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