3D digital model database TYPE SPECIMENS of Cretaceous ammonoid in Japan
| Scientific name | Romaniceras (?) otatumei | |
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| Author | Matsumoto, Saito and Fukada, 1957 | |
| Reference | Mem. Fac. Sci., Kyushu Univ., Ser. D (Geol.), Vol. 6, No. 1, p. 25, pl. 2, fig. 2a, b | |
| Type specimen | Holotype: UMUT MM5663 (= GT. I - 3185) | |
| Type locality | Nutappomai, Kami - hobetsu area, Iburi Province, southern central Hokkaido (ca. 142^11'E, 42^55'N) | |
| Formation name | Middle Yezo Group | |
| Age | Turonian, Upper Cretaceous | |
| Remarks | (= Yubariceras otatsumei (Matsumoto, Saito and Fukada, 1957)) / Remarks: The generic posisiton of this species was transferred to Yubariceras by Matsumoto (1975, p. 144). / Reference: Matsumoto, T., 1975. Mem. Fac. Sci., Kyushu Univ., Ser. D, Vol. 22, No. 2, 99 - 163, pls. 11 - 23. | |