original description
Nagao, T.; Ôtatume, K. (1943). The Fossil Corbiculids from the Palaeogene Isikari Series in the Isikari Coal-Field, Hokkaidô. <em>Journal of the Faculty of Science, Hokkaido Imperial University. Ser. 4, Geology and mineralogy.</em> 7(1): 1-13.
page(s): 2-4, pl. 1, figs 1-4, pl. 2, figs 1-7 [details] Available for editors [request]
From editor or global species database
Type locality "Torii-zawa, Pombetu Colliery, Mikasa-rnati; Mitui-Bibai Colliery, Bibai-mati; the upper course of Garo-no-sawa, Bibai-mati; Kamisunagawa Colliery, Sunagawa-mati; Utasinai-mura; Akabira-mura; all of them Sorati-gun, in the province of Isikari" (Hokkaido, Japan) [details]