Infraclass Actinistia Cope 1870
Invalid subtaxa: Coelacanthimorpha, Coelacanthini [replaced name]
Parent taxon: Sarcopterygii according to R. van der Laan 2019
See also Betancur et al. 2013, Casier 1965, Long 2011, Schaeffer 1941 and TorinĚo et al. 2021
Sister taxa: Achoania, Actinistia, Akinetia, Dipnomorpha, Dipnotetrapodomorpha, Guiyu, Lepidosireniformes, Ligulalepis, Onychodontia, Onychodontida, Osteolepidida, Psarolepis, Ptyctolepis, Rhipidistia, Rhizodontida, Tetrapoda, Polypterini, Amii, Cyclolepidi, Eugnathi, Coelacanthini, Haplistia, Platysomi, Heterocerci, Saurodipterini, Lepidostei, Belonostomi, Belonorhynchi, Osteolepidae, Taxistia
Subtaxa: Coelacanthiformes Osteopleurus