3D digital model database TYPE SPECIMENS of Cretaceous ammonoid in Japan
| Scientific name | Polyaspidoceras shimizui | |
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| Author | Matsumoto, 1978 | |
| Reference | Mem. Fac. Sci., Kyushu Univ., Ser. D (Geol.), Vol. 24, No. 1, p. 18, pl. 6, fig. 1 | |
| Type specimen | Holotype: IGPS 54404 | |
| Type locality | Miho Creek, a tributary of the Naibuchi River, Naibuchi (= Naiba) district, south Saghalin, Russia (ca. 142^36'E, 47^19'N) | |
| Formation name | Miho Group ? | |
| Age | Turonian, Upper Cretaceous | |
| Remarks | ||