Spyroceras melolineatum Niko, 1996
| 1996. | Spyroceras melolineatum Niko, 1996 Paratype Niko, S. 1996 p. 352, fig. 5-4 |
| Condition: | Present |
| Taxonomy: | Mollusca: Cephalopoda: |
| Geologic Time: | Paleozoic: |
| Niko, S., 1996: Pseudorthoceratid cephalopods from the Early Devonian Fukuji formation of Gifu Prefecture, central Japan. Transactions and Proceedings of the Palaeontological Society of Japan. New Series, no. 181, pp. 347–360. (Reference No. 0734) |
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| Ito, Y. et al., 2008, no. 74, p. 20. |
