Eutrephoceras japonicum (Shimizu)
| 1959. | Eutrephoceras japonicum (Shimizu) Kobayashi, T. & Kamada, Y. 1959a p. 105, text-fig. 2 |
| Condition: | Present |
| Taxonomy: | Mollusca: Cephalopoda: |
| Geologic Time: | Cenozoic: |
| Kobayashi, T. and Kamada, Y., 1959a: An Eocene nautiloid from Kyushu, Japan. Japanese Journal of Geology and Geography, vol. 30, pp. 105–114, pl. 9. (Reference No. 0365) |
| Ichikawa, T., 1983, no. 9, p. 36. |
