Species
Ctenopyge (Ctenopyge) bisulcata (Phillips, 1848)
Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Arthropoda | 
| Subphylum | Trilobita | 
| Order | Ptychopariida | 
| Suborder | Olenina | 
| Family | Olenidae | 
| Genus | Ctenopyge | 
| Subgenus | (Ctenopyge) | 
| Species | ahlbergi | 
| bisulcata | |
| directa | |
| fletcheri | |
| gracilis | |
| linnarssoni | |
| rushtoni | |
| Subspecies | affinis |