Spirula spirula (Linné)
| 1989. | Spirula spirula (Linné) Tanabe, K. 1989 p. 188, fig. 6-C,D |
| Condition: | Present |
| Taxonomy: | Mollusca: Cephalopoda: |
| Geologic Time: | Mesozoic: |
| Tanabe, K., 1989: Endocochliate embryo model in the Mesozoic Ammonitida. Historical Biology, vol. 2, pp. 183–196. (Reference No. 0692) |
| Ichikawa, T., 1995, no. 33, p. 50. |
