The Wall Street Journal @WSJ

A newly identified fossil—mislabeled for decades—is providing insights into how T. rex and other tyrannosaurs diversified and spread across the globe https://t.co/eyUiQVhLXK

www.wsj.com

A Horse-Sized Dinosaur Paved the Way for T. Rex

A fossil that was mislabeled for decades is providing insights into how tyrannosaurs diversified and spread across the globe.