Parent taxon: Dipnoi according to A. M. Clement and J. A. Long 2010
Sister taxa: Adelargo, Amadeodipterus, Apatorhynchus, Ballagadus, Cathlorhynchus, Celsiodon, Ceratodonti, Ceratodontidae, Ceratodontiformes, Ceratodontoidei, Chirodipteroidea, Coccovedus, Ctenodontiformes, Ctenodontoidei, Ctenodus, Devonosteus, Diabolepidiformes, Dianodipterus, Dipnoiformes, Dipnorhynchiformes, Dipnorhynchina, Dipnorhynchoidei, Dipteri, Dipterida, Dipteriformes, Dipteroidei, Dongshanodus, Ferganoceratodus, Gnathorhizidae, Gosfordia, Harajicadipterus, Jessenia, Limanichthys, Megapleuron, Melanognathus, Neoceratodontidae, Nielsenia, Occludus, Oervigia, Persephonichthys, Pinnalongus, Powichthyidae, Proceratodus, Protopteri, Ptychoceratodontidae, Sagenodontidae, Sinodipterus, Sirenoidei, Speonesydrionina, Speonysedrion, Synthetodus, Tarachomylax, Uranolophina, Uronemoidei, Westollrhynchus, Xylognathus, Youngolepididae
Subtaxa: Holodontidei Holodontoidei
Ecology: