UMUT MM 18557
Paleontology Collections
| Condition: |
Present |
| Taxonomy: | Mollusca: Cephalopoda: Ammonitida: Ancyloceratina: Turrilitoidea: Nostoceratidae: |
| Geologic Time: | Mesozoic: Cretaceous: Late Cretaceous: Turonian: |
| Horizon: | Middle Yezo Group: Saku Formation: |
| Locality: | Japan: Hokkaido: Obira: Tappu: Sakin-zawa: |
Reference
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| Okamoto, T., 1989: Comparative morphology of Nipponites and Eubostrychoceras (Cretaceous nostoceratids). Transactions and Proceedings of the Palaeontological Society of Japan. New Series, no. 154, pp. 117–139. (Reference No. 0686) |
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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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