Species
Megistaspis (Megistaspidella) isvosica Balashova, 1976
Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Arthropoda |
| Subphylum | Trilobita |
| Order | Asaphida |
| Superfamily | Asaphoidea |
| Family | Asaphidae |
| Genus | Megistaspis |
| Subgenus | (Megistaspidella) |
| Species | acuticauda |
| bombifrons | |
| convexa | |
| curvispina | |
| extenuata | |
| geminus | |
| gigas | |
| grandis | |
| heros | |
| isvosica | |
| lamanskii | |
| longa | |
| longicauda | |
| obtusicauda | |
| obuchovensis | |
| pseudorudis | |
| spinulata | |
| triangularis |