3D digital model database TYPE SPECIMENS of Cretaceous ammonoid in Japan
| Scientific name | Baculites yokoyamai | |
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| Author | Tokunaga and Shimizu, 1926 | |
| Reference | Mem. Fac. Sci., Kyushu Univ., Ser. D, Geol., Vol. 13, No. 1, p. 30, pl. 10, fig. 5 | |
| Type specimen | Neotype: GK. H4580 | |
| Type locality | Loc. IK1111a, an outcrop in the lower course of the Bannosawa Creek, a tributary of the Ikushumbets River, Mikasa City, Sorachi Province, central Hokkaido (now under the Katsurazawa Lake) (142^00'31" E, 43^13'34" N) | |
| Formation name | Upper Yezo Group | |
| Age | Coniacian, Upper Cretaceous | |
| Remarks | Remarks: Neotype was designated by Matsumoto and Obata (1963, p. 30 - 31). / Reference: Matsumoto, T. and Obata, I., 1963. Mem. Fac. Sci., Kyushu Univ., Ser. D, Vol. 13, No. 2, 1 - 116, pls. 1 - 27. | |