Yabe, H. (1949)
The Taga Beds of the Zyoban Coal-field (Contribution to the geology of the Zyoban Coal-field, III). Proceedings of the Japan Academy, 25(8), 9–17
Goto, M. (1972)
Fossil Chondrichthyes of Japan. Journal of the Geological Society of Japan, 78(11), 585–600