Order
Acanthodei Gunnell, 1933
Klassificering
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Chordata |
| Subphylum | Vertebrata |
| Infraphylum | Gnathostomata |
| Class | Chondrichthyes |
| Subclass | Acanthodii |
| Elasmobranchii | |
| Order | Acanthodei |
| Family | Acanthoessidae |
| Order | Holocephali |
| Polymerolepidiformes | |
| Family | Kannathalepididae |
| Palaeospondylidae | |
| Wellingtonellidae | |
| Genus | Karksilepis |