Periploma cf. besshoensis (Yokoyama)
| 1943. | Periploma cf. besshoensis (Yokoyama) Otuka, Y. 1943b p. 59, pl. 3, fig. 14 |
| 1941. | Periploma besshoensis (Yokoyama) Otuka, Y. 1941b p. 153, fig. 4 |
| Condition: | Present |
| Taxonomy: | Mollusca: Bivalvia: Periplomatidae: |
| Geologic Time: | Cenozoic: |
| Otuka, Y., 1941b: Neogene fossil faunas from the area between Honjo and Kurosawajiri. Journal of the Japanese Association of Petroleum Technologists, vol. 9, no. 2, pp. 147–157. (in Japanese) (Reference No. 0403) |
| 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) |
 |
| Ichikawa, T., 1983, no. 9, p. 114. |
| Ichikawa, T., 1983, no. 9, p. 111. |
