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  1. By: Pei, Rui - Barta, Daniel E. - Bever, Gabe S. - Norell, Mark A. - Pittman, Michael, - Xu, Xing,
    Publication info: New York, NY American Museum of Natural History [2017]
    Holding Institution: American Museum of Natural History Library
    Subjects: Almas ukhaa  Cretaceous  Dinosaurs  Mongolia  Omnogov Aimag  Paleontology  Reptiles, Fossil  Skull  Troodontidae  Ukhaa Tolgod