Tyrannosauroidea

Siats

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Introduction Siats, whose name is in reference to a monster from native Ute folklore, was a large meat-eating dinosaur which lived in Utah during the middle Cretaceous Period 98 million years ago. As far as we know, Siats was the… Read More ›

Megaraptor

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Megaraptor was a 25 foot long carnivorous dinosaur which lived in Argentina during the late Cretaceous Period 90 million years ago. The fossils of this animal were discovered by the Argentinian paleontologist Fernando Novas in northwestern Patagonia, Argentina in 1996…. Read More ›

Alectrosaurus

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Alectrosaurus was a small tyrannosauroidean theropod dinosaur which lived in Mongolia during the middle of the Cretaceous Period around 95 million years ago. It is known from partial remains belonging to several individuals, but their incompleteness makes it difficult to… Read More ›