| Linxiavis | |
|---|---|
Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Aves |
| Order: | Pterocliformes |
| Family: | Pteroclidae |
| Genus: | †Linxiavis Liet al.,2020 |
| Species: | †L. inaquosus |
| Binomial name | |
| †Linxiavis inaquosus Liet al., 2020 | |
Linxiavis inaquosus is an extinct species ofsandgrouse known from a partial skeleton, found in theLate MioceneLiushu Formation (6–9 Ma) at the edge of theTibetan Plateau inGansu Province ofChina.[1] It is the most substantial and oldest record ofcrownSandgrouse in China which adds to the rapidly growingavianfauna of theLiushu formation.
Linxiavis was described in 2020 on the basis of articulated and associated elements of the wings,shoulder girdle,vertebrae, andhind limb that exhibitedapomorphies ofColumbiformes andSandgrouses (Pteroclidae) such as anotarium, and a shortcoracoid shaft.
It was a part of the diverse "Hipparion fauna", which reinforces the consensus thatlate MioceneLinxia Basin was an aridsavannah, associated with the uplift of theTibetan Plateau. Theholotype fossil suggests that the arid and high elevation Tibetan habitats may have been continuously occupied since thelate Miocene bysandgrouse that would've been carrying water in their modified breast feathers to their young.
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