A well-preserved fossil snake from the Late Cretaceous of Brazil shows early ecological and brain shape disparity in the group.

Reptiles are currently represented by turtles, archosaurs (crocodylians and birds), and lepidosaurs (lizards, snakes and the tuatara). However, these groups represent only a fraction of the known d...

Jenkins et al. present the largest morphological dataset for early reptile phylogeny, recovering turtles as sisters to archosaurs and rejecting Eunotosaurus as a stem turtle. Instead, Eunotosaurus is ...

The systematics and evolution of Cambrian euarthropods have undergone a major transformation in recent years owing to the continued discovery of new species from sites with exceptional preservation...

New results indicate that rhabdodontids and the previously described Ajkaceratops are actually distinctive European ceratopsians, a group better known from Asia and North America.

YouTube video by The Ancients

Abstract. Changes in the structure and relative size of the brain are thought to be key transformations in the evolution of birds, reflecting innovations a

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