Sinopterus
| Sinopterus Temporal range: Early Cretaceous,
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| Fossil specimen of S. dongi, National Museum of Natural Science | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Order: | †Pterosauria |
| Suborder: | †Pterodactyloidea |
| Clade: | †Azhdarchoidea |
| Family: | †Tapejaridae |
| Subfamily: | †Sinopterinae |
| Genus: | †Sinopterus Wang & Zhou, 2003 |
| Type species | |
| †Sinopterus dongi Wang & Zhou, 2003
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| Synonyms | |
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Genus synonymy
Species synonymy
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Sinopterus (meaning "Chinese wing") is a genus of tapejarid pterodactyloid pterosaur from the Aptian-age Lower Cretaceous Jiufotang Formation of Chaoyang, Liaoning, China. It was first described and named by Wang Xiaolin and Zhou Zhonghe. Historically, there were multiple species attributed to the genus although only one is considered to be valid. Sinopterus is known for its proportionally large skull, which has a bird-like pointed beak lacking teeth, and a long bony crest that starts with a tall premaxilla and goes back along the middle of the skull to form a point overhanging the rear of the skull. Direct dietary evidence based on gut contents suggest that Sinopterus is a herbivore.