Calycoceras spinosum (Kossmat)
| 1957. | Calycoceras spinosum (Kossmat) Matsumoto, T. Saito, R. & Fukada, A. 1957 p. 13, pl. 4, fig. 2a, b PreviousNo: I-3167 |
| Condition: | Present |
| Taxonomy: | Mollusca: Cephalopoda: Ammonitida: Ammonitina: Acanthoceratoidea: Acanthoceratidae: |
| Geologic Time: | Mesozoic: Cretaceous: Late Cretaceous: |
| Horizon: | Yezo Group: |
| Locality: | Japan: Hokkaido: Teshio: Nakagawa: Loc. T26, the Abeshinai Valley: |
| Matsumoto, T., Saito, R. and Fukada, A., 1957: Some acanthoceratids from Hokkaido. Studies on the Cretaceous ammonites from Hokkaido and Saghalien 11. Memoirs of the Faculty of Science, Kyushu University, Series D, vol. 6, no. 1, pp. 1–45, pls. 1–18. (Reference No. 0237) |
| Tanabe, K., Ito, Y., Moriya, K. and Sasaki, T., 2000: Database of Cretaceous ammonite specimens registered in the Department of Historical Geology and Paleontology of the University Museum, University of Tokyo. The University Museum, The University of Tokyo, Material Reports, no. 37, pp. i–iv + 1–509. (Reference No. 0879) |
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| Ichikawa, T. and Hayami, I., 1978, no. 2, p. 226. |
| Tanabe et al., 2000, no. 37, p. 20. |
