3D digital model database TYPE SPECIMENS of Cretaceous ammonoid in Japan

Scientific name	Dihamites obiraensis
Author	Matsumoto, 1977
Reference	Mem. Fac. Sci., Kyushu Univ., Ser. D (Geol.), Vol. 23, No. 3, p. 355, pl. 59, fig. 2
Type specimen	Holotype: Ob 1006, K. Muramoto' s private collection
Type locality	Aka - no - sawa Creek, a northern tributary of the Obirashibe River, Tappu area, Obira Town, Rumoi Province, northwestern Hokkaido (ca. 141^58'E, 44^44'08" N)
Formation name	Unit Uh or higher, Upper Yezo Group
Age	Upper Santonian, Upper Cretaceous
Remarks