UMUT MM 18945
Paleontology Collections
| Condition: |
Present |
| Taxonomy: | Mollusca: Cephalopoda: Ammonitida: Ammonitina: Acanthoceratoidea: Collignoniceratidae: |
| Geologic Time: | Mesozoic: Cretaceous: Late Cretaceous: Turonian: |
| Horizon: | Middle Yezo Group: |
| Locality: | Japan: Hokkaido: Obira: Tappu: R4018, middle course of the Obirashibe River: |
Reference
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| Shigeta, Y., 1993: Post-hatching early life history of Cretaceous Ammonoidea. Lethaia, vol. 26, pp. 133–145. (Reference No. 0689) |
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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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