†order Onychodontiformes (lobe-finned fish)

Osteichthyes - Onychodontiformes

Synonym: Struniiformes

Parent taxon: Sarcopterygii according to A. Mann et al. 2017

See also Johanson et al. 2007, Long 2011, Lu and Zhu 2010 and Nelson et al. 2016

Sister taxa: Achoania, Actinistia, Akinetia, Coelacanthimorpha, Dipnoi, Dipnomorpha, Dipnotetrapodomorpha, Guiyu, Lepidosireniformes, Ligulalepis, Onychodontia, Onychodontida, Osteolepidida, Osteolepiformes, Psarolepis, Rhipidistia, Rhizodontida, Tetrapoda, Youngolepis

Subtaxa: Bukkanodus Onychodontidae

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Ecology:

Distribution:

• Carboniferous of United States (1: West Virginia collection)

• Devonian of Australia (3), Belarus (7), Canada (1: Ontario), China (1), Estonia (3), Germany (1), Iran (1), Poland (1), the Russian Federation (1), South Africa (1), United States (3: Iowa, Nevada)

Total: 24 collections including 26 occurrences

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