3D digital model database TYPE SPECIMENS of Cretaceous ammonoid in Japan
| Scientific name | Ammonites kotoi | |
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| Author | Yabe, 1904 | |
| Reference | Jour. Coll. Sci., Imp. Univ. Tokyo, Vol. 20, No. 2, p.26, pl.6, figs. 3, 4 | |
| Type specimen | Holotype: UMUT MM 7561 (= GT. I - 254) | |
| Type locality | Yubarigawa (=Yubari River), Sorachi Province, central Hokkaido | |
| Formation name | Upper Yezo Group | |
| Age | Upper Cretaceous | |
| Remarks | Remarks: Matsumoto (1973, p. 32, fig. 2) regarded this species as synonymous with Fagesia thevestensis (Peron, 1896). / Reference: Matsumoto, T., 1973. Trans. Proc. Palaeont. Soc. Japan, N. S., No. 89, 27 - 41, pl. 8. | |