Full reference: H. Noda. 1971. New anadarid and associated molluscan fauna from the Haneji Formation, Okinawa-jima, Ryukyu Islands. Transactions and Proceedings of the Paleontological Society of Japan, N.S. 81:27-51
Type specimen: Its type locality is Kogachi, loc109, which is in a Pliocene coastal siltstone/sandstone in the Haneji Formation of Japan.
Ecology: stationary epifaunal suspension feeder