One of last dinosaurs to have lived in Africa is discovered in Morocco

One of the last dinosaurs living in Africa before their extinction, 66 million years ago, has been discovered in a phosphate mine in Morocco.

The scientist who made the discovery has likened it to winning the lottery as the new species – Chenanisaurus barbaricus – is so rare.

The dinosaur is a smaller African contemporary of the North American T rex.

Last year, Dr Nick Longrich, from the University of Bath, studied a rare fragment of a jaw bone that was discovered in the mines at Sidi Chennane in the Oulad Abdoun Basin, Morocco.

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In collaboration with colleagues based in Morocco, France, and Spain, Dr Longrich identified it as belonging to an abelisaur.

Abelisaurs were two-legged predators like T rex and other tyrannosaurs, but with a shorter, blunter snout and even tinier arms.

While the tyrannosaurs dominated in North America and Asia, the abelisaurs were the top predators at the end of the Cretaceous period in Africa, South America, India and Europe.

“This find was unusual because it’s a dinosaur from marine rocks – it’s a bit like hunting for fossil whales and finding a fossil lion,” said Dr Longrich. “It’s an incredibly rare find – almost like winning the lottery. But the phosphate mines are so rich, it’s like buying a million lottery tickets, so we actually have a chance to find rare dinosaurs like this one.

“We have virtually no dinosaur fossils from this time period in Morocco – it may even be the first dinosaur named from the end-Cretaceous in Africa. It’s also one of the last dinosaurs in Africa before the mass extinction that wiped out the dinosaurs. It’s an exciting find because it shows just how different the fauna was in the southern hemisphere at this time.”

The newly-discovered dinosaur stood on two legs and had stumpy arms.

“Abelisaurs had very short arms. The upper arm bone is short, the lower arm is shorter and they have tiny little hands,” Dr Longrich added.

The teeth from the fossil were worn as if from biting into bone, suggesting that, like T rex, Chenanisaurus was a predator.

However, unlike the partially-feathered T rex, Chenanisaurus had only scales, its brain was smaller and its face was shorter and deeper.

– PA