| 1931. | Natica (Neverita) ampla Philippi |
| Condition: | Present |
| Taxonomy: | Mollusca: Gastropoda: Naticidae: |
| Geologic Time: | Cenozoic: |
| Yokoyama, M., 1931b: Tertiary Mollusca from Iwaki. Journal of the Faculty of Science, Imperial University of Tokyo, Section 2, vol. 3, pt. 4, pp. 197–204, pls. 12–13. (Reference No. 0502) |
 |
| Ichikawa, T., 1983, no. 9, p. 388. |
