Viviparus uryuensis Yokoyama
| 1959. | Viviparus uryuensis Yokoyama Syntype Makiyama, J. 1959 pl. 83, fig. 10 |
| 1932. | Viviparus uryuensis Yokoyama, 1932 Syntype Yokoyama, M. 1932a p. 236, pl. 1, fig. 10 |
| Condition: | Present |
| Taxonomy: | Mollusca: Gastropoda: Viviparidae: |
| Geologic Time: | Cenozoic: |
| Horizon: | Upper Tachibets beds: |
| 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) |
| 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) |
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| Ichikawa, T., 1983, no. 9, p. 62. |
| Ichikawa, T., 1983, no. 9, p. 389. |
