Alectosaurus was a Primitive Tyrannosaurid from Late Cretaceous China and Mongolia, around 83 to 74 mya.  It was 16.4 ft (5m) long and weighed 1000 lbs.  It is only known from a partial skeleton, and is a primitive fast-running dinosaur.


Alectrosaurus Makes its first media appearance in the final episode of Planet Dinosaur.

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