3D digital model database TYPE SPECIMENS of Cretaceous ammonoid in Japan
| Scientific name | Tetragonites terminus | |
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| Author | Shigeta, 1989 | |
| Reference | Trans. Proc. Palaeont. Soc. Japan, N. S., No. 156, p. 338, fig. 13 - 8a, b | |
| Type specimen | Holotype: UMUT MM18635 - 1 | |
| Type locality | Loc. H12d, Ichiyanagi - no - sawa, Tomiuchi area, Iburi Province, southern central Hokkaido (142^12'56" E, 42^46'06" N) | |
| Formation name | Hakobuchi Group | |
| Age | Lower Maastrichtian, Upper Cretaceous | |
| Remarks | ||