Family
Culmacanthidae Long, 1983
Luokittelu
| Organism group | Biota |
| Incertae sedis (fossils) | |
| Order | Diplacanthiformes |
| Family | Culmacanthidae |
| Genus | Culmacanthus |
| Family | Diplacanthidae |
| Genus | Devononchus |
| Organism group | Biota |
| Incertae sedis (fossils) | |
| Order | Diplacanthiformes |
| Family | Culmacanthidae |
| Genus | Culmacanthus |
| Family | Diplacanthidae |
| Genus | Devononchus |