Order
Bradoriida Raymond, 1935
Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Arthropoda |
| Subphylum | Chelicerata |
| Crustacea | |
| Trilobita | |
| Class | Insecta |
| Merostomoidea | |
| Infraclass | Phosphatocopida |
| Order | Agnostida |
| Bradoriida | |
| Family | Beyrichonidae |
| Bradoriidae | |
| Comtalutidae | |
| Hipponicharionidae | |
| Mongolitubulidae | |
| Svealutidae | |
| Order | Leperditicopida |
| Nektaspida | |
| Species | Gdowia |