'Dragon prince' dinosaur discovery 'rewrites' T.rex family tree
New species of dinosaur discovered that 'rewrites' T.rex family tree 12 June 2025 Share Save Victoria Gill Science correspondent, BBC News Share Save Masato Hattori An artist's impression of Khankhuuluu mongoliensis, the newly discovered tyrannosaur ancestor Scientists have discovered a new species of dinosaur - in the collection of a Mongolian museum - that they say "rewrites" the evolutionary history of tyrannosaurs. Researchers concluded that two 86 million-year-old skeletons they studied