The Lower Cretaceous Cedar Mountain Formation of Eastern Utah: A Comparison with the Coeval Burro Canyon Formation, Including New Measured Sections on the Uncompahgre Uplift
نویسنده
چکیده
The Lower Cretaceous Cedar Mountain Formation of Eastern Utah: a Comparison with the Coeval Burro Canyon Formation, Including New Measured Sections on the Uncompahgre Uplift
منابع مشابه
Martharaptor greenriverensis, a New Theropod Dinosaur from the Lower Cretaceous of Utah
BACKGROUND The Yellow Cat Member of the Cedar Mountain Formation (Early Cretaceous, Barremian?) of Utah has yielded a rich dinosaur fauna, including the basal therizinosauroid theropod Falcarius utahensis at its base. Recent excavation uncovered a new possible therizinosauroid taxon from a higher stratigraphic level in the Cedar Mountain Formation than F. utahensis. METHODOLOGY/PRINCIPAL FIND...
متن کاملA New Troodontid Theropod Dinosaur from the Lower Cretaceous of Utah
BACKGROUND The theropod dinosaur family Troodontidae is known from the Upper Jurassic, Lower Cretaceous, and Upper Cretaceous of Asia and from the Upper Jurassic and Upper Cretaceous of North America. Before now no undisputed troodontids from North America have been reported from the Early Cretaceous. METHODOLOGY/PRINCIPAL FINDINGS Herein we describe a theropod maxilla from the Lower Cretaceo...
متن کاملNew Basal Iguanodonts from the Cedar Mountain Formation of Utah and the Evolution of Thumb-Spiked Dinosaurs
BACKGROUND Basal iguanodontian dinosaurs were extremely successful animals, found in great abundance and diversity almost worldwide during the Early Cretaceous. In contrast to Europe and Asia, the North American record of Early Cretaceous basal iguanodonts has until recently been limited largely to skulls and skeletons of Tenontosaurus tilletti. METHODOLOGY/PRINCIPAL FINDINGS Herein we descri...
متن کاملDepositional History and Sequence Stratigraphy of the Tirgan Formation (Barremian – Aptian) in the Zavin section, NE Iran
The Tirgan Formation (Barremian – Aptian) is exposed in the Kopet Dagh in northeast Iran. One stratigraphic section in Zavin was measured with a thickness of 110 meters. This Formation in section consists of three parts (including lower carbonate, limy shale – marl and upper carbonate rocks). Based on the study of 94 thin sections, 10 carbonate and 2 siliciclastic lithofacies have been identifi...
متن کاملOsteology of the Basal Hadrosauroid Eolambia caroljonesa (Dinosauria: Ornithopoda) from the Cedar Mountain Formation of Utah
BACKGROUND Eolambia caroljonesa is known from copious remains from the lower Cenomanian Mussentuchit Member of the Cedar Mountain Formation in eastern Utah; however, the taxon has been only briefly described. Thus, we present herein a complete osteological description of Eolambia. METHODOLOGY/PRINCIPAL FINDINGS The description of Eolambia presented here is based upon the holotype partial skel...
متن کامل