Species
Acernaspis elliptifrons (Esmark, 1833)
Klassificering
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Arthropoda |
| Subphylum | Trilobita |
| Order | Phacopida |
| Suborder | Phacopina |
| Family | Phacopidae |
| Genus | Acernaspis |
| Species | elliptifrons |
| estonica | |
| incerta | |
| quadrilineata | |
| rectifrons | |
| rubicundula | |
| semicircularis | |
| sororia | |
| sufferta | |
| sulcata | |
| Acernaspis? konoverensis |