| Scientific name |
Barroisiceras (Basseoceras) inornatum |
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| Author |
Matsumoto, 1969 |
| Reference |
Mem. Fac. Sci. Kyushu Univ., Ser. D (Geol.), Vol. 19, No. 3, p. 303, pl. 39 [27], fig. 1; text - figs. 3 - 4 |
| Type specimen |
Holotype: GK. H5460 [= T. Muramoto' s Collection no. P5 - 6234] |
| Type locality |
Gono - sawa Creek, Pombets, Ikushumbets area, Mikasa City, Sorachi Province, central Hokkaido (ca. 141^59'E, 43^14'N) |
| Formation name |
Zone of Inoceramus uwajimensis, Upper Yezo Group |
| Age |
Coniacian, Upper Cretaceous |
| Remarks |
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