Genus
Distyrax Lane, 1988
Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Arthropoda |
| Subphylum | Trilobita |
| Order | Phacopida |
| Suborder | Cheirurina |
| Family | Encrinuridae |
| Subfamily | Encrinurinae |
| Genus | Balizoma |
| Distyrax | |
| Elsarella | |
| Encrinuroides | |
| Encrinurus | |
| Erratencrinurus | |
| Nucleurus | |
| Struszia | |
| Wallacia |