3D digital model database TYPE SPECIMENS of Cretaceous ammonoid in Japan
| Scientific name | Eomadrasites robustus | |
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| Author | Matsumoto and Takahashi, 1991 | |
| Reference | Palaeont. Soc. Japan, Spec. Paps., No. 33, p. 85, pl. 19, fig. 4 | |
| Type specimen | Holotype: TTC. 420821, Takemi Takahashi's private collection | |
| Type locality | Loc. IK1102, Ikushumbets area, Mikasa City, Sorachi Province, central Hokkaido (141^59'30" E, 43^15'00" N) | |
| Formation name | Unit IIb, Mikasa Formation, Middle Yezo Group | |
| Age | Lower Cenomanian, Upper Cretaceous | |
| Remarks | ||