Prehistoric creature, which roamed Arctic some 70 million years ago, during late Cretaceous period, was about half the size of fearsome first cousin farther to south
New Fossil Suggests T. Rex Got Smart Before It Got Big
This Dinosaur Found in Chile Had a Battle Ax for a Tail - The New York Times
A New View of T. Rex Smithsonian National Museum of Natural History
Fossil baby teeth reveal dinosaur diversity in the Arctic
Tiny T-Rex Discovered in the Arctic
Tyrannosauridae - Wikipedia
Nanuqsaurus - Wikipedia
Fossils Discovered in Northern Alaska Suggest Tiny Dinosaurs Lived in Arctic Year-round - News18
Miniature T. rex was King of the Arctic
Fossil find adds to evidence of dinosaurs living in Arctic year-round - The Jerusalem Post
Paleontologists Dinosaurs Near North Pole