3D digital model database TYPE SPECIMENS of Cretaceous ammonoid in Japan
| Scientific name | Prionocycloceras wrighti | |
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| Author | Matsumoto, 1971 | |
| Reference | Mem. Fac. Sci., Kyushu Univ., Ser. C (Geol.), Vol. 21, No. 1, p. 134, pl. 22, fig. 2 | |
| Type specimen | Holotype: GK. H5556 (pl. 22, fig. 2) / Paratypes: GK. H5436 (list only), GK. H5488 (list only) | |
| Type locality | Kami - ichino - sawa, a right tributary of the Ikushumbets River, Ikushumbets area, Mikasa City, Sorachi province, central Hokkaido (ca. 142^02'E, 43^16'N) | |
| Formation name | Unit IIIb, Upper Yezo Group | |
| Age | Turonian, Upper Cretaceous | |
| Remarks | ||