Subgenus
Megistaspis (Ekeraspis) Tjernvik, 1956
Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Arthropoda |
| Subphylum | Trilobita |
| Order | Asaphida |
| Superfamily | Asaphoidea |
| Family | Asaphidae |
| Genus | Megistaspis |
| Subgenus | (Ekeraspis) |
| (Heraspis) | |
| (Megistaspidella) | |
| (Megistaspis) | |
| (Paramegistaspis) | |
| (Rhinoferus) | |
| Species | lawrowi |
| norvegica | |
| ringsakerensis | |
| scutata |