Species
Triarthrus Triarthrus Månsson, 1998
Synonymy list
1998 Triarthnis latissimus nomen novum — Mansson , pp. 55, fig. Figs 4d, lla-1, 12a-k and 13a-l
Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Arthropoda |
| Subphylum | Trilobita |
| Order | Ptychopariida |
| Suborder | Olenina |
| Family | Olenidae |
| Superfamily | Triarthrinae |
| Genus | Triarthrus |
| Species | freji |
| jemtlandicus | |
| linnarssoni | |
| Triarthrus |