3D digital model database TYPE SPECIMENS of Cretaceous ammonoid in Japan
| Scientific name | Mesopuzosia pacifica | |
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| Author | Matsumoto, 1954 | |
| Reference | Mem. Fac. Sci., Kyushu Univ., Ser. D (Geol.), Vol. 5, No. 2, p. 82, pl. 15, fig. 1a, b | |
| Type specimen | Holotype: GK. H1257 | |
| Type locality | Loc. Y216p1 in the Shiyubari Valley, Oyubari area, Sorachi Province, central Hokkaido (142^10'09" E, 43^10'29" N) | |
| Formation name | Saku Formation, Middle Yezo Group | |
| Age | Turonian, Upper Cretaceous | |
| Remarks | ||