original description
Kobayashi, T.; Suzuki, K. (1937). Non-marine shells of the Jurassic Tetori series in Japan. <em>Japanese Journal of Geology and Geography.</em> 14(1-2): 33-51.
page(s): 42-44, pl. 4, figs 1, 2 [details] Available for editors [request]
additional source
Matsukawa, M.; Ido, K. (1993). Nonmarine molluscan communities and palaeoecology in the Jurassic-Cretaceous Tetori Group, Japan. <em>Cretaceous Research.</em> 14: 365-381. [details]
From editor or global species database
Type locality Izuki, Izumi, Fukui Prefecture, Honshu, Japan [details]