†infraorder Phlyctaenii Miles 1973 (armour-plated fish)
Placodermi - Phlyctaeniiformes
Parent taxon: Phlyctaenioidei according to J. A. Long et al. 1997
Sister taxa: none
Subtaxa: Lyhoalepis
Ecology: nektonic carnivore
Distribution: found only at Ly Hoa Pass, Locality 2 (Devonian of Vietnam)