Hickman, C. S. (1980). Paleogene marine gastropods of the Keasey Formation in Oregon. <em>Bulletins of American Paleontology.</em> 78(310): 1-112, 10 pls., available online athttps://www.biodiversitylibrary.org/page/10693143 page(s): 63, pl. 8 figs 12-15 [details]
original descriptionHickman, C. S. (1980). Paleogene marine gastropods of the Keasey Formation in Oregon. <em>Bulletins of American Paleontology.</em> 78(310): 1-112, 10 pls., available online athttps://www.biodiversitylibrary.org/page/10693143 page(s): 63, pl. 8 figs 12-15 [details]
Present Inaccurate Introduced: alien Containing type locality