Macoma optiva (Yokoyama)
| 1940. | Macoma optiva (Yokoyama) PreviousNo: 4286 |
| Condition: | Present |
| Taxonomy: | Mollusca: Bivalvia: Tellinidae: |
| Geologic Time: | Cenozoic: |
| Otuka, Y., 1940b: Miocene Mollusca from Tesio Province, Hokkaido. Japanese Journal of Geology and Geography, vol. 17, nos. 1–2, pp. 91–99, pl. 11. (Reference No. 0402) |
| Ichikawa, T., 1983, no. 9, p. 111. |
