Polytropa shiwa Chenzei, 1961
| 1961. | Polytropa shiwa Chenzei, 1961 Paratype |
| Condition: | Missing |
| Taxonomy: | Mollusca: Gastropoda: Muricidae: |
| Geologic Time: | Cenozoic: Pliocene: |
| Horizon: | Sannohe group: Togawa formation: |
| Chinzei, K., 1961: Molluscan fauna of the Pliocene Sannohe group of northeast Honshu, Japan. 2. The faunule of the Togawa formation. Journal of the Faculty of Science, University of Tokyo, Section 2, vol. 13, pt. 1, pp. 81–131, pls. 1–4. (Reference No. 0338) |
| Ichikawa, T., 1983, no. 9, p. 11. |
