Species
Ctenopyge (Ctenopyge) directa Lake, 1919
Synonyymit
1913 Ctenopyge directa, sp. nov. — Lake , fig. X 11
2017 Ctenopyge (Ctenopyge) directa Lake, 1919 — Rasmussen et al. , pp. 10, fig. 6D
Luokittelu
| 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 affinis |
| affinis gracilis |