Genus
Xanthoprion Kielan-Jaworowska, 1966
Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Annelida | 
| Class | Polychaeta | 
| Order | Eunicida | 
| Family | Atraktoprionidae | 
| Genus | Atraktoprion | 
| Estonioprion | |
| Xanthoprion | |
| Species | erraticus | 
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Annelida | 
| Class | Polychaeta | 
| Order | Eunicida | 
| Family | Atraktoprionidae | 
| Genus | Atraktoprion | 
| Estonioprion | |
| Xanthoprion | |
| Species | erraticus |