"Cornaptychus" sp.
| 1961. | "Cornaptychus" sp. Hayami, I. 1961c p. 275, pl. 14, fig. 4a, b |
| Condition: | Present |
| Taxonomy: | Mollusca: Cephalopoda: |
| Geologic Time: | Mesozoic: |
| Hayami, I., 1961c: On the Jurassic pelecypod faunas in Japan. Journal of the Faculty of Science, University of Tokyo, Section 2, vol. 13, pt. 2, pp. 243–343, pl. 14. (Reference No. 0039) |
 |
| Ichikawa, T. and Hayami, I., 1978, no. 2, p. 34. |
