3D digital model database TYPE SPECIMENS of Cretaceous ammonoid in Japan
| Scientific name | Baculites princeps | |
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| Author | Matsumoto and Obata, 1963 | |
| Reference | Mem. Fac. Sci. Kyushu Univ., Ser. D (Geol.), Vol. 13, No. 2, p. 55, pl. 13, fig. 1; text - figs. 138, 139 | |
| Type specimen | Holotype: GK. H4454 (pl. 13, fig. 1; text - fig. 138) / Paratypes: GK. H4453 (p. 55, list only), GK. H4455 (p. 55, list only), GK. H4456 (text - fig. 139), GK. H4457 - 4460 (p. 55, list only) | |
| Type locality | Loc. Y420, Kotodono - sawa Creek, a tributary of the Haboro River, Haboro Town, northwestern Hokkaido (141^59'00" E, 44^15'38" N) | |
| Formation name | Upper part of member U3 of K. Tanaka, Upper Yezo Group | |
| Age | Upper Santonian, Upper Cretaceous | |
| Remarks | ||