Genus
Heterogaspis Strand, 1932
Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Chordata |
| Subphylum | Vertebrata |
| Organism group | Gnathostomata |
| Class | Placodermi |
| Order | Arthrodira |
| Suborder | Phlyctaenioidei |
| Family | Phlyctaeniidae |
| Genus | Diadsomaspis |
| Heterogaspis | |
| Phlyctaenius | |
| Stipatosteus |