Crotalocephalina ( Crotalocephalina ) sp.
| 1977. | Crotalocephalina (Crotalocephalina) sp. Kobayashi, T. & Hamada, T. 1977 p. 103, pl. 8, fig. 2a, b, text-fig. 4e |
| 1956. | Cheirurus (Crotalocephalus) sp. Kobayashi, T. & Igo, H. 1956 p. 152, pl. 10, fig.5a, b |
| Condition: | Missing |
| Preservation: | Replica: The original specimen in the Tsukuba University, Ibaraki |
| 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) |
| Kobayashi, T. and Igo, H., 1956: On the occurrence of Crotalocephalus, Devonian trilobites, in Hida, west Japan. Japanese Journal of Geology and Geography, vol. 27, nos. 2–4, pp. 143–155, pl. 10. (Reference No. 0190) |
 PDF in prep. |
| Ichikawa, T., 1988, no. 15, p. 57. |
| Ichikawa, T. and Hayami, I., 1978, no. 2, p. 188. |
