Yokoyamaoceras ishikawai (Jimbo)
| 1993. | Yokoyamaoceras ishikawai (Jimbo) Maeda, H. 1993 p. 124 |
| 1954. | Neopuzosia japonica (Spath) Matsumoto, T. 1954b p. 91 PreviousNo: I-2709 |
| Condition: | Present |
| Taxonomy: | Mollusca: Cephalopoda: |
| Geologic Time: | Mesozoic: |
| Maeda, H., 1993: Dimorphism of Late Cretaceous false-Puzosiine ammonites, Yokoyamaoceras Wright and Matsumoto, 1954 and Neopuzosia Matsumoto, 1954. Transactions and Proceedings of the Palaeontological Society of Japan. New Series, no. 169, pp. 97–128. (Reference No. 0659) |
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| Matsumoto, T., 1954b: Family Puzosiidae from Hokkaido and Saghalien. Studies on the Cretaceous Ammonoidea from Hokkaido and Saghalien 5. Memoirs of the Faculty of Science, Kyushu University, Series D, vol. 5, no. 2, pp. 69–118, pls. 9–23. (Reference No. 0220) |
| Ichikawa, T., 1995, no. 33, p. 31. |
| Ichikawa, T. and Hayami, I., 1978, no. 2, p. 214. |
