Nipponaspis takaizumii Koizumi
| 1984. | Nipponaspis takaizumii Koizumi Paratype Kobayashi, T. & Hamada, T. 1984b p. 43, pl. 2, fig. 3 |
| Condition: | Present |
| Taxonomy: | Arthropoda: |
| Geologic Time: | Paleozoic: |
| Kobayashi, T. and Hamada, T., 1984b: Permian trilobites of Japan in comparison with Asian, Pacific and other faunas. Palaeontological Society of Japan, Special Papers, no. 26, pp. 1–92, pls. 1–14. (Reference No. 0563) |
| Ichikawa, T., 1988, no. 15, p. 81. |
