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3D digital model database TYPE SPECIMENS of Cretaceous ammonoid in Japan
| Scientific name | Helicoceras (?) venustum | |
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| Author | Yabe, 1904 | |
| Reference | Jour. Coll. Sci., Imp. Univ., Tokyo, Vol. 20, No. 2, p. 11, pl. 5, figs. 1, 2. | |
| Type specimen | Holotype: UMUT MM7552 (= GT. I - 240) | |
| Type locality | Sanushibe, Province of Iburi, central Hokkaido | |
| Formation name | Pachydiscus - beds (=Upper Yezo Group) | |
| Age | Senonian, Upper Cretaceous | |
| Remarks | ||