Species
Polyrhizodus concavus Trautschold, 1874
Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Chordata | 
| Subphylum | Vertebrata | 
| Infraphylum | Gnathostomata | 
| Class | Chondrichthyes | 
| Order | Holocephali | 
| Petalodontiformes | |
| Family | Petalodontidae | 
| Genus | Polyrhizodus | 
| Species | concavus | 
 See also