original description
Harris, G. D. (1899). The Lignitic stage, part II, Scaphopoda, Gastropoda, Pteropoda and Cephalopoda. <em>Bulletins of American Paleontology.</em> 3(11): 1-128, pls 1-12., available online at https://www.biodiversitylibrary.org/page/30375450
page(s): 70-71, pl. 9, fig. 10 [details]
From editor or global species database
Status Status highly uncertain. Probably not even a freshwater species. [details]