Sentences with phrase «carnivorous dinosaurs which»

Not exact matches

In 1991, William Hammer, an NSF - funded researcher hunting for fossils in Antarctica's Beardmore Glacier region, discovered this skull (left) and a large femur, which belonged to a completely unknown species of therapod — a bipedal, carnivorous dinosaur whose members include the more familiar tyrannosaurs and Velociraptors.

The fossils discussed in the paper are of dinosaurs of the species Ornithomimus edmontonicus, which means they looked something like modern ostriches, and are theropods — bipedal and carnivorous — as are most of the feathered dinosaurs already known to science.

Dr Lara Sciscio, postdoctoral Research Fellow at the University of Cape Town, said: «This discovery marks the first occurrence of very large carnivorous dinosaurs in the Early Jurassic of southern Gondwana — the prehistoric continent which would later break up and become Africa and other landmasses.

It was still living in fear of other, more primitive carnivorous dinosaurs called allosaurs, which were the apex predators of the day.

As embryos, birds seem to develop the equivalent of our middle three fingers, but theropods — two - legged, primarily carnivorous dinosaurs from which birds are thought to have evolved — sport the equivalent of our thumb, index, and middle fingers.

The study aimed to test the hypothesis that data from extant birds could be used to predict the incubation behaviour of Theropods, the group of carnivorous dinosaurs from which birds descended.

The remains contain an estimated 20 percent of the carnivorous dinosaur — which lived 145 - 66 million years ago at the end of the Cretaceous Period — including an intact skull, vertebrae, ribs, hips and lower jaw bones.

«Many birds — which are the descendants of dinosaurs — use their beaks in social display, and there is plenty of evidence that carnivorous dinosaurs engaged in face - biting among themselves, perhaps targeting the sensitivity of the face to make a point.»