Sarcopterygii - Rhizodontiformes
Parent taxon: Sarcopterygii according to A.Y. Smirnova 2022
See also Dineley and Metcalf 1999, Long 2011, Nelson et al. 2016 and Young et al. 1992
Sister taxa: Achoania, Actinistia, Akinetia, Coelacanthimorpha, Dipnoi, Dipnomorpha, Dipnotetrapodomorpha, Guiyu, Lepidosireniformes, Ligulalepis, Onychodontia, Onychodontida, Onychodontiformes, Osteolepidida, Osteolepiformes, Psarolepis, Ptyctolepis, Rhipidistia, Rhizodontida, Tetrapoda, Youngolepis, Belonorhynchi, Taxistia, Haplistia, Saurodipterini, Amii, Polypterini, Lepidostei, Coelacanthini, Eugnathi, Osteolepidae, Cyclolepidi, Belonostomi, Heterocerci, Platysomi
Subtaxa: Rhizodontidae
Ecology:
Distribution:
• Carboniferous of Belarus (1 collection), Ireland (1), the Russian Federation (1), the United Kingdom (24), United States (3: Montana, West Virginia)
• Devonian of Antarctica (2), Australia (1), Colombia (1), the United Kingdom (2), United States (1: Pennsylvania)
Total: 37 collections including 39 occurrences