Sentences with phrase «carnivorous theropods»

The paleontologists used a scanning electron microscope and a synchrotron to do a thorough examination and analysis of tooth slices from eight carnivorous theropods, including Tyrannosaurus rex, Allosaurus, Coelophysis and Gorgosaurus.

Study author Kirstin Brink and colleagues from the University of Toronto Mississauga examined fossilized tooth slices of eight carnivorous theropods including T - rex, Allosaurus, Coelophysis and Gorgosaurus.

«The carnivorous theropods were more closely related to the herbivorous ornithischians and, what's more, some animals, such as Diplodocus, would fall outside the traditional grouping that we called dinosaurs.

Adaffa Theropod Tooth: This isolated tooth evidences the first identifiable carnivorous theropod dinosaur from the Arabian Peninsula.

Not exact matches

Dr Lautenschlager said: «Theropod dinosaurs, such a Tyrannosaurus rex or Allosaurus, are often depicted with widely - opened jaws, presumably to emphasise their carnivorous nature.

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.

Theropods encompass all carnivorous dinosaurs, including the largest land - living predators in the history of life on Earth, such as Tyrannosaurus, and iconic agile hunters like Velociraptor.

These theropod dinosaurs — bipedal and carnivorous — did exactly the same thing.»

The other dinosaur tracks include: a sauropod, or long - necked plant - eater; small theropods, crow - sized carnivorous dinosaurs closely related to the Velociraptor and Tyrannosaurus rex; and pterosaurs, a group of flying reptiles that included pterodactyls.

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.