†Plectrodus Agassiz in Murchison 1839 (jawed fish)
Parent taxon: Gnathostomata according to D. L. Dineley and S. J. Metcalfe 1999
Sister taxa: Choanata, Chondrichthiomorphi, Lupopsyroides, Obtusacanthus, Osteichthyes, Placodermiomorphi, Teleostomi, Thelodonti
Subtaxa: none
Ecology: