A gigantic feathered dinosaur from the Lower Cretaceous of China

  title={A gigantic feathered dinosaur from the Lower Cretaceous of China},
  author={Xing Xu and Kebai Wang and Ke Zhang and Qingyu Ma and Lida Xing and Corwin Sullivan and Dongyu Hu and S Cheng and Shuo Wang},
Numerous feathered dinosaur specimens have recently been recovered from the Middle–Upper Jurassic and Lower Cretaceous deposits of northeastern China, but most of them represent small animals. Here we report the discovery of a gigantic new basal tyrannosauroid, Yutyrannus huali gen. et sp. nov., based on three nearly complete skeletons representing two distinct ontogenetic stages from the Lower Cretaceous Yixian Formation of Liaoning Province, China. Y. huali shares some features, particularly… 
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A Tyrannosauroid from the Lower Cenomanian of New Jersey and Its Evolutionary and Biogeographic Implications
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  • Geography, Environmental Science
    Bulletin of the Peabody Museum of Natural History
  • 2018
The metatarsal of an indeterminate tyrannosauroid from the Cenomanian Potomac Formation of New Jersey differs from other, mostly small and gracile, known tyrannosaur genera of the mid-Cretaceous, suggesting that the evolution of large size among Tyrannosauroids was a complex process.
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Feathered non-avian dinosaurs have not yet been described from the Crato Member, even though there are suggestions of their presence in nearby basins, and it is revealed that, despite the small sample size, they can be referred to coelurosaurian theropods.
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Comparison of histology in the new taxon and Sinornithosaurus indicates that macroscopic signs of maturity developed after the first year, but before cessation of growth, demonstrating that nonhistological indicators of adulthood may be misleading when applied to dromaeosaurids.
Feather Evolution in Pennaraptora
The origin and early evolution of complex feathers and flight abilities in paravian theropods were not linear processes, but more complex than previously thought.


A basal tyrannosauroid dinosaur from the Late Jurassic of China
The tyrannosauroid fossil record is mainly restricted to Cretaceous sediments of Laurasia, although some very fragmentary Jurassic specimens have been referred to this group. Here we report a new
Basal tyrannosauroids from China and evidence for protofeathers in tyrannosauroids
A new basal tyrannosauroid from the Early Cretaceous Yixian Formation of western Liaoning, China, which is small and gracile and has relatively long arms with three-fingered hands and provides the first direct fossil evidence that Tyrannosauroids had protofeathers.
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The gigantic Gigantoraptor shows many bird-like features absent in its smaller oviraptorosaurian relatives, unlike the evolutionary trend seen in many other coelurosaurian subgroups.
First large tyrannosauroid theropod from the Early Cretaceous Jehol Biota in northeastern China
An incomplete theropod skeleton including partial skull, mandibles, ilia was collected from the Early Cretaceous Jiufotang Formation of Kazuo County, western Liaoning Province. It can be estimated
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The fossil record of tyrannosauroid theropods is marked by a substantial temporal and morphological gap between small-bodied, Barremian taxa, and extremely large-bodied taxa from the latest
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  • 2003
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New Information on Stokesosaurus, A Tyrannosauroid (Dinosauria: Theropoda) from North America and the United Kingdom
  • R. Benson
  • Geography, Environmental Science
  • 2008
Abstract A partial postcranial skeleton from the Late Jurassic (Tithonian) of Dorset, England represents a new species of the theropod dinosaur Stokesosaurus, Stokesosaurus langhami. S. langhami is a
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An almost complete and exquisitely preserved skeleton of a medium-sized theropod from the Lower Cretaceous series (Barremian stage) Konservat-Lagerstätte of Las Hoyas in Cuenca, Spain is described and it is proposed that Concavenator has integumentary follicular structures inserted on the ulna, as in modern birds.