Graphoceras sp.
| 1958. | Graphoceras sp. Sato, T. 1958a p. 158, pl. 13, fig. 12 |
| Condition: | Present |
| Taxonomy: | Mollusca: Cephalopoda: |
| Geologic Time: | Mesozoic: |
| Sato, T., 1958a: Supplément à la faune de la série de Shizukawa (Jurassique inférieur) du Japon septentrional. Japanese Journal of Geology and Geography, vol. 29, nos. 1–3, pp. 153–159, pl. 13. (Reference No. 0270) |
| Ichikawa, T. and Hayami, I., 1978, no. 2, p. 251. |
