Aucasaurus was a medium-sized Argentinian theropod dinosaur of the Santonian stage. It was around 4 m (13 ft) long and 1 m (3 ft) high at the hip, weighing around 700 kg (1,500 lb); considerably smaller than the related Carnotaurus, although the arms were longer. It is the smallest known carnotaurine.

4.3m long

Carnivorous feeding on Sauropods eg. Antarctosaurus.

Argentina