Definitions for "Theropoda"
An order of carnivorous dinosaurs in which the feet are less birdlike, and hence more like those of an ordinary quadruped, than in the Ornithopoda. It includes the rapacious genera Megalosaurus, Creosaurus, and their allies.
Infraorder of the saurischian order.
Clade of saurischian dinosaurs, has minimum of following traits: lachrymal bone prominently exposed on dorsal surface of skull, minimum of five sacral vertebrae, manus with claws (unguals) and reduction or loss of digits IV and V, slightly curved femur, which is also more than twice as long as the humerus, pes with digits II through IV, digit I separate from pes, pes length greater than width, bilaterally symmetrical from digit III, and a well-defined processes on cervical and caudal vertebrae. Generally known as “carnivorous dinosaurs” but probably with some exceptions.