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The biggest carnivore of its time,typical of a group of fast predators that evolved before the dinosaurs and devoloped their own unique upright own unique upright posture.

EVIDENCE: Several finds in the Petrified Forest in Arizona.

SIZE: Maximum length of 6 meteres (20 feet) with a powerfull skull over 50 centimeteres(20 inches) long. It could rear up to a height of up to 2 metres( 6 feet 6 inches )

DIET: active carnivore