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meaning: "Jilin Daxue wing"
Named By: Dong Zhiming, Sun YueinWu & Wu ShaoinYuan in 2003
Time Period: Early Cretaceous, 120 Ma
Location: China, Liaoning Province - Jiufotang Formation
Size: Estimates 1.7 meter wingspan
Diet: unavailable
Fossil(s): Almost complete individual
Classification: | Chordata | Reptilia | Pterosauria | Pterodactyloidea | Azhdarchoidea | Chaoyangopteridae |

Jidapterus is a genus of azhdarchoid pterodactyloid pterosaur from the Aptian-age Lower Cretaceous Jiufotang Formation of Chaoyang, Liaoning, China.

The genus was in 2003 named by Dong Zhiming, Sun Yue-Wu and Wu Shao-Yuan. The type species is Jidapterus edentus. The genus name is derived from Jilin Daxue or "Jilin University" and a Latinised Greek pteron, "wing". The specific name means "toothless" in Latin.

The genus is based on holotype CAD-01, a nearly complete skeleton with partial skull. The skull is toothless and relatively long, with a straight and very pointed beak, and a large hole where the antorbital fenestra is joined with the nostrils. The eye sockets are small, and there is no crest along the lower jaw as seen in ornithocheiroids, although a short projection was present at the back of the skull. The wingspan of this individual was estimated to be 1.7 m (5.58 ft). Its classification has been unstable; the original authors did not assign it to a group. Some of the original authors later suggested it was a more basal azhdarchoid, whereas another group suggested it was closer to Pteranodon and possibly the same genus as Chaoyangopterus David Unwin assigned it to Tapejaridae without comment in The Pterosaurs: From Deep Time, but later, in a collaboration with Lu, agreed that it belonged to another azhdarchoid group and was a close relative of Chaoyangopterus, placing both in the new family Chaoyangopteridae.

Read more about Jidapterus at Wikipedia
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