Patagonia has yielded the most comprehensive fossil record of Cretaceous theropods from
Gondwana, consisting of 31 nominal species belonging to singleton taxa and six families …

El Grupo Neuquén conforma una sucesión de depósitos continentales de origen fluvial,
eólico y lacustre somero, desarrollado en la Cuenca Neuquina entre el Cenomaniano …

Despite dominating biodiversity in the Mesozoic, dinosaurs were not speciose. Oviparity
constrained even gigantic dinosaurs to less than 15 kg at birth; growth through multiple …

The fossil record of Jurassic theropod dinosaurs closely related to birds remains poor. A new
theropod from the earliest Late Jurassic of western China represents the earliest diverging …

We describe Tratayenia rosalesi gen. et sp. nov., a new megaraptoran theropod dinosaur
from the Upper Cretaceous of Patagonia, Argentina. The holotype consists of a well …

The Alvarezsauridae represents a branch of peculiar basal coelurosaurs with an increasing
representation of their Cretaceous radiation distributed worldwide. Here we describe a new …

We performed additional preparation on the holotype skeleton of Nqwebasaurus thwazi and
discovered new skeletal material. We describe this material, which includes a maxilla with …

A well preserved skeleton of a new abelisaurid is reported here. The holotype of Viavenator
exxoni was found in the outcrops of the Bajo de la Carpa Formation (Santonian, Upper …

A new alvarezsaur, Albertonykus borealis, is described from the Lower Maastrichtian of the
Horseshoe Canyon Formation, Alberta, Canada. Forelimb and hindlimb elements from at …

Abelisaurids are among the most abundant and diverse Patagonian Late Cretaceous
theropods. Here, we present a new furileusaurian abelisaurid, Llukalkan aliocranianus gen …