Phacops cf. okanoi Sugiyama
| 1977. | Phacops cf. okanoi Sugiyama Kobayashi, T. & Hamada, T. 1977 p. 120, pl. 9, fig. 7a-d, text-fig. 5F |
| 1956. | Phacops nonakai Okubo Paratype Okubo, M. 1956 p. 43, pl. 3, fig. 11b |
| Condition: | Missing |
| Taxonomy: | Arthropoda: |
| Geologic Time: | Paleozoic: |
| Kobayashi, T. and Hamada, T., 1977: Devonian trilobites of Japan in comparison with Asian, Pacific and other faunas. Palaeontological Society of Japan, Special Papers, no. 20, pp. i–vii + 1–202, pls. 1–13. (Reference No. 0551) |
| Okubo, M., 1956: Some Devonian brachiopods and trilobites of the southern Kitakami mountainland. Japanese Journal of Geology and Geography, vol. 27, no. 1, pp. 37–45, pl. 3. (Reference No. 0604) |
| Ichikawa, T., 1988, no. 15, p. 61. |
| Ichikawa, T., 1988, no. 15, p. 121. |
