| 1997. | Neptunea (Neptunea) eos (Kuroda, 1931) Amano, K. 1997 p. 276, fig. 2-8a,b |
| 1935. | Neptunea uwasoensis (Otuka) Holotype Otuka, Y. 1935b p. 869, pl. 54, fig. 75 PreviousNo: 1915 |
| Condition: | Present |
| Taxonomy: | Mollusca: |
| Geologic Time: | Cenozoic: |
| Amano, K., 1997: Biogeography of the genus Neptunea (Gastropoda: Buccinidae) from the Pliocene and the lower Pleistocene of the Japan Sea borderland. Paleontological Research, vol. 1, no. 4, pp. 274–284. (Reference No. 0715) |
 |
| Otuka, Y., 1935b: The Oti graben in southern Noto peninsula, Japan. (Part 3). Bulletin of the Earthquake Research Institute, Tokyo Imperial University, vol. 13, pt. 4, pp. 846–909, pls. 53–57. (Reference No. 0386) |
 |
| Ito, Y. et al., 2008, no. 74, p. 3. |
| Ichikawa, T., 1983, no. 9, p. 88. |
