Family
Acritolepidae Valiukevičius et Burrow, 2005
Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Chordata |
| Subphylum | Vertebrata |
| Organism group | Gnathostomata |
| Class | Acanthodii |
| Order | Ischnacanthiformes |
| Family | Acritolepidae |
| Genus | Monospina |
| Family | Ischnacanthidae |
| Podoliacanthidae | |
| Poracanthodidae |