UMUT MM 17741
Paleontology Collections
| Condition: |
Present |
| Taxonomy: | Mollusca: Cephalopoda: Ammonitida: Ancyloceratina: Turrilitoidea: Nostoceratidae: |
| Geologic Time: | Mesozoic: Cretaceous: Late Cretaceous: Santonian: |
| Horizon: | Upper Yezo Group: |
| Locality: | Japan: Hokkaido: Tomamae: Kotanbetsu: |
Reference
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| Okamoto, T., 1988a: Analysis of heteromorph ammonoids by differential geometry. Palaeontology, vol. 31, pt. 1, pp. 35–52, pl. 7. (Reference No. 0683) |
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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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