Semisulcospira fiscina (Yokoyama, 1932)
| 1960. | Semisulcospira fiscina (Yokoyama, 1932) Paralectotype Oyama, K. et al. 1960 p. 41, pl. 4, fig. 1b |
| 1959. | Melanoides fiscinus (Yokoyama) Syntype Makiyama, J. 1959 pl. 83, fig. 2 |
| 1941. | Semisulcospira fiscina (Yokoyama, 1932) Paralectotype Suzuki, K. 1941c p. 22, pl. 1, fig. 7 |
| 1932. | Thiara fiscina Yokoyama, 1932 Syntype Yokoyama, M. 1932a p. 237, pl. 1, fig. 2 |
| Condition: | Present |
| Taxonomy: | Mollusca: Gastropoda: Pleuroceridae: |
| Geologic Time: | Cenozoic: Oligocene: |
| Horizon: | Uryu group: Upper Numata formation: |
| Makiyama, J., 1959: Matajiro Yokoyama's Tertiary fossils from various localities in Japan. Part 3. Palaeontological Society of Japan, Special Papers, no. 5, pp. 1–4, pls. 58–86. (Reference No. 0369) |
| Oyama, K., Mizuno, A. and Sakamoto, T., 1960: Illustrated handbook of Japanese Paleogene molluscs., pp. 1–244, pls. 1–71. Geological Survey of Japan. (Reference No. 0412) |
| Suzuki, K., 1941c: Notes on the Tertiary non-marine mollusca from the coal-field of Uryu, Hokkaido. Journal of the Faculty of Science, Imperial University of Tokyo, Section 2, vol. 6, pt. 2, pp. 13–37, pls. 1–2. (Reference No. 0416) |
| Yokoyama, M., 1932a: Tertiary Mollusca from the coalfield of Uryu, Ishikari. Journal of the Faculty of Science, Imperial University of Tokyo, Section 2, vol. 3, pt. 6, pp. 221–247, pls. 1–4. (Reference No. 0503) |
 |
| Ichikawa, T., 1983, no. 9, p. 159. |
| Ichikawa, T., 1983, no. 9, p. 62. |
| Ichikawa, T., 1983, no. 9, p. 165. |
| Ichikawa, T., 1983, no. 9, p. 389. |
