| Onychodontida Temporal range: Late Silurian - Late Devonian |
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| Reconstruction of Onychodus | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Subphylum: | Vertebrata |
| Infraphylum: | Gnathostomata |
| Class: | Osteichthyes |
| Subclass: | Sarcopterygii |
| Infraclass: | Crossopterygii |
| Order: | †Onychodontida Andrews, 1973 |
| Clades | |
Onychodontida (= Onychodontiformes or Struniiformes) is a group of prehistoric fish. This order was it represents a small group of sarcopterygian fishes that lived between Late Silurian to Late Devonian period. The onychodontiformes are probably a paraphyletic group of basal sarcopterygians.
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