Osteichthyes - Dipnomorpha - Powichthyidae
Parent taxon: Dipnoi according to R. van der Laan 2019
See also Clement and Janvier 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, Proceratodus, Protopteri, Ptychoceratodontidae, Sagenodontidae, Sinodipterus, Sirenoidei, Speonesydrionina, Speonysedrion, Synthetodus, Tarachomylax, Uranolophina, Uronemoidei, Westollrhynchus, Xylognathus, Youngolepididae
Subtaxa: Powichthys
Ecology: planktonic suspension feeder
Distribution:
• Devonian of Canada (1: Nunavut collection), Svalbard and Jan Mayen (2)
Total: 3 collections each including a single occurrence