| Longipteryx Temporal range: Early Cretaceous,
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| Fossil specimen, Beijing Museum of Natural History | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Clade: | Dinosauria |
| Clade: | Saurischia |
| Clade: | Theropoda |
| Clade: | Avialae |
| Clade: | †Enantiornithes |
| Family: | †Longipterygidae |
| Genus: | †Longipteryx Zhang et al., 2001 |
| Species: | †L. chaoyangensis
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| Binomial name | |
| †Longipteryx chaoyangensis Zhang et al., 2001
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| Synonyms | |
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Camptodontornis yangi? (Li et al., 2010)[1] | |
Longipteryx is a genus of prehistoric bird which lived during the Early Cretaceous (Aptian stage, 120.3 million years ago). It contains a single species, Longipteryx chaoyangensis. Its remains have been recovered from the Jiufotang Formation at Chaoyang in Liaoning Province, China. Apart from the holotype IVPP V 12325 - a fine and nearly complete skeleton — another entire skeleton (IPPV V 12552) and some isolated bones (a humerus and furcula, specimens IPPV V 12553, and an ulna, IPPV V 12554) are known to date.[2]
The name Longipteryx means "one with long feathers", from Latin longus, "long" + Ancient Greek pteryx (πτέρυξ), "wing", "feather" or "pinion". The specific name chaoyangensis is from the Latin for "from Chaoyang".
- ^ Xuri Wang; Caizhi Shen; Sizhao Liu; Chunling Gao; Xiaodong Cheng; Fengjiao Zhang (2015). "New material of Longipteryx (Aves: Enantiornithes) from the Lower Cretaceous Yixian Formation of China with the first recognized avian tooth crenulations". Zootaxa. 3941 (4): 565–578. doi:10.11646/zootaxa.3941.4.5. PMID 25947529.
- ^ Zhang, Fucheng; Zhou, Zhonghe; Hou, Lianhai; Gu, Gang (June 2001). "Early diversification of birds: Evidence from a new opposite bird". Chinese Science Bulletin. 46 (11): 945–949. Bibcode:2001ChSBu..46..945Z. doi:10.1007/bf02900473. S2CID 85215328.