†Gymnotrachelus Dunkle and Bongert 1939 (armour-plated fish)
Placodermi - Arthrodiriformes - Selenosteidae
Parent taxon: Selenosteidae according to M. Rücklin 2011
Sister taxa: Draconichthys, Enseosteus, Melanosteus, Microsteus, Pachyosteus, Rhinosteus, Selenosteus, Stenosteus
Subtaxa: none
Ecology: nektonic carnivore