| Omnivoropterygids
Temporal range: Early Cretaceous, 124.5–120 Ma
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| Fossil specimen of Sapeornis chaoyangensis, Hong Kong Science Museum | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Clade: | Dinosauria |
| Clade: | Saurischia |
| Clade: | Theropoda |
| Clade: | Avialae |
| Clade: | Avebrevicauda |
| Order: | †Omnivoropterygiformes |
| Family: | †Omnivoropterygidae Czerkas & Ji, 2002 |
| Type species | |
| †Omnivoropteryx sinousaorum Czerkas & Ji, 2002 | |
| Genera | |
| Synonyms | |
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Omnivoropterygidae (meaning "omnivorous wings") is a family of primitive avialan dinosaurs known exclusively from the Jiufotang FormationofChina, though putative omnivoropterygids are known from the Maevarano Formation of the MaastrichtianofMadagascar.[1] They had short skeletal tails and unusual skulls with teeth in the upper, but not lower, jaws. Their unique dentition has led some scientists to suggest an omnivorous diet for them.[2] The family was named by Stephen A. Czerkas & Qiang Ji in 2002, though its junior synonym Sapeornithidae is often used instead, though it was named four years later in 2006.[3] It is the only named family in the order Omnivoropterygiformes.
| Omnivoropterygidae |
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