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First Report On Dinosaur Tracks From The Burro Can Yon Formation, San Juan County, Utah, Usa – Evidence Of A Diverse, Hitherto Un Known Lower Cretaceous Dinosaur Fauna, Jesper Milan, Luis M. Chiappe, David B. Loope, James I. Kirkland, Martin G. Lockley
First Report On Dinosaur Tracks From The Burro Can Yon Formation, San Juan County, Utah, Usa – Evidence Of A Diverse, Hitherto Un Known Lower Cretaceous Dinosaur Fauna, Jesper Milan, Luis M. Chiappe, David B. Loope, James I. Kirkland, Martin G. Lockley
Department of Earth and Atmospheric Sciences: Faculty Publications
The newly discovered White Mesa tracksite in the Burro Canyon Formation represents a snap shot of a diverse, Lower Cretaceous dinosaur fauna from south-eastern Utah. The tracks were found at a construction site where the sand stone had been bull dozed and broken up. All tracks were found as deep, well-preserved natural casts on the under side of the sand stone slabs. Individual theropod tracks are 19–57 cm in length; one peculiar track shows evidence of a possible pathological swelling in the middle of digit III and an apparently didactyl track is tentatively as signed to a dromaeosaurid. Individual sauropod …