†order Iniopterygia Zangerl and Case 1973 (cartilaginous fish)
Parent taxon: Chondrichthyes according to E. D. Grogan and R. Lund 2009
Sister taxa: Ancistriodus, Areyonga, Bradyodonti, Bradyodontida, Desmiodontida, Elasmobranchii, Elegestolepis, Eucentrurus, Euchondrocephali, Ewingia, Geisacanthus, Hamatus, Holocephalimorpha, Leonotus, Listracanthus, Machichnus, Mongolepididae, Ptomacanthus, Pucapumpella, Rhinobatiformes, Selachii, Simmorius, Subterbranchialia, Thaumatacanthus, Xystracanthus
Subtaxa: Iniopterygidae, Inioxyle, Promexyele, Sibyrhynchidae
Ecology: nektonic carnivore