†Hadrosteus Gross 1932 (armour-plated fish)
Parent taxon: Aspinothoracidi according to R. K. Carr and W. J. Hlavin 2010
Sister taxa: Dinichthyidae, Gorgonichthys, Heintzichthys
Subtaxa: none
Ecology: nektonic carnivore
Parent taxon: Aspinothoracidi according to R. K. Carr and W. J. Hlavin 2010
Sister taxa: Dinichthyidae, Gorgonichthys, Heintzichthys
Subtaxa: none
Ecology: nektonic carnivore