Isognomon sp.
| 1961. | Isognomon sp. Hayami, I. 1961b p. 118, pl. 16, fig. 5 |
| Condition: | Missing |
| Taxonomy: | Mollusca: Bivalvia: Isognomonidae: |
| Geologic Time: | Mesozoic: |
| Hayami, I., 1961b: Some Jurassic pelecypods from the Awazu and Yamagami formations in northeast Japan. Transactions and Proceedings of the Palaeontological Society of Japan. New Series, no. 43, pp. 117–123, pl. 16. (Reference No. 0038) |
| Ichikawa, T. and Hayami, I., 1978, no. 2, p. 34. |
