3D digital model database TYPE SPECIMENS of Cretaceous ammonoid in Japan
| Scientific name | Heteroceras (?) orientale | |
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| Author | Yabe, 1904 | |
| Reference | Jour. Coll. Sci., Imp. Univ., Tokyo, Vol. 20, No. 2, p. 19, pl. 3, fig. 7. | |
| Type specimen | Holotype: UMUT MM7572 (= GT. I - 251) | |
| Type locality | Urakawa, Province of Hidaka, southern central Hokkaido | |
| Formation name | Upper Ammonite - beds (= Upper Yezo Group) | |
| Age | Senonian (Santonian), Upper Cretaceous | |
| Remarks | (= Hyphantoceras orientale (Yabe, 1904)) / Remarks: The generic position of this species was transferred to Hyphantoceras by Matsumoto (1977, p. 310). / Reference: Matsumoto, T., 1977. Mem. Fac. Sci., Kyushu Univ., Ser. D, Vol. 23, No. 3, 303 - 366, pls. 43 - 61. | |