Cerithium proavitum Yokoyama, 1929
| 1929. | Cerithium proavitum Yokoyama, 1929 Syntype |
| Condition: | Present |
| Taxonomy: | Mollusca: Gastropoda: Cerithiidae: |
| Geologic Time: | Cenozoic: |
| Yokoyama, M., 1929a: Neogene shells from some provinces of Chugoku. Journal of the Faculty of Science, Imperial University of Tokyo, Section 2, vol. 2, pt. 8, pp. 363–368, pl. 70. (Reference No. 0496) |
 |
| Ichikawa, T., 1983, no. 9, p. 377. |
