3D digital model database TYPE SPECIMENS of Cretaceous ammonoid in Japan
| Scientific name | Marshallites compressus | |
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| Author | Matsumoto, 1955 | |
| Reference | Jap. Jour. Geol. Geogr., Vol. 26, Nos. 1 - 2, p. 123, pl. 8, figs. 1, 2 & 4 | |
| Type specimen | Holotype: UMUT MM6863 (= GT. I - 3231) [=transferred to Kyushu University, GK. H2751] (pl. 8, fig. 1a, b) / Paratypes: UMUT MM6864 (= GT. I - 3234b)(pl. 8, fig. 2), UMUT MM6866 (= GT. I - 3236)(pl. 1, fig. 4) | |
| Type locality | Loc. T608, Saku - gawa Creek, Abeshinai - Saku area, Nakagawa Town, Teshio Province, northern Hokkaido (142^05'42" E, 44^44'47" N) | |
| Formation name | Middle Yezo Group | |
| Age | Cenomanian, Upper Cretaceous | |
| Remarks | ||