3D digital model database TYPE SPECIMENS of Cretaceous ammonoid in Japan
| Scientific name | Mortoniceras nomii | |
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| Author | Yabe and Shimizu, 1925 | |
| Reference | Sci. Rep. Tohoku Imp. Univ., 2nd Ser., Vol. 7, No. 4, p. 131, pl. 32 (3), figs. 1 - 3 | |
| Type specimen | Holotype: Tohoku University specimen (missing); its plaster cast, IGPS. 22402 | |
| Type locality | An outcrop at the confluence of the Penkemoyuparo Creek with the Shiyuparo (Yubari) River, Oyubari area, Sorachi Province, central Hokkaido (ca. 142^06'41" E, 43^01'29" N) | |
| Formation name | Upper Yezo Group | |
| Age | Santonian, Upper Cretaceous | |
| Remarks | (= Protexanites nomii (Yabe and Shimizu, 1925)) / Remarks: The generic position of this species was transferred to Protexanites by Matsumoto (1965, p. 38). / References: Matsumoto, T., 1965. Mem. Fac. Sci., Kyushu Univ., Ser. D, Vol. 16, No. 1, 1 - 80, pls. 1 - 18. | |