Template:Matsumoto, Nishida & Toshimitsu, 2004
- Matsumoto, T., Nishida, T. & Toshimitsu, S. 2004. The early Cenomanian (Cretaceous) ammonite fauna from the Soeushinai area of Hokkaido, North Japan (Studies of the Cretaceous ammonites from Hokkaido and Sakhalin–XCVII). Bulletin of the Geological Survey of Japan 55(3-4): 67–92.