original description
Makiyama, J. (1927). Molluscan fauna of the lower part of the Kakegawa Series in the province of Totomi, Japan. <em>Memoirs of the College of Science, Kyoto Imperial University, series B.</em> 3(1):1-147, 6 pls.
page(s): 66, pl. 3, fig. 7 [details]
basis of record
Ikeya, N.; Hirano, H.; Ogasawara, K. (2001). The database of Japanese fossil type specimens described during the 20th Century (Part 1). <em>Palaeontological Society of Japan, Special Papers.</em> 39: 1-500., available online at http://www.palaeo-soc-japan.jp/download/SP/SP39.pdf [details]
From editor or global species database
Type locality Dainichi, Fukuroi-City, Shizuoka Prefecture (Japan) [details]