"Theropod" means "beast-footed" and they are some of the fearsome and most recognizable dinosaurs - including Allosaurus and T.
Theropods walked on two legs and were carnivorous. Saurischians are divided into two groups – four legged herbivores called sauropods and two-legged carnivores called theropods (living birds are theropods). They are often long-necked, have large and sharp teeth, long second fingers, and a first finger that points strongly away from the rest of the fingers. These "reptile-hipped" dinosaurs have a pelvis that points forward, similar to more primitive animals. Most of the well-known dinosaurs - including Tyrannosaurus rex, Deinonychus and Velociraptor - fall into the order known as Saurischian dinosaurs (pronounced sor-ISK-ee-en).
Greek deinos, meaning "terrible" or "fearfully great," and sauros, meaning "lizard" or reptile." Scientists classify dinosaurs into two orders - Saurischians and Ornithischians - based on the structure of the bones in their hips.
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