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Giganotosaurus was one of the largest known terrestrial carnivores, but the exact size has been hard to determine due to the incompleteness of the remains found so far. Estimates for the most complete specimen range from a length of 12 to 13 m (39 to 43 ft), a skull 1.53 to 1.80 m (5.0 to 5.9 ft) in length, and a weight of 4.2 to 13.8 t (4.6 to ...
Carnotaurus (/ ˌ k ɑːr n oʊ ˈ t ɔːr ə s /; lit. ' meat bull ') is a genus of theropod dinosaur that lived in South America during the Late Cretaceous period, probably sometime between 72 and 69 million years ago.
Tyrannosaurus, which roamed western North America, was one of the largest meat-eating dinosaurs. It appears this Tyrannosaurus was about 13-15 years old, two-thirds adult size, 25 feet (7.6 meters ...
Quetzalcoatlus (/ k ɛ t s əl k oʊ ˈ æ t l ə s /) is a genus of azhdarchid pterosaur that lived during the Maastrichtian age of the Late Cretaceous in North America. The type specimen, recovered in 1971 from the Javelina Formation of Texas, United States, consists of several wing fragments and was described as Quetzalcoatlus northropi in 1975 by Douglas Lawson.
Only about 700 yards (meters) away from where Llukalkan's fossilized skull was found, scientists previously had dug up the remains of another meat-eating dinosaur called Viavenator exxoni.
During the Cretaceous Period in a lush coastal region in eastern Spain, an impressive dinosaur with an elongated and vaguely crocodile-like skull was on the prowl for a meal, its curved and ...
The footprints of meat-eating dinosaurs may have suddenly increased in size at the start of the Jurassic, when rauisuchians were absent. [7] However, the apparent increase in dinosaur footprint size has instead been argued to be a result of increasing abundance of large theropods, rather than an abrupt acquisition of large size. [8]
The multiple clutches indicate that some therizinosaurs were colonial nesters, like hadrosaurs, prosauropods, titanosaurs, and birds, and the fact that they were found in a single stratigraphic layer suggests the dinosaurs nested at the site on a single occasion, and therefore did not exhibit site fidelity. The discovery was the first record of ...