Uyeno, T. & Ono, K. & Sakamoto, O. (1983)
Miocene Elasmobranchs from Chichibu Basin, Saitama, Japan.
Bulletin of the Saitama Museum of Natural History, 1, 27–36
Teruya, U. & Ono, K. (1982)
Middle Miocene shark teeth from eastern Yamanashi Prefecture, Japan.
Memoirs of the National Science Museum, 15, 63–72