Tanycolagreus
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Tanycolagreus is a genus of coelurosaurian theropod dinosaur from the Late Jurassic of the U.S. states of Wyoming, Utah, and Colorado.
Restored skull cast
Restored skeleton
Zuolong salleei
Proceratosauridae
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Proceratosauridae is a family or clade of tyrannosauroid theropod dinosaurs from the Middle Jurassic to the Early Cretaceous.
Proceratosaurus holotype skull
Guanlong Baoding
The skull of Proceratosaurus