Science ❯ Paleontology ❯ Dinosaurs
Nanotyrannus Evolution Nanotyrannus lancensis Growth Rates Tyrannosaurus mcraeensis North America Fossils Tyrannosaurus mcraensis Paleoart Juvenile T. rex
A May 2026 peer‑reviewed analysis finds a repeated evolutionary shift that concentrated anatomical investment in skull strength rather than forelimb size.