†order Ptycholepiformes (ray-finned fish)
Parent taxon: Chondrostei according to J. A. Long 2011
Sister taxa: Acipenseriformes, Cheirolepiformes, Guidayichthyiformes, Luganoiiformes, Neochallaia, Phanerorhynchiformes, Pholidopleuriformes, Polzbergiiformes, Saurichthyiformes
Subtaxa: Chungkingichthyes, Yuchoulepis
Ecology: