Species
Pseudosphaerexochus densigranulatus Nikolaisen, 1965
Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Arthropoda |
| Subphylum | Trilobita |
| Order | Phacopida |
| Suborder | Cheirurina |
| Family | Cheiruridae |
| Subfamily | Sphaerexochininae |
| Genus | Pseudosphaerexochus |
| Subgenus | (Pseudosphaerexochus) |
| Species | densigranulatus |
| hemicranium | |
| orvikui | |
| pahnschi | |
| roemeri |