Family

Phialaspididae White, 1946

Classification
Organism groupBiota
KingdomAnimalia
PhylumChordata
SubphylumVertebrata
SuperclassAgnatha
ClassPteraspidomorphi
SubclassHeterostraci
OrderPhialaspidiformes
FamilyPhialaspididae
GenusPhialaspis
FamilyTraquairaspididae
Weigeltaspididae