Yamaguchi, A. & Tachibana, S. & Yokoyama, K. & Furumitsu, K. (2018)
Project on effective utilization for eagle rays caught by predator control programs [in Japanese]. Report of Japanese Society for Elasmobranch Studies, 54, 27–39
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