Fossils found in 1970s are most recent ancestor of tyrannosaurs, scientists say
Briefly

Scientists have discovered a new species called Khankhuuluu mongoliensis that serves as a linking ancestor between early tyrannosaur species and their later larger relatives. Found in Mongolia, these fossils were previously misclassified and show characteristics typical of tyrannosaurs, though the creature itself was smaller in size, approximately 4 meters long and weighing 750 kg. This discovery challenges previous assumptions about the evolution of tyrannosaurs and highlights the diversity of their ancestral lineage, demonstrating how some traits evolved over time while others did not.
You would have been the thing that it would hunt down, and it would have been faster than you. I would much rather run into an adult T rex than run into Khankhuuluu.
This new species, Khankhuuluu mongoliensis, fills a gap in the fossil record between the small, early ancestors of tyrannosaurs and the huge predators that evolved later.
Read at www.theguardian.com
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