Family
Zenaspididae Stensiö, 1958
Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Chordata |
| Subphylum | Vertebrata |
| Superclass | Agnatha |
| Class | Cephalaspidomorphi |
| Subclass | Osteostraci |
| Order | Benneviaspidiformes |
| Suborder | Scolenaspidoidei |
| Family | Scolenaspididae |
| Zenaspididae | |
| Genus | Diademaspis |
| Afanassiaspis | |
| Balticaspis |