original description
Yokoyama M. (1927). Mollusca from the Upper Musashino of Tokyo and its suburbs. <em>Journal of the Faculty of Science, Imperial University of Tokyo. Section II, Geology, Mineralogy, Geography, Seismology.</em> 1(10): 391–437, pls 46-50., available online at http://umdb.um.u-tokyo.ac.jp/DKoseibu/pdf/Ref_0488_.pdf [details]
basis of record
Poorten, J.J. ter, 2005. Outline of a systematic index - Recent Cardiidae (Lamarck, 1809). VISAYA net. (Updated 2009 for WoRMS), available online at https://www.conchology.be/?t=702&vnet=1316 [details]
From editor or global species database
Type locality Japan, Honshu, Tokyo, Shinagawa, Upper Musashino. [Tokyo Formation, Upper Pleistocene] [details]
Type material UMUT CM 24040, lectotype [details]