Buscar
Mostrando ítems 1-10 de 111
Caracterización de una relación alométrica en Theropoda (dinosauria) con énfasis en su extensión e implicaciones evolutivas
(Universidad de Chile, 2018-05)
El origen del vuelo en Aves está marcado tanto por disminuciones significativas en tamaño corporal como por el aumento en tamaño relativo de las extremidades anteriores. No obstante, previo al origen del vuelo, la evolución ...
First record of Megaraptora (Theropoda, Neovenatoridae) from Brazil
(Elsevier Masson, 2012-04-04)
An isolated caudal vertebral centrum of a theropod dinosaur was discovered in the Bauru Basin (Late Cretaceous) of Brazil, in the Maastrichtian São José do Rio Preto Formation. The vertebral centrum has pneumatic features ...
Tail anatomy of Buitreraptor gonzalezorum (Theropoda, Unenlagiidae) and comparisons with other basal paravians
(Academic Press Ltd - Elsevier Science Ltd, 2017-09)
Tail anatomy of unenlagiid theropods remains poorly known. The most complete and informative taxon of this family is Buitreraptor gonzalezorum from the Upper Cretaceous of Rio Negro province, Argentina. The aim of the ...
Osteology and phylogenetic relationships of Tyrannotitan chubutensis Novas, de Valais, VickersRich and Rich, 2005 (Theropoda: Carcharodontosauridae) from the Lower Cretaceous of Patagonia, Argentina
(Taylor & Francis, 2013)
The theropod clade Carcharodontosauridae is a broadly distributed group of large allosauroid theropods. The carcharodontosaurids recorded in the Albian – Cenomanian of Gondwana are the youngest and most derived members of ...
Descrição, identificação e análise das macro e microestruturas presentes em dentes de Theropoda e Crocodyliformes da Bacia Bauru
(Universidade Federal de UberlândiaBrasilCiências Biológicas, 2019)
Histology and pneumaticity of Aoniraptor libertatem (Dinosauria, Theropoda), an enigmatic mid-sized megaraptoran from Patagonia
(Wiley Blackwell Publishing, Inc, 2020-10)
Aoniraptor libertatem is a mid-sized megaraptoran that comes from the Late Cretaceous (Turonian) Huincul Formation at Río Negro province, Patagonia, Argentina. In this study, we conducted a detailed analysis of pneumaticity ...
Guía para el estudio de la neuroanatomía de dinosaurios Saurischia, con énfasis en Theropoda basalesGuide to the study of saurischian dinosaurs neuroanatomy, with emphasis on south american forms
(Asociación Paleontológica Argentina, 2015-12)
La neuroanatomía de los dinosaurios en general es poco conocida. El neurocráneo es una estructura compleja, cuyo estudio se ha incrementado en los últimos años debido en parte, al uso de tomografías computadas. Más aun, ...
A new abelisauroid (Dinosauria: Theropoda) from the Huincul Formation (lower Upper Cretaceous, Neuquén Basin) of Patagonia, Argentina
(Academic Press Ltd - Elsevier Science Ltd, 2020-06)
A new ceratosaurian theropod dinosaur, Huinculsaurus montesi gen. et sp. nov., is described here. This taxon is based on the last three dorsal vertebrae and the first and second sacral vertebrae found in association at ...
New brachyrostran remains (Theropoda, Abelisauridae) from La Invernada fossil site (Bajo de la Carpa Formation, Upper Cretaceous), northern Patagonia, Argentina
(Academic Press Ltd - Elsevier Science Ltd, 2018-03)
Several remains of an abelisaurid theropod including a nearly complete sacral complex articulated with both ilia, the distal boot of the pubes, the furcula, teeth, and fragments of transverse processes of caudal vertebrae ...
The scaly skin of the abelisaurid Carnotaurus sastrei (Theropoda: Ceratosauria) from the Upper Cretaceous of Patagonia
(Academic Press Ltd - Elsevier Science Ltd, 2021-12)
The integument of the theropod dinosaur Carnotaurus sastrei from the Upper Cretaceous of Argentina is here described in detail for the first time. The scaly skin of this abelisaurid is the most completely preserved of any ...