Dinosaurs are big reptiles, that lived in prehistory. We know 600 species of dinosaurs, divide in 44 familys and now some dinosaurs descriptions.


Tyrannosaurus rex:

meaning of name:Lizard Tyrant

taxonomy: order saurischia, Intraorder theropode, Suborder coelurosauria,Family tyrannosauridas.

Length: approx 13 m or 43 ft

period of Existence:late cretaceous,Maastrichtian.

Excavation Site:north America.









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