Osteichthyes - Dipnomorpha - Sagenodontidae
Parent taxon: Dipnoi according to A. Kemp 1993
See also Campbell and Barwick 1990, Miles 1977, Schultze 1993 and Schultze 2004
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, Holodipterida, Jessenia, Limanichthys, Megapleuron, Melanognathus, Neoceratodontidae, Nielsenia, Occludus, Oervigia, Persephonichthys, Pinnalongus, Powichthyidae, Proceratodus, Protopteri, Ptychoceratodontidae, Sinodipterus, Sirenoidei, Speonesydrionina, Speonysedrion, Synthetodus, Tarachomylax, Uranolophina, Uronemoidei, Westollrhynchus, Xylognathus, Youngolepididae
Subtaxa: Aphelodus Sagenodus Straitonia
Ecology: planktonic suspension feeder
Distribution:
• Triassic of Australia (1 collection)
• Permian of United States (5: Oklahoma, Texas)
• Carboniferous to Permian of United States (1: Utah)
• Carboniferous of Canada (1: Nova Scotia), the United Kingdom (3), United States (5: Illinois, Kansas, West Virginia)
Total: 16 collections each including a single occurrence