Molopophorus watanabei Otuka, 1937
| 1960. | Molopophorus watanabei Otuka, 1937 Paratype Oyama, K. et al. 1960 p. 74, pl. 14, fig. 4b |
| 1937. | Molopophorus watanabei Otuka, 1937 Paratype Otuka, Y. 1937c p. 170, pl. 16, fig. 6 |
| Condition: | Missing |
| Taxonomy: | Mollusca: Gastropoda: Nassariidae: |
| Geologic Time: | Cenozoic: Oligocene: |
| Horizon: | Shiramizu group: |
| Otuka, Y., 1937c: Middle Tertiary Mollusca from north Hokkaido and Zyoban coal-field, Japan. Japanese Journal of Geology and Geography, vol. 14, nos. 2–3, pp. 167–171, pl. 16. (Reference No. 0394) |
| 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) |
| Ichikawa, T., 1983, no. 9, p. 154. |
| Ichikawa, T., 1983, no. 9, p. 104. |
