Species
Ctenopyge (Ctenopyge) gracilis Henningsmoen, 1957
Synonyymit
1957 Ctenopyge (Ctenopyge) affinis gracilis n. sp. — Henningsmoen , pp. 201, fig. Pl. 5, 19 figs 17, 19-21
1973 Ctenopyge (Ctenopyge) affinis gracilis Henningsmoen — Schrank , pp. 826, fig. VIII 3-5,6?,7,8
2004 Ctenopyge (Ctenopyge) gracilis Henningsmoen, 1957 — Clarkson et al. , pp. 177, fig. 1-10, 12C,D; ?18J-L
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 |