Parent taxon: Sarcopterygii according to J. S. Nelson et al. 2016
See also Brazeau 2005, Davis et al. 2004, Holland et al. 2007, Jeffery 2006, Jeffery 2012, Johanson and Ahlberg 1998 and Johanson and Ahlberg 2001
Sister taxa: Achoania, Actinistia, Akinetia, Coelacanthimorpha, Dipnoi, Dipnomorpha, Dipnotetrapodomorpha, Guiyu, Lepidosireniformes, Ligulalepis, Onychodontia, Onychodontida, Onychodontiformes, Osteolepidida, Osteolepiformes, Psarolepis, Ptyctolepis, Rhipidistia, Rhizodontiformes, Tetrapoda, Youngolepis
Subtaxa: Archichthys Barameda Letognathus Sauripteridae
Distribution:
• Carboniferous of Australia (2 collections), Belarus (3), Canada (1: Nova Scotia), United States (1: Iowa)
• Devonian of Antarctica (1), Belarus (1)
Total: 9 collections including 11 occurrences