3D digital model database TYPE SPECIMENS of Cretaceous ammonoid in Japan
| Scientific name | Eupachydiscus keramasatoshii | |
|---|---|---|
|
|
||
| Author | Matsumoto, 1990 | |
| Reference | Trans. Proc. Palaeont. Soc. Japan, N. S., No. 160, p. 624, figs. 3A - C, 4 | |
| Type specimen | Holotype: No. 482, M. Kera's private collection | |
| Type locality | Loc. Y 5512, Masago - zawa Creek, a tributary of the Shuparo River, Oyubari area, central Hokkaido (ca. 142^07'E, 43^10'N) | |
| Formation name | Upper Yezo Group | |
| Age | Coniacian, Upper Cretaceous | |
| Remarks | ||