Beipiaosaurus inexpectus

by RobertFabiani

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therizinosaur feathered dinosaur beipiaosaurus prehistoric dinosaur paleontology early cretaceous feather evolution theropod yixian formation liaoning fossils prehistoric wildlife mesozoic life extinct animals dinosaur reconstruction paleoart fossil discovery prehistoric ecosystem

Beipiaosaurus inexpectus was a primitive therizinosaur from the Early Cretaceous (~125 million years ago) discovered in the Yixian Formation of Liaoning, China. It represents an early evolutionary stage of the therizinosaur lineage, a group of unusual theropod dinosaurs that shifted from carnivory toward herbivory. Beipiaosaurus had a relatively small head with leaf-shaped teeth suited for eating plants, a long neck, and elongated forelimbs tipped with large curved claws likely used to pull vege