MolluscaBase taxon details
original description
Kobayashi, T.; Tamura, M. (1957). Additional new genera and species of trigonians from the Jurassic of Soma, North Japan. Studies on the Jurassic Trigonians in Japan, Part VI. <em>Japanese Journal of Geology and Geography.</em> 28: 35-41.
page(s): 37, pl. 1, fig. 9 [details] Available for editors [request]