Tomita, T. & Yokoyama, K. (2015)
The First Cenozoic Record of a Fossil Megamouth Shark (Lamniformes, Megachasmidae) from Asia.
Paleontological Research, 19(3), 204–207 DOI: 10.2517/2015PR004
Yokoyama, K. & Shiba, M. & Fujita, K. & Kinoshita, Y. (2003)
Discovery of the Teeth Remains Parotodus benedeni (Elasmobranch) from the Dainichi Formation of the Kakegawa Group.
Sci. Rep. Mus., Tokai Univ., 5: 31–35