Nautilus izumoensis Yokoyama, 1913
| 1913. | Nautilus izumoensis Yokoyama, 1913 Holotype Yokoyama, M. 1913 p. 2, pl. 8, figs. 3-5 |
| Condition: | Present |
| Taxonomy: | Mollusca: Cephalopoda: Nautilidae: |
| Geologic Time: | Cenozoic: |
| Yokoyama, M., 1913: On two new fossil Cephalopoda from the Tertiary of Izumo. Journal of the Geological Society of Tokyo, vol. 20, no. 243, pp. 1–3, pls. 7–8. (Reference No. 0463) |
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| Ichikawa, T., 1983, no. 9, p. 251. |
