Xiyunykus (meaning "western claw"; "xiyu" is Mandarin for "west" and refers to Western China where it was found) is a genus of alvarezsauroid theropod from the Early Cretaceous-aged Tugulu Group of what is now China. Only one species has been described, Xiyunykus pengi.
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Xiyunykus (meaning "western claw"; "xiyu" is Mandarin for "west" and refers to Western China where it was found) is a genus of alvarezsauroid theropod from the Early Cretaceous-aged Tugulu Group of what is now China. Only one species has been described, Xiyunykus pengi.
==Paleoecology== Dinosaurs contemporaneous with Xiyunykus in the Tugulu Group of Xinjiang include the stegosaur Wuerhosaurus, the coeval alvarezsaur Tugulusaurus, the carcharodontosaurid Kelmayisaurus, the dubious maniraptoran Phaedrolosaurus, the problematic coelurosaur Xinjiangovenator, and the ceratopsian Psittacosaurus xinjiangensis.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).