A partial thigh bone found in southern Brazil belongs to a previously unknown species of theropod dinosaur. A partial left femur of Erythrovenator jacuiensis. Image credit: Müller et al., doi: 10.1016/j.jsames.2020.103026. The new dinosaur was an agile predator that lived between 233 and 225 million years ago (the Carnian to the early Norian stage of the Triassic period). Dubbed Erythrovenator jacuiensis, the ancient creature was about 2 m long (6.6...