Onychodontiformes Temporal range:Pragian–Famennian PreꞒ Ꞓ O S D C P T J K Pg N PossibleLochkovian record[1]
Reconstruction ofOnychodus
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Clade:	Sarcopterygii
Order:	†Onychodontiformes Andrews, 1973
Genera
†BukkanodusJohansonet al., 2007 †GrossiusSchultze, 1973 †LuckeusYoung & Schultze, 2005 †OnychodusNewberry, 1857 †QingmenodusLu & Zhu, 2009 †SelenodusMondéjar-Fernández, 2020 †StruniusJessen, 1966

Onychodontiformes (also known asOnychodontida andStruniiformes) is an order of prehistoricsarcopterygian fish that lived during theDevonian period. The onychodontiforms are generally regarded as early-diverging members of thecoelacanth lineage.^[2][1]

The following cladogram is adapted from Mondéjar-Fernández (2020). The study recovered Onychodontiformes as aparaphyletic group, which is shown in green:^[1]

• Onychodontiformes at Palaeos
• Onychodontida phylogeny at Mikko's Phylogeny ArchiveArchived 2008-01-26 at theWayback Machine

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• Famennian extinctions
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