Geratrinodus perconvexus Kobayashi & Hamada
| 1978. | Geratrinodus perconvexus Kobayashi & Hamada Holotype Kobayashi, T. & Hamada, T. 1978a p. 9, pl. 1, fig. 4a-e, text-fig. 4a-d |
| Condition: | Present |
| Taxonomy: | Arthropoda: |
| Geologic Time: | Paleozoic: |
| Kobayashi, T. and Hamada, T., 1978a: Upper Ordovician trilobites from the Langkawi islands, Malaysia. Contributions to the geology and palaeontology of southeast Asia, 188. Geology and Palaeontology of Southeast Asia, vol. 19, pp. 1–27, pls. 1–2. (Reference No. 0552) |
 PDF in prep. |
| Ichikawa, T., 1988, no. 15, p. 64. |
