"Nautilus" izumoensis Yokoyama
| 1960. | "Nautilus" izumoensis Yokoyama Kobayashi, T. 1960c p. 121, pl. 11, fig. 1 |
| Condition: | Present |
| Taxonomy: | Mollusca: Cephalopoda: Nautilidae: |
| Geologic Time: | Cenozoic: |
| Kobayashi, T., 1960c: Some Miocene nautiloids from Shimane and Toyama Prefectures, west Japan. Science Reports of the Tohoku University, 2nd Series, Special Volume, no. 4, pp. 117–124, pls. 11–12. (Reference No. 0363) |
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| Ichikawa, T., 1983, no. 9, p. 36. |
