†unranked clade Aspinothoracidi Miles and Dennis 1979 (armour-plated fish)
Parent taxon: Eubrachythoraci according to R. K. Carr and W. J. Hlavin 2010
Sister taxa: Homostius, Pachyosteomorphi
Subtaxa: Dinichthyidae Gorgonichthys Hadrosteus Heintzichthys
Ecology: nektonic carnivore
Distribution: