Uyeno, T. & Matsui, N. (1993)
Late Cretaceous fish fossils from Nemuro Municipality, Hokkaido, Japan. [in Japanese, with English summary]
Memoirs of the National Science Museum, 26, 39–46
Trikolidi, F.A. (2014)
Cow sharks (Hexanchiformes) from the Cretaceous deposits of the Crimea. (In russian)
Proceedings of the Zoological Institute, Russian Academy of Sciences, 318(1), 76–97