Results 11 to 20 of about 239 (114)
New Dromaeosaurid Dinosaur (Theropoda, Dromaeosauridae) from New Mexico and Biodiversity of Dromaeosaurids at the end of the Cretaceous. [PDF]
Sci Rep, 2020 AbstractDromaeosaurids (Theropoda: Dromaeosauridae), a group of dynamic, swift predators, have a sparse fossil record, particularly at the time of their extinction near the Cretaceous-Paleogene boundary. Here we report on a new dromaeosaurid, Dineobellator notohesperus, gen. and sp.
Jasinski SE, Sullivan RM, Dodson P.
europepmc +5 more sources
The predatory ecology of Deinonychus and the origin of flapping in birds. [PDF]
PLoS ONE, 2011 Most non-avian theropod dinosaurs are characterized by fearsome serrated teeth and sharp recurved claws. Interpretation of theropod predatory ecology is typically based on functional morphological analysis of these and other physical features.
Denver W Fowler +3 more
doaj +2 more sources
The first giant raptor (Theropoda: Dromaeosauridae) from the Hell Creek Formation [PDF]
Paleontological Contributions, 2015 ABSTRACT Most dromaeosaurids were small- to medium-sized cursorial, scansorial, and arboreal, sometimes volant predators, but a comparatively small percentage grew to gigantic proportions. Only two such giant “raptors” have been described from North America. Here, we describe a new giant dromaeosaurid, Dakotaraptor steini gen. et sp.
Robert A. DePalma +4 more
+7 more sources
Skull morphology and histology indicate the presence of an unexpected buccal soft tissue structure in dinosaurs. [PDF]
J AnatA combined approach of osteology and histology was used to examine the cheek regions of dinosaurs. Strong evidence was found for a soft tissue in this region connecting the zygoma to the mandible, here named the ‘exoparia’. Abstract Unlike mammals, reptiles typically lack large muscles and ligaments that connect the zygoma to the mandible.
Sharpe HS +7 more
europepmc +2 more sources
New Specimens of Microraptor zhaoianus (Theropoda: Dromaeosauridae) from Northeastern China
American Museum Novitates, 2002 Abstract New specimens of the diminutive theropod dinosaur Microraptor zhaoianus are described. These specimens preserve significant morphological details that are not present or are poorly preserved in the holotype specimen, including aspects of the manus, pectoral girdle, dorsal vertebrae, ilium, and sacrum.
Sunny H. Hwang +3 more
openalex +5 more sources
Anatomy ofMahakala omnogovae(Theropoda: Dromaeosauridae), Tögrögiin Shiree, Mongolia [PDF]
American Museum Novitates, 2011 ABSTRACT The dromaeosaurid Mahakala omnogovae is known from a unique specimen from the Late Cretaceous deposits of the Djadokhta Formation at Togrogiin Shiree, Omnogov Aimag, Mongolia. The holotype specimen is comprised of a well-preserved but partial skull and a nearly complete postcranial skeleton.
Alan H. Turner +2 more
openalex +4 more sources
Corrigendum to: The first giant raptor (Theropoda: Dromaeosauridae) from the Hell Creek Formation [PDF]
Paleontological Contributions, 2016 Robert A. DePalma +4 more
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Доклады Академии наук, 2019 Dromaeosaurid ungual from the Blagoveschensk locality studied for the first time. Dromaeosaurid presence amongst other taxa points on high biodiversity in Amur region, on the eve of K-T event.
Ivan Bolotsky +2 more
openalex +3 more sources
A microraptorine (Dinosauria–Dromaeosauridae) from the Late Cretaceous of North America [PDF]
Proceedings of the National Academy of Sciences, 2009 The fossil assemblages of the Late Cretaceous of North America are dominated by large-bodied dinosaur species. Associated skeletons of small dinosaurs are exceedingly rare, and small (<10 kg) carnivorous theropods have not previously been reported from these beds.
Nicholas R. Longrich, Philip J. Currie
openalex +4 more sources
Journal of Vertebrate Paleontology, 2017 ABSTRACTBuitreraptor gonzalezorum is a paravian theropod from the Late Cretaceous of Patagonia that has been recovered as an unenlagiine dromaeosaurid in several phylogenies. It was preliminarily described in a brief article, but a detailed osteology has not been published to date. Here we provide a thorough osteological description of the skull of the
Federico A. Gianechini +2 more
+4 more sources