Temporal range: Lower Jurassic
Ivie, Slipinski and Wegrzynowicz, 2001
M. rhodesiensis (type)
Syntarsus Raath, 1969
Megapnosaurus was a small dinosaur from the early Jurassic. It was a relative of Coelophysis but it had two crests on top of its head. It is shown in the movie When Dinosaurs Roamed America attacking an Anchisaurus and getting scared off by a Dilophosaurus. It was called Syntarsus at that time.