Tyrannosaurus rex

Tyrannosaurus rex, whose name means tyrant lizard king lived around 67 to 65 million years ago during the Upper Cretaceous period. Fossils have been found in North America. Illustration by Neave Parker. Tyrannosaurus rex, whose name means tyrant lizard king lived around 67 to 65 million years ago during the Upper Cretaceous period. Fossils have been found in North America. Illustration by Neave Parker

1910 1961 1910-1961 Archosaur Archosauria Archosauriformes Archosauromorpha Carnivorous Coelurosaur Coelurosauria Diapsid Diapsida Dinosauria Dinosauromorpha Lacertilia Lepidosaur Lepidosauria Lizard Maniraptoriformes Neave Osborn Passeriformes Passerine Phanerozoic Reptiles Reptilia Saurischian Scaled Squamata Terrible Tetanurae Theropoda Tyrannidae Tyrannosaur Tyrannosaurid Tyrannosauridae Tyrannosaurinae Tyrannosauroidea Tyrannosaurus Tyrant U.s.a

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