Postcranial skeletal anatomy of the holotype and referred specimens of Buitreraptor gonzalezorum Makovicky, Apesteguía and Agnolín 2005 (Theropoda, Dromaeosauridae), from the Late Cretaceous of Patagonia [PDF]
Here we provide a detailed description of the postcranial skeleton of the holotype and referred specimens of Buitreraptor gonzalezorum. This taxon was recovered as an unenlagiine dromaeosaurid in several recent phylogenetic studies and is the best ...
Federico A. Gianechini+3 more
doaj +11 more sources
New information on the Hind limb feathering, soft tissues and skeleton of Microraptor (Theropoda: Dromaeosauridae) [PDF]
Background Microraptor is known as the most significant example of extended feathering on the legs of a paravian, both fossil and modern. Its striking difference with most paravians contributes to the multiple theories on the function of its conspicuous ...
Matthieu Chotard+12 more
doaj +4 more sources
Morphological variations within the ontogeny of Deinonychus antirrhopus (Theropoda, Dromaeosauridae). [PDF]
This research resulted from the determination that MCZ 8791 is a specimen of Deinonychus antirrhopus between one and two years of age and that the morphological variations within particular growth stages of this taxon have yet to be described.
William L Parsons, Kristen M Parsons
doaj +5 more sources
New Dromaeosaurid Dinosaur (Theropoda, Dromaeosauridae) from New Mexico and Biodiversity of Dromaeosaurids at the end of the Cretaceous. [PDF]
Dromaeosaurids (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.
Jasinski SE, Sullivan RM, Dodson P.
europepmc +4 more sources
Unenlagiid theropods: are they members of the Dromaeosauridae (Theropoda, Maniraptora)? [PDF]
In the present paper we analyze the phylogenetic position of the derived Gondwanan theropod clade Unenlagiidae. Although this group has been frequently considered as deeply nested within Deinonychosauria and Dromaeosauridae, most of the features ...
Federico L. Agnolin, Fernando E. Novas
doaj +3 more sources
Morphological disparity and structural performance of the dromaeosaurid skull informs ecology and evolutionary history [PDF]
Non-avialan theropod dinosaurs had diverse ecologies and varied skull morphologies. Previous studies of theropod cranial morphology mostly focused on higher-level taxa or characteristics associated with herbivory.
Yuen Ting Tse+2 more
doaj +3 more sources
New Dromaeosaurids (Dinosauria: Theropoda) from the lower cretaceous of Utah, and the evolution of the Dromaeosaurid tail. [PDF]
BackgroundThe Yellow Cat Member of the Cedar Mountain Formation (Early Cretaceous, Barremian?--Aptian) of Utah has yielded a rich theropod fauna, including the coelurosaur Nedcolbertia justinhofmanni, the therizinosauroid Falcarius utahensis, the ...
Phil Senter+4 more
doaj +8 more sources
The predatory ecology of Deinonychus and the origin of flapping in birds. [PDF]
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 +6 more sources
Corrigendum to: The first giant raptor (Theropoda: Dromaeosauridae) from the Hell Creek Formation [PDF]
Robert A. DePalma+4 more
semanticscholar +4 more sources
The first juvenile dromaeosaurid (Dinosauria: Theropoda) from Arctic Alaska. [PDF]
Compared to the osteological record of herbivorous dinosaurs from the Late Cretaceous Prince Creek Formation of northern Alaska, there are relatively fewer remains of theropods.
Alfio Alessandro Chiarenza+5 more
doaj +2 more sources