Full reference: Y. Bando. 1964. The Triassic stratigraphy and ammonite fauna of Japan. Science Reports of the Tohoku University. Second Series, Geology 36:1-137
Type specimen: IGPS 78335. Its type locality is Taho, Anasibirites Beds, Uonashi, Ehime Prefecture, which is in a Smithian marine siliciclastic in the Taho Formation of Japan.
Ecology: nektonic carnivore
Average measurements (in mm): shell width 4.25, shell diameter 13.4