Species
Atopacanthus peculiaris Hussakof, 1913
Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Chordata |
| Subphylum | Vertebrata |
| Organism group | Gnathostomata |
| Class | Acanthodii |
| Order | Ischnacanthiformes |
| Family | Ischnacanthidae |
| Genus | Atopacanthus |
| Species | dentatus |
| peculiaris |