3D digital model database TYPE SPECIMENS of Cretaceous ammonoid in Japan
| Scientific name | Mesopuzosia densicostata | |
|---|---|---|
|
|
||
| Author | Matsumoto, 1954 | |
| Reference | Mem. Fac. Sci., Kyushu Univ., Ser. D (Geol.), Vol. 5, No. 2, p. 87, pl. 22, fig. 1a, b | |
| Type specimen | Holotype: UMUT MM7694 (= GT. I - 544) | |
| Type locality | Santan - gawa Creek, a tributary of the Naibuchi Valley, Naibuchi (= Naiba) area, south, Sakhalin, Russia | |
| Formation name | Unit Mh6, Miho Group | |
| Age | Santonian, Upper Cretaceous | |
| Remarks | ||