The ratio of brain size to body size (relative brain size) is often used as a measure of relative investment in the brain in ecological and evolutionary studies on a wide range of animal groups. In birds, a variety of ...

Psittaciformes are a very diverse group of non-passerine birds, with advanced cognitive abilities and highly developed locomotor and feeding behaviours. Using computed tomography and three-dimensional (3D) visualization ...

Objectives: Platyrrhines constitute a diverse clade, with the modern Atelidae exhibiting the most variation in cranial and endocast morphology. The processes responsible for this diversification are not well understood. ...

Traversodontidae is a group of Triassic herbivorous/omnivorous cynodonts that represents the most diversified lineage within Cynognathia. In southern Brazil, a rich fossil record of late Middle/mid-Late Triassic cynodonts ...

In humans, the frontal sinus (FS) is located in the medial part of the supraorbital region, sometimes expanded throughout the frontal squama. It exhibits high morphological variability, but its general form appears to be ...

Diversos estudios proponen que el neurocráneo en Homo sapiens es una estructura integrada y que la mor-fología de la bóveda y la base se asocia con modificaciones del cerebro. En este estudio se evaluó la covariación ...

This thesis provides information of new traversodontid cynodont taxon, Siriusgnathus niemeyerorum, which is closely related to Exaeretodon, although the new taxonomic unit shows a unique combination of features not present ...