| Longicrusavis Temporal range: Early Cretaceous,
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|---|---|
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Clade: | Dinosauria |
| Clade: | Saurischia |
| Clade: | Theropoda |
| Clade: | Avialae |
| Clade: | Ornithuromorpha |
| Family: | †Hongshanornithidae |
| Genus: | †Longicrusavis O'Connor et al., 2010 |
| Species: | †L. houi
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| Binomial name | |
| †Longicrusavis houi O'Connor et al., 2010
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Longicrusavis (meaning "long shin bird" in Latin) is an extinct genus of basal ornithuromorph bird found only at Dawangzhangzi village in Liaoning Province, China. Longicrusavis was a ground dwelling carnivore, a wader, and part of biological family Hongshanornithidae, considered to have been a dominant species in the Jehol Biota, the prehistoric Chinese ecosystem which supported them.[1] The name Hongshanornithidae represents one of China's oldest recorded cultures in the region, the Hongshan culture.[2]