Fossils of Miniature T. Rex Found in Arctic

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

Small, prickly dinosaur discovered in South America reveals an unknown lineage

Sue is the largest T.Rex to be found so far, at 90% of the body complete : r/Naturewasmetal

Dinosaurs of the North Pole

Types of Tyrannosaur Dinosaurs and Origins of T. Rex

Nanuqsaurus - Wikipedia

Tiny fossils are first known baby dinosaurs

New dinosaur, cousin of T. Rex, discovered in Arctic

NOVA, Did Some Dinosaurs Breed in the Arctic?, Season 48, Episode 21

Nanuqsaurus hoglundi: New Tyrannosaur Discovered in Alaska, Paleontology