Results 21 to 30 of about 98 (78)
, 2014 Archaeopteryx, which has often been considered the earliest avialan, is an iconic species, central to our understanding of bird origins. However, a recent parsimony-based phylogenetic study shifted its position from within Avialae, the group that ...
Xing Xu, D. Pol
semanticscholar +1 more source
Functional morphology of the oviraptorosaurian and scansoriopterygid skull
, 2020 Oviraptorosauria and Scansoriopterygidae are theropod clades that include members suggested to have partially or fully herbivorous diets. Obligate herbivory and carnivory are two ends of the spectrum of dietary habits along which it is unclear how diet ...
Waisum Ma +4 more
semanticscholar +1 more source
, 2014 Non avian theropod remains are scarce in Brazil and few specimens were referred to Maniraptora. Remains of a non-avian theropod dinosaur (DGM 930-R) from Vale do Rio do Peixe Formation, Bauru Group, found near the Santo Anastacio municipality, Sao Paulo ...
Rafael Delcourt, O. Grillo
semanticscholar +1 more source
, 2004 A reviewed anatomy and phylogenetic relationships of the Late Cretaceous theropod Unquillosaurus ceibali is presented. This taxon is represented by an isolated pubis from Los Blanquitos Formation (Maastrichtian), from the province of Salta, NW Argentina.
F. Novas, F. Agnolín
semanticscholar +1 more source
Linking the evolution of body shape and locomotor biomechanics in bird-line archosaurs
Nature, 2013 Locomotion in living birds (Neornithes) has two remarkable features: feather-assisted flight, and the use of unusually crouched hindlimbs for bipedal support and movement.
V. Allen +3 more
semanticscholar +1 more source
A Review of Dromaeosaurid Systematics and Paravian Phylogeny
, 2012 Coelurosauria is the most diverse clade of theropod dinosaurs. Much of this diversity is present in Paraves—the clade of dinosaurs containing dromaeosaurids, troodontids, and avialans.
A. Turner, P. Makovicky, M. Norell
semanticscholar +1 more source
Cretaceous research (Print), 2019 A description with phylogenetic analyses is provided for Imperobator antarcticus, gen. et sp. nov., an early Maastrichtian, basal paravian (Theropoda; Maniraptora) from the Naze Peninsula, James Ross Island, Antarctica. In 2003, researchers uncovered the
Ricardo C. Ely, J. Case
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The phylogenetic affinities and morphological peculiarities of the bird-like dinosaur Borogovia gracilicrus from the Upper Cretaceous of Mongolia. [PDF]
PeerJ, 2021 Cau A, Madzia D.
europepmc +1 more source
Paraves es el clado de dinosaurios que cuenta con mayor número de especies, ya que por un lado agrupa a terópodos no-avianos extintos como Troodon y Velociraptor, y por otro lado a las aves, únicos dinosaurios vivientes (Avialae: Dinosauria, Gauthier ...
M. Motta
semanticscholar +1 more source
Revisión de los Deinonychosauria (Dinosauria, Theropoda) de la Argentina : anatomía y filogenia
, 2014 Deinonychosauria es un grupo de dinosaurios terópodos celurosaurios, con un dígito pedal II concapacidad de hiperextensión, entre otros rasgos. Los registros son mayormente del hemisferionorte, aunque también existen registros del hemisferio sur. Del Cretácico de Argentina proceden Buitreraptor gonzalezorum, Unenlagia comahuensis, Unenlagia paynemili ...
openaire +2 more sources