Genus
Mesotaphraspis Whittington et Evitt, 1954
Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Arthropoda |
| Subphylum | Trilobita |
| Order | Proetida |
| Suborder | Bathyuroidea |
| Family | Dimeropygidae |
| Genus | Celmus |
| Dimeropyge | |
| Mesotaphraspis | |
| Paratoernquistia | |
| Solariproetus | |
| Toernquistia |