Genus

Didymaspis Lankester, 1867

Klassificering
Organism groupBiota
KingdomAnimalia
PhylumChordata
SubphylumVertebrata
SuperclassAgnatha
ClassCephalaspidomorphi
SubclassOsteostraci
OrderCephalaspidiformes
GenusDidymaspis
Meelaidaspis
Ohesaareaspis