ceratosaur,
ceratosaurus primitive medium-sized theropod; swift-running bipedal carnivorous dinosaur having grasping hands with sharp claws and a short horn between the nostrils; Jurassic in North America
carnosaur large carnivorous bipedal dinosaur having huge claws
tyrannosaur,
tyrannosaurus,
tyrannosaurus rex large carnivorous bipedal dinosaur having enormous teeth with knifelike serrations; may have been a scavenger rather than an active predator; later Cretaceous period in North America
allosaur,
allosaurus late Jurassic carnivorous dinosaur; similar to but somewhat smaller than tyrannosaurus
compsognathus very small bipedal carnivorous dinosaur of the late Jurassic in Bavaria
