Ryugasella ryugasensis Wright & Matsumoto
| 1954. | Ryugasella ryugasensis Wright & Matsumoto Wright, C. W. & Matsumoto, T. 1954 p. 122 PreviousNo: I-2865 |
| Condition: | Present |
| Taxonomy: | Mollusca: Cephalopoda: |
| Geologic Time: | Mesozoic: |
| Wright, C. W. and Matsumoto, T., 1954: Some doubtful Cretaceous ammonite gerera from Japan and Saghalien. Memoirs of the Faculty of Science, Kyushu University, Series D, vol. 4, no. 2, pp. 107–134, pls. 7–8. (Reference No. 0319) |
| Ichikawa, T. and Hayami, I., 1978, no. 2, p. 294. |
