Dunkleosteus

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DomainEukaryota • RegnumAnimalia • PhylumChordata • SubphylumVertebrata • InfraphylumGnathostomata • Classis: †Placodermi • OrdoArthrodira • SuperfamiliaDinichthyloidea • FamiliaDinichthyidae • Genus: Dunkleosteus