Ornithomimidae (Dinosauria: Theropoda) from the Bissekty Formation (Upper Cretaceous: Turonian) of Uzbekistan

作者: Hans-Dieter Sues , Alexander Averianov

DOI: 10.1016/J.CRETRES.2015.07.012

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摘要: Abstract The stratigraphically oldest remains of ornithomimid theropod dinosaurs are known from the Cenomanian Khodzhakul Formation and Turonian Bissekty Uzbekistan. is documented by more than 800 isolated bones that represent much skeleton. It shows at least three unambiguous synapomorphies Ornithomimidae: length anterior cervical centra to five times greater transverse width; low rounded fibular crest tibia; metatarsal III pinched between metatarsals II IV; proximal end not visible in view. Phylogenetic analysis, based on a dataset with 568 morphological characters including all ornithomimosaurian taxa, places near base radiation, Archaeornithomimus asiaticus Sinornithomimus dongi .

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