 539, a-c