Subprionocyclus neptuni (Geinitz)
| 1965. | Subprionocyclus neptuni (Geinitz) Matsumoto, T. 1965 p. 52 PreviousNo: I-3331 |
| Condition: | Present |
| Taxonomy: | Mollusca: Cephalopoda: |
| Geologic Time: | Mesozoic: |
| Matsumoto, T., 1965: A monograph of the Collignoniceratidae from Hokkaido. Part 1. Studies of the Cretaceous ammonites from Hokkaido and Saghalien 14. Memoirs of the Faculty of Science, Kyushu University, Series D, vol. 16, no. 1, pp. 1–80, pls. 1–18. (Reference No. 0227) |
| Ichikawa, T. and Hayami, I., 1978, no. 2, p. 221. |
