A bizarre Cretaceous theropod dinosaur from Patagonia and the evolution of Gondwanan dromaeosaurids. [PDF]
Fossils of a predatory dinosaur provide novel information about the evolution of unenlagiines, a poorly known group of dromaeosaurid theropods from Gondwana.
Novas FE +4 more
europepmc +3 more sources
New Dromaeosaurids (Dinosauria: Theropoda) from the lower cretaceous of Utah, and the evolution of the Dromaeosaurid tail. [PDF]
Background: The 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 ...
Senter P +4 more
europepmc +6 more sources
New information on Bonapartenykus (Alvarezsauridae: Theropoda) from the Allen Formation (middle Campanian-lower Maastrichtian) of Río Negro Province, Patagonia, Argentina clarifies the Patagonykinae body plan. [PDF]
Alvarezsauria is a group of morphologically distinctive, medium- to small-sized later-diverging coelurosaurian theropod dinosaurs, whose record ranges from the Late Jurassic to the Late Cretaceous.
Meso JG +7 more
europepmc +3 more sources
Independent origins for powered flight in paravian dinosaurs? [PDF]
Política de acceso abierto tomada de:https://www.elsevier.com/about/policies-and-standards/open-access-licenses/userFeathered dinosaurs discovered during the last decades have illuminated the transition from land to air in these animals, underscoring a ...
Chiappe, Luis M. +1 more
core +1 more source
The Bauru Basin in São Paulo and its tetrapods [PDF]
Funding Information: The authors thank the editors of Derbyana, especially its Editor-in-Chief Silvio T. Hiruma, for the invitation to participate in this volume dedicated to “Advances in Paleontology”.
Barcelos, Lucas A. +12 more
core +1 more source
Small theropod teeth from the Late Cretaceous of the San Juan Basin, northwestern New Mexico and their implications for understanding latest Cretaceous dinosaur evolution. [PDF]
Studying the evolution and biogeographic distribution of dinosaurs during the latest Cretaceous is critical for better understanding the end-Cretaceous extinction event that killed off all non-avian dinosaurs.
Williamson TE, Brusatte SL.
europepmc +5 more sources
Isolated theropod teeth associated with a sauropod skeleton from the Late Cretaceous Allen Formation of Río Negro, Patagonia, Argentina [PDF]
The discovery of theropod shed teeth associated with sauropod remains is relatively common in Cretaceous deposits of Patagonia. However, only a handful of studies have thoroughly explored the phylogenetic affinities of the theropod dental material. Here,
Baiano, Mattia Antonio +5 more
core +5 more sources
Osteology of the unenlagiid theropod Neuquenraptor argentinus from the Late Cretaceous of Patagonia [PDF]
Neuquenraptor argentinus was described as the first undoubted deinonychosaurian theropod from Gondwana. The only known specimen is represented by a fragmentary skeleton, including a nearly complete foot, coming from Late Cretaceous beds of Neuquén ...
Agnolin, Federico +3 more
core +2 more sources
A New Specimen of Autroraptor cabazai Novas, Pol. Canale, Porfiri and Calvo, 2008 (Dinosauria, Theropoda, Unenlagiidae) from the Latest Cretaceous (Maastrichtian) of Río Negro, Argentina [PDF]
There were considerable differences in Late Cretaceous faunas of the Northern and Southern Hemispheres, although the differences were breaking down during Campanian and Maastrichtian times with the appearance of hadrosaurids in Antarctica and South ...
Currie, Philip J. +1 more
core +1 more source
Re-evaluation of the Haarlem Archaeopteryx and the radiation of maniraptoran theropod dinosaurs [PDF]
Archaeopteryx is an iconic fossil that has long been pivotal for our understanding of the origin of birds. Remains of this important taxon have only been found in the Late Jurassic lithographic limestones of Bavaria, Germany.
Foth, Christian, Rauhut, Oliver W. M.
core +2 more sources

