Theropod bite marks on the limb bone of a juvenile Brontosaurus from Wyoming. Large, carnivorous theropods would likely have favored predating on young sauropods over adults, given their giant ...

Around a decade later, another team found fossils in Niger that described a similar giant theropod but from a different species; it became Carcharodontosaurus iguidensis. Many of the larger ...

During the Early Cretaceous period, theropod dinosaurs walked the polar regions in Australia. The environment, despite being extremely cold, supported these large carnivores ...

In addition to ranging from miniature nippers to giant terrors, theropods adapted to fill a whole range of ecological niches. One of the smaller examples are the microraptors whose name means “tiny ...

They range in size from the small Coelurosaur up to the giant Tyrannosaurs. Several theropod species also had feathers. An illustration of a ‘mega raptor. ‘CREDIT: Artwork by Jonathan Metzger.

ALI ROGIN: Woods is one of the co-authors of a recently published study that confirmed the footprint was from a giant theropod, a dinosaur group that includes the T. rex.

Museum dinosaur expert Professor Paul Barrett, however, notes that any role of short arms in theropod dinosaurs is still yet to be convincingly proven. 'We didn't know very much about the arm anatomy ...

And giant it was – the dinosaur weighed over 4 tons, stood almost 11 m (36 ft) long and had a huge skull that measured 1.3 m (4.2 ft) ... Like many carnivorous theropods, ...

Middle femurs of small (left) and giant (right) theropods. The colored lines show the differences between the anatomical zones of the two femurs superimposed (in the middle, more [red] or less ...

Researchers said depictions of the predator with giant flashing teeth, ... The teeth on T. rex and other big theropods were likely covered by scaly lips, concludes a study published Thursday ...