Placodermi
Genus

Heterogaspis Strand, 1932

Classification
Organism groupBiota
KingdomAnimalia
PhylumChordata
SubphylumVertebrata
Organism groupGnathostomata
ClassPlacodermi
OrderArthrodira
SuborderPhlyctaenioidei
FamilyPhlyctaeniidae
GenusDiadsomaspis
Heterogaspis
Phlyctaenius
Stipatosteus