| Scientific name |
Eubostrychoceras densicostatum |
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| Author |
Matsumoto, 1977 |
| Reference |
Mem. Fac. Sci., Kyushu Univ., Ser. D (Geol.), Vol. 23, No. 3, p. 332, pl. 52, fig. 2 |
| Type specimen |
Holotype: M 90, T. Muramoto' s private collection |
| Type locality |
Loc. Ik 1172, near "9 km point" of the Ikushumbets River, Mikasa City, Sorachi Province, central Hokkaido (142^00'10" E, 43^13'39" N) |
| Formation name |
Upper Yezo Group |
| Age |
Santonian, Upper Cretaceous |
| Remarks |
|