Scientists for the first time have found embryonic remains from a group of ferocious meat-eating dinosaurs that includes the Tyrannosaurus rex.
- A roughly 77 million-year-old jawbone, about 3 centimetres in length, was unearthed in the US state of Montana
- A roughly 72 million-year-old wedge-shaped claw came from Canada’s Alberta province
- The bones indicated that these were bigger than any other known dinosaur babies
They found fossilised jaw and claw bones that show these record-size babies looked a lot like adults and were “born ready” to hunt.
The fossils, the researchers said, represented two species from the tyrannosaurs group, the apex predators in Asia and North America during the Cretaceous Period toward the end of the…