Osteichthyes - 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, Rhipidistia, Rhizodontida, Tetrapoda, Youngolepis
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), United States (1: Pennsylvania)
Total: 35 collections including 37 occurrences