Polyptychoceras pseudogaultinum (Yokoyama, 1890)
| 1997. | Polyptychoceras pseudogaultinum (Yokoyama, 1890) Okamoto, T. & Shibata, M. 1997 p. 31, fig. 14-3 PreviousNo: H-038 |
| Condition: | Present |
| Taxonomy: | Mollusca: Cephalopoda: Ammonitida: Ancyloceratina: Turrilitoidea: Diplomoceratidae: |
| Geologic Time: | Mesozoic: Cretaceous: Late Cretaceous: Santonian: |
| Horizon: | Upper Yezo Group: Member Uk: |
| Locality: | Japan: Hokkaido: Tomamae: Kotanbetsu: K9000p-7, Onko-no-sawa: |
| Okamoto, T. and Shibata, M., 1997: A cyclic mode of shell growth and its implications in a Late Cretaceous heteromorph ammonite Polyptychoceras pseudogaultinum (Yokoyama) Paleontological Research, vol. 1, no. 1, pp. 29–46. (Reference No. 0749) |
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| 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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| Ito, Y. et al., 2008, no. 74, p. 38. |
| Tanabe et al., 2000, no. 37, p. 284. |
