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

Scientific name	Muramotoceras laxum
Author	Matsumoto, 1977
Reference	Mem. Fac. Sci., Kyushu Univ., Ser. C (Geol.), Vol. 23, No. 3, p. 337, pl. 45, figs. 1, 2; pl. 52, fig. 1; text - fig. 8
Type specimen	Holotype: NSM. PM7239 (pl. 52, fig. 1; text - fig. 8) / Paratypes: NSM. PM7209 (pl. 45, fig. 1), NSM. PM7210 (pl.45, fig. 2),
Type locality	A rollen gravel in the Sato - no - sawa Creek at Ob - S - p1, a tributary of the Obirashibe River, Tappu area, Obira Town, Rumoi Province, northwestern Hokkaido (142^02'08" E, 44^02'27" N)
Formation name	Saku Formation, Middle Yezo Group
Age	Middle Turonian, Upper Cretaceous
Remarks