NOMURA, M. & HATANAKA, O. & NISHIMOTO, H. & KARASAWA, H. & NANAO NOJIRIKO GROUP (1991)
Megasqualus serriculus Jordan and Hannibal (Squalidae: Squaliformes: Elasmobranchii) from the Middle Miocene Nanao Calcareous Sandstone, Nanao City, Noto Peninsula, Central Japan. Bulletin of the Mizunami Fossil Museum, 18: 33–45