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, Cyclolepidi, Amii, Polypterini, Platysomi, Belonorhynchi, Lepidostei, Coelacanthini, Osteolepidae, Heterocerci, Saurodipterini, Eugnathi, Belonostomi, Taxistia, Haplistia
Subtaxa: Coelacanthiformes Osteopleurus