Spinosaurus dinosaur was 'semi-aquatic animal'

Fossils reveal terrifying cross between Tyrannosaurus rex, crocodile and a whale which could walk as well as swim

A terrifying cross between Tyrannosaurus rex, a crocodile and a whale was the largest predator ever to walk the Earth - or swim in its rivers.

Spinosaurus is the first dinosaur known to have been adapted to an aquatic lifestyle.

Weighing 20 tonnes and measuring almost 50 feet, it was nine feet longer than the largest T. rex specimen known.

It also had jaws filled with vicious slanted teeth and a snout like that of a massive crocodile, while its short muscular hind legs were equipped for paddling and resembled those seen in early limbed whales.

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