Spirula spirula (Linnaeus)
| 1998. | Spirula spirula (Linnaeus) Tanabe, K. et al. 1998 p. 135, fig. 4-4a,b |
| Condition: | Present |
| Taxonomy: | Mollusca: |
| Geologic Time: | Mesozoic: |
| Tanabe, K., Landman, N. H. and Mapes, R. H., 1998: Muscle attachment scars in a Carboniferous goniatite. Paleontological Research, vol. 2, no. 2, pp. 130–136. (Reference No. 0770) |
 |
| Ito, Y. et al., 2008, no. 74, p. 84. |
