Family
Palaeospondylidae Gill,1896
Klassificering
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Chordata |
| Subphylum | Vertebrata |
| Organism group | Gnathostomata |
| Class | Chondrichthyes |
| Subclass | Elasmobranchii |
| Order | Acanthodei |
| Holocephali | |
| Polymerolepidiformes | |
| Family | Kannathalepididae |
| Palaeospondylidae | |
| Genus | Palaeospondylus |
| Family | Wellingtonellidae |
| Genus | Karksilepis |