| Omnivoropterygids | |
|---|---|
 | |
| Fossil specimen ofSapeornis chaoyangensis,Hong Kong Science Museum | |
Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| 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 | |
| |
Omnivoropterygidae (meaning "omnivorous wings") is afamily of primitiveavialandinosaurs known exclusively from theJiufotang Formation ofChina, though putative omnivoropterygids are known from theMaevarano Formation of theMaastrichtian ofMadagascar.[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 anomnivorous diet for them.[2] The family was named byStephen A. Czerkas &Qiang Ji in 2002, though its junior synonymSapeornithidae is often used instead, though it was named four years later in 2006.[3] It is the only named family in the orderOmnivoropterygiformes.
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