†infraclass Onychodontida Andrews 1973 (lobe-finned fish)
Parent taxon: Sarcopterygii according to J. S. Nelson et al. 2016
See also Upeniece 1995
Sister taxa: Achoania, Actinistia, Akinetia, Coelacanthimorpha, Dipnoi, Dipnomorpha, Dipnotetrapodomorpha, Guiyu, Lepidosireniformes, Ligulalepis, Onychodontia, Onychodontiformes, Osteolepidida, Osteolepiformes, Psarolepis, Rhipidistia, Rhizodontida, Tetrapoda, Youngolepis
Subtaxa: Strunius
Ecology:
Distribution:
• Devonian of Belarus (1 collection), Latvia (1), the Russian Federation (3)
Total: 5 collections each including a single occurrence