Parent taxon: Sarcopterygii according to R. van der Laan 2019
See also Betancur et al. 2013, Clack et al. 2019, Clement 2009, Clement 2012, Clement and Janvier 2004, Clement and Long 2010, Friedman and Daeschler 2006, Johanson and Ritchie 2000, Long 2011, Meyer and Zardoya 2003, Mondéjar‐Fernández et al. 2020, Nelson et al. 2016, Qiao and Zhu 2009, Qiao and Zhu 2015, Sharp and Clack 2013, Smithson et al. 2016 and Yu 1998
Sister taxa: Achoania, Actinistia, Actinistia, Akinetia, Dipnotetrapodomorpha, Guiyu, Lepidosireniformes, Ligulalepis, Onychodontia, Onychodontida, Osteolepidida, Psarolepis, Ptyctolepis, Rhipidistia, Rhizodontida, Tetrapoda, Coelacanthini, Platysomi, Lepidostei, Cyclolepidi, Haplistia, Osteolepidae, Saurodipterini, Belonostomi, Amii, Polypterini, Belonorhynchi, Eugnathi, Taxistia, Heterocerci
Subtaxa: Dipnoi Porolepidimorpha