Protothaca ( Callithaca ) adamsi (Reeve)
| 1968. | Protothaca (Callithaca) adamsi (Reeve) Chinzei, K. 1968b pl. N-3, fig. 6 |
| 1961. | Protothaca (Callithaca) adamsi (Reeve) Chinzei, K. 1961 p. 117, pl. 1, fig. 8 |
| Condition: | Present |
| Taxonomy: | Mollusca: Bivalvia: Veneridae: |
| Geologic Time: | Cenozoic: Pliocene: |
| Horizon: | Sannohe group: |
| 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) |
| Chinzei, K., 1968b: Pliocene Mollusca from northern corner of the Kitakami massif, 2. Atlas of Japanese fossils, no. 4, 4 pp., pl. N-3. Tsukiji Shokan Publishing Co., Ltd., Tokyo. (in Japanese) (Reference No. 0509) |
| Ichikawa, T., 1988, no. 15, p. 9. |
| Ichikawa, T., 1983, no. 9, p. 11. |
