| 1967. | Musashia (Musashia) nagaoi Shikama, 1967 Paratype Shikama, T. 1967 p. 111, pl. 13, figs. 11, 12 |
| Condition: | Missing |
| Taxonomy: | Mollusca: Gastropoda: Volutidae: |
| Geologic Time: | Cenozoic: Oligocene - Miocene: |
| Horizon: | Poronai formation: |
| Shikama, T., 1967: System and evolution of Japanese fulgorarid gastropoda. Science Reports of the Yokohama National University, Section 2, no. 13, pp. 23–132, pls. 1–17. (Reference No. 0413) |
 |
| Ichikawa, T., 1983, no. 9, p. 161. |
