| 1935. | Bursa (Gyrineum) natatoria ("Bolten" Roding) Otuka, Y. 1935b p. 868, pl. 53, fig. 50a, b PreviousNo: 2179 |
| Condition: | Present |
| Taxonomy: | Mollusca: Gastropoda: Bursidae: |
| Geologic Time: | Cenozoic: |
| 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) |
 |
| Ichikawa, T., 1983, no. 9, p. 88. |
