Metaspyroceras insignis Niko
| 1993. | Metaspyroceras insignis Niko Holotype Niko, S. 1993 p. 213, fig. 3-1,5 |
| Condition: | Present |
| Taxonomy: | Mollusca: Cephalopoda: |
| Geologic Time: | Paleozoic: |
| Niko, S., 1993: Orthoceratid cephalopods from the Early Devonian Fukuji formation of Gifu Prefecture, central Japan. Journal of Paleontology, vol. 67, no. 2, pp. 210–216. (Reference No. 0673) |
| Ichikawa, T., 1995, no. 33, p. 40. |
