Genus
Elrathia Walcott, 1924
Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Arthropoda |
| Subphylum | Trilobita |
| Order | Ptychopariida |
| Family | Alokistocaridae |
| Genus | Elrathia |
| Species | Elrathina cordillerae |
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Arthropoda |
| Subphylum | Trilobita |
| Order | Ptychopariida |
| Family | Alokistocaridae |
| Genus | Elrathia |
| Species | Elrathina cordillerae |