Species
Stygina angustifrons Warburg, 1925
Synonyymit
1925     StygIna angustifrons — Warburg , pp. 96-97, fig. 2:1-2
1955     StygIna angustifrons Warburg, 1925 — Skjeseth , pp. 14
Luokittelu
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Arthropoda | 
| Subphylum | Trilobita | 
| Order | Corynexochida | 
| Suborder | Illaenina | 
| Family | Styginidae | 
| Genus | Stygina | 
| minor | |
| Species | angustifrons | 
| plautini |