What may look like a tyrannosaurus rex is in fact a Carnotaurus, meaning “meat-eating bull” referring to its distinct bull-like horns. This large predatory dinosaur was used in the Walt Disney computer animated movie Dinosaur.
Carnotaurus sastrei lived in Patagonia, Argentina during the late stage of the Cretaceous period. It was discovered by Jose Bonaparte, an Argentine paleontologist in 1985. The remains were uncovered in sediments of the La Colonia Formation. There was an almost complete skeleton found the only parts missing were the distal end of the tail and the end part of the lower limbers. It was found with extensive skin impressions which is rare and unusual. This particular skeleton is 75 million years old, the holotype is in the Argentine Museum of Natural Sciences’ Bernardino Rivadavia, where you can see the replica.
A few features that make the Carnotaurus unique are the two thick horns above the eyes and the extremely small forelimbs with four semi digits, only the middle two ended in finger bones. The forelimbs seem to have had no real use because they were mostly immobile and lacked claws. It had a long neck and box-shaped jaws. Ext ordinarily the eyes of the Carnotaurus faced forward, very unusual in a dinosaur, and may indicate binocular vision and depth perception. The Carnotaurus was a large theropod and more advanced theropods had feathers but the Carnosaurus had skin lined with rows of bumps, which grew larger toward the spine. The jaw design indicates that it was capable of fast-moving bites but not strong ones and possible hatchet-like attacks with its head. Some of the sutures in the skull and lower jaw may indicate a high degree of cranial kinesis, possibly more than any other dinosaur. Studies from the tail suggest that it could have been the fastest non-aviation dinosaur ever maxing out at a little over 31 mph!A fabulous and fascinating creature.