3D digital model database TYPE SPECIMENS of Cretaceous ammonoid in Japan
| Scientific name | Baculites tanakae | |
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| Author | Matsumoto and Obata, 1963 | |
| Reference | Mem. Fac. Sci. Kyushu Univ., Ser. D (Geol.), Vol. 13, No. 2, p. 51, pl. 17, fig. 2; text - fig. 115 | |
| Type specimen | Holotype: GK. H4288 (pl. 17, fig. 2)(pl. 17, fig. 2) / Paratypes: GK. H4230 (text - fig.115), GK. H4229, GK. H4231 - GK. H4234, GK. H4237 - GK. H 4244, GK. H4246 - GK. H4253 (p. 51, list only) | |
| Type locality | Loc. Sk60 [=Y339], along the main stream of the Haboro River, Haboro area, northwestern Hokkaido | |
| Formation name | Member U6, uppermost part of Upper Yezo Group | |
| Age | Approximately Campanian, Upper Cretaceous | |
| Remarks | ||