3D digital model database TYPE SPECIMENS of Cretaceous ammonoid in Japan
| Scientific name | Prionocycloceras matsumotoi/td> | |
|---|---|---|
|
|
||
| Author | Futakami, 1991 | |
| Reference | Jour. Kawamura Women' s Univ., Vol. 2, p. 258, pl. 1, figs. 1 - 7; text - fig. 1A, B(3) | |
| Type specimen | Holotype: NSM. PM9568 (pl. 1, fig. 6; text - fig. 1A, B(3)) / Paratypes: NSM. PM9569 (pl. 1, fig. 7), NSM. PM9570 (pl. 1, fig. 4), NSM. PM9571 (pl. 1, fig. 8), NSM. PM9572 (pl. 1, fig. 3), NSM. PM9573 (pl. 1, fig. 5) | |
| Type locality | Loc. Ki504F, a rolled nodule in the Kamiichi - no - sawa Creek, Ikushumbets area, Mikasa City, Sorachi province, central Hokkaido (142^02'20" E, 43^15'49" N) | |
| Formation name | Upper Yezo Group | |
| Age | Coniacian, Upper Cretaceous | |
| Remarks | ||