Macoma aff. optiva Yokoyama
| 1943. | Macoma aff. optiva Yokoyama |
| Condition: | Missing |
| Taxonomy: | Mollusca: Bivalvia: Tellinidae: |
| Geologic Time: | Cenozoic: |
| Otuka, Y., 1943b: Neogene Mollusca from the vicinity of Yokote Town, Akita Prefecture, Japan. Journal of the Geological Society of Japan, vol. 50, no. 593, pp. 53–64, pl. 3. (in Japanese) (Reference No. 0407) |
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| Ichikawa, T., 1983, no. 9, p. 114. |
