Perakaspis trapezoidalis Kobayashi & Hamada
| 1972. | Perakaspis trapezoidalis Kobayashi & Hamada Paratype Kobayashi, T. & Hamada, T. 1972 p. 21, pl. 2, fig. 10 |
| Condition: | Missing |
| Taxonomy: | Arthropoda: |
| Geologic Time: | Paleozoic: |
| Kobayashi, T. and Hamada, T., 1972: A unique trilobite assemblage of the Devonian Kroh fauna in west Malaysia, with notes on the tentaculites facies and the older Palaeozoic faunal sequence in Thailand-Malaya. Contributions to the geology and palaeontology of southeast Asia, 95. Geology and Palaeontology of Southeast Asia, vol. 10, pp. 1–34, pls. 1–3. (Reference No. 0546) |
| Ichikawa, T., 1988, no. 15, p. 48. |
