†family Onychodontidae Woodward 1891 (lobe-finned fish)
Osteichthyes - Onychodontiformes - Onychodontidae
Synonym: Pycnacanthidae Lebedev 1995
Parent taxon: Onychodontiformes according to R. van der Laan 2019
See also Anderson 2001, Hay 1902, Jordan 1963, Lu and Zhu 2010, Mann et al. 2017, Nelson et al. 2016, Woodward 1891 and Young and Schultze 2005
Sister taxa: Bukkanodus, Strunius
Subtaxa: Grossius Luckeus Onychodus Pycnacanthus Qingmenodus
Type: Onychodus
Ecology:
Distribution:
• Carboniferous of United States (1: West Virginia collection)
• Devonian of Australia (3), Belarus (6), Canada (1: Ontario), China (2), Estonia (3), Germany (1), Iran (2), Poland (1), the Russian Federation (2), Spain (1), United States (9: Arizona, Iowa, Michigan, Nevada, Ohio)
Total: 32 collections including 33 occurrences