3D digital model database TYPE SPECIMENS of Cretaceous ammonoid in Japan
| Scientific name | Anagaudryceras tetragonum | |
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| Author | Matsumoto and Kanie, 1985 | |
| Reference | Sci. Rep. Yokosuka City Mus., No. 33, p. 29, pl. 5, figs. 9 - 11 | |
| Type specimen | Holotype: YCM. Ur 076001 | |
| Type locality | Loc. U76A, Higashi Town, upper course of the Urokobetsu Creek, Urakawa area, Hidaka Province, southern - central Hokkaido (142^47'43" E, 42^10'26" N) | |
| Formation name | Hl, Hakobuchi Group | |
| Age | Maastrichtian, Upper Cretaceous | |
| Remarks | ||