Paleontology experts have discovered the fossilized remains of Tyrannosaurus rex ( T. rex ) dwarfs in northern Alaska . The prehistoric creatures , which live in the Arctic about 70 million years ago, during the Cretaceous period , the dreaded half-sized cousin .
Given the name Nanuqsaurus , or " lizard polar bears " in the language of the Inupiat of Alaska , this creature has an estimated length of six feet and weighing 450 pounds at adult age .
Experts say , the T rex mini is very similar to the nearby cousin , the giant Tyrannosaur , which doubled the size of Nanuqsaurus .
Part of the skull and the upper and lower molars of T. rex dwarf was discovered by the paleontologist of the Perot Museum in Dallas , Texas , in the southeastern United States . They found it while digging the remains of a small horned dinosaur skeleton other unidentified .
Anthony Fiorillo Nanuqsaurus found the bones in a quarry in the Prince Creek Formation, North Slope , Alaska , above the Arctic Circle .
This discovery is not too surprising for paleontologists because they had suspected there was a predator in the Arctic due to the presence of tooth marks on the bones of horned dinosaurs .
Tyrannosaurus dwarf discovery was published in the journal PLoS ONE .
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