Suborder
Leiostegiina Bradley, 1925
Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Arthropoda |
| Subphylum | Trilobita |
| Order | Corynexochida |
| Suborder | Corynexochina |
| Illaenina | |
| Leiostegiina | |
| Family | Leiostegiidae |
| Dinesidae | |
| Dorypygidae |
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Arthropoda |
| Subphylum | Trilobita |
| Order | Corynexochida |
| Suborder | Corynexochina |
| Illaenina | |
| Leiostegiina | |
| Family | Leiostegiidae |
| Dinesidae | |
| Dorypygidae |