Astyris sp.
| 1949. | Astyris sp. PreviousNo: Y-0003 |
| Condition: | Present |
| Taxonomy: | Mollusca: Gastropoda: Columbellidae: |
| Geologic Time: | Cenozoic: |
| Otuka, Y., 1949: Fossil Mollusca and rocks of the Kiyosumi group exposed at Minato-machi, Chiba Prefecture, and its environs (1st paper). Japanese Journal of Geology and Geography, vol. 21, nos. 1–4, pp. 295–309, pl. 13. (Reference No. 0408) |
| Ichikawa, T., 1983, no. 9, p. 116. |
