3D digital model database TYPE SPECIMENS of Cretaceous ammonoid in Japan
| Scientific name | Kossmaticeras japonicum | |
|---|---|---|
|
|
||
| Author | Matsumoto, 1955 | |
| Reference | Jap. Jour. Geol. Geogr., Vol. 26, Nos. 1 - 2, p. 150, pl. 9, fig. 3a, b | |
| Type specimen | Holotype: UMUT MM7627 (= GT. I - 353) | |
| Type locality | Kikume - zawa Creek, a tributary of the Ikushumbets River, Ikushumbetsu area, Mikasa City, Sorachi Province, central Hokkaido (ca. 142^01'E, 43^13'N) | |
| Formation name | Upper Yezo Group | |
| Age | Senonian, Upper Cretaceous | |
| Remarks | ||