US EditionNew species of dinosaur discovered that 'rewrites' T.rex family tree
- Paleontologists discovered a new dinosaur species, Khankhuuluu mongoliensis, in Mongolia that lived about 85 million years ago.
- The discovery followed reanalysis of partial skeletons found in the early 1970s, which were originally assigned to Alectrosaurus but later identified as a new tyrannosaur species.
- Khankhuuluu was a mid-sized, agile predator with a lightly built skull and long slender legs, representing a transitional form from smaller tyrannosauroid ancestors to giant apex tyrannosaurs like T. rex.
- Researchers noted this species weighed around 750 kilograms, stood about 2 meters tall at the hips, and lived 20 million years before T. rex, supporting evidence of tyrannosaur evolution driven by migration between Asia and North America.
- This finding sheds light on tyrannosaur evolution by filling a critical gap, showing tyrannosauroids were smaller early on and later became colossal apex predators before the mass extinction 66 million years ago.
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New series of dinosaur discovered that rewrites history of T-Rex
Researchers have identified a new dinosaur species within a Mongolian museum's existing collection, fundamentally altering scientific understanding of tyrannosaur evolution.The 86-million-year-old fossils represent the nearest known ancestor to all tyrannosaurs, the predatory group that includes Tyrannosaurus rex.Published in Nature, the finding sheds light on the transformation of these creatures from diminutive hunters into the fearsome predat…
·London, United Kingdom
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