Unenlagia comahuensis was originally described as a phylogenetic link between nonavian dinosaurs and birds. Later it was interpreted by some authors as belonging to the deinonychosaurian clade Dromaeosauridae, and more ...

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 ...

In this study, we describe a small theropod dorsal vertebra from the Late Cretaceous Bauru Group (Brazil). The specimen is referred to the maniraptoran clade Unenlagiidae based on the following combination of characters: ...

Although consensus exists among authors that birds evolved from coelurosaurian theropods, paleontologists still debate the identification of the group of coelurosaurians that most closely approaches the common ancestor of ...

Os dinossauros, assim como outros seres extintos, despertam a curiosidade do ser humano desde que foram conhecidos. Imaginar como estes seres viviam pode ser uma tarefa difícil, uma vez que não podemos vê-los em seu habitat ...

Neuquén, en los últimos 15 años, ha adquirido gran significado a nivel paleontológico debido a sus numerosos e importantes hallazgos y sitios fósiles; por esta razón, hoy se la conoce como «Tierra de Dinosaurios». No es ...