Genus
Palaeomerus Størmer, 1956
List of species
Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Arthropoda |
| Subphylum | Chelicerata |
| Class | Xiphosura |
| Family | Xiphosurida |
| Subfamily | Limuloidea |
| Planaterga | |
| Genus | Kiaeria |
| Palaeomerus | |
| Species | hamiltoni |