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Tyrannosaurus rex

Nanotyrannus Evolution Juvenile Tyrannosaurus rex Adolescent fossil Fossilized remains Juvenile specimen Fossil Record Paleoart Juvenile vs. Adult Nanotyrannus lancensis Distinctive features Growth variation Growth Patterns Physical Characteristics Species Classification Debate Tyrannosaurus mcraeensis Fossil analysis Juvenile T. rex Tyrannosaur lineage Tyrannosaurus mcraensis Skull Jaw Teeth New subspecies of tyrannosaur Fossils Subspecies Ancestors North America Evolutionary chain Physical characteristics Origin Characteristics Diet Distribution Intelligence Fossil Research Species discovery Adolescent Tyrannosaurus rex

Study Confirms Asian Origins of T. rex Ancestors via Bering Land Bridge

New research integrates fossil records, evolutionary modeling, and climate data to trace the migration and growth of T. rex ancestors into North America 70 million years ago.

New Study Suggests T. Rex Could Have Been Much Larger Than Previously Thought

Three Young Fossil Hunters Discover Rare Teenage T. rex in North Dakota

New Species of Tyrannosaurus Discovered in New Mexico

Nanotyrannus Identified as Separate Species, Not Juvenile T. rex, in Controversial Study