Genus
Tiaraspis Gross, 1962
Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Chordata |
| Subphylum | Vertebrata |
| Infraphylum | Gnathostomata |
| Class | Placodermi |
| Order | Arthrodira |
| Suborder | Phlyctaenioidei |
| Family | Groenlandaspididae |
| Genus | Groenlandaspis |
| Mulgaspis | |
| Tiaraspis | |
| Species | subtilis |