A strange new species of dinosaur has been discovered in Spain with a hump on its back and a series of small bumps on its forearms. This carnivorous dinosaur has been named as Concavenator corcovatus. It was over 6 metres long, 1.8 metres high and weighed just over 4 tonnes. It lived during early Cretaceous times about 130 million years ago. The remains of Concavenator are almost complete and well preserved, and the bumps on the forearms could give information on the formation of feathers in birds.
Many modern birds have bumps where the wing feathers are attached to the bone. The bump on the back is unique among dinosaurs. Concavenator’s skin appears to be composed of both scale and non-scale appendages. Concavenator belongs to the Carcharondosaurid family of dinosaurs that until now have only been known from the southern hemisphere. This specimen was discovered near Cuenca in the west of Spain.
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