Literature
Authors(s) Shibata, H.
Year 1980
Title Pteropods from the Early Miocene (Kurami and Saigo Groups) of the Kakegawa District and the Early to Middle Miocene (Yatsuo Formation) of the Yatsuo District, central Japan [in Japanese with English summary]. Bull. Mizunami Foss. Mus. 7: 59-68, 3 tabs, 6 figs, pls 2-3.