original description
Yabe, H.; Nagao, T.; Shimizu, S. (1926). Cretaceous Mollusca from the Sanchû-Graben in the Kwantô Mountainland, Japan. <em>Science reports of the Tohoku Imperial University. 2nd series, Geology.</em> 9(3): 33-76., available online at http://hdl.handle.net/10097/30201
page(s): 52, pl. 14, figs 4-6, 19, 20, 22, 25 [details] Available for editors [request]
From editor or global species database
Type locality "Bômeki and Shiroi" (Honshu, Japan) [details]