Otostoma japonicum (Nagao)
| 1984. | Otostoma japonicum (Nagao) Kase, T. 1984 p. 90, pl. 9. fig. 2a-c |
| 1968. | Otostoma japonicum (Nagao) Hanai, T. et al. 1968 p. 28, pl. 4, fig. 2 |
| Condition: | Present |
| Taxonomy: | Mollusca: Gastropoda: |
| Geologic Time: | Mesozoic: |
| Hanai, T., Obata, I. and Hayami, I., 1968: Notes on the Cretaceous Miyako group. Memoirs of the National Science Museum, no. 1, pp. 20–28, pls. 1–4. (in Japanese with English summary) (Reference No. 0516) |
 |
| Kase, T., 1984: Early Cretaceous marine and brackish-water Gastropoda from Japan., pp. 1–263, pls. 1–31. National Science Museum, Tokyo. (Reference No. 0529) |
| Ichikawa, T., 1988, no. 15, p. 27. |
| Ichikawa, T., 1988, no. 15, p. 11. |
