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It consists of the fossilized skeletons of a tyrannosaur (generally considered a juvenile Tyrannosaurus rex) and a Triceratops horridus entangled with one another and entombed in sandstone. This is quite similar to the Fighting Dinosaurs , a 74-million-year-old specimen found Mongolia in 1971, in which a Velociraptor and Protoceratops were ...
In 1998, Kenneth Carpenter suggested another scenario in which the multiple wounds delivered by the Velociraptor on the Protoceratops throat had the latter animal bleeding to death. As a last effort, the Protoceratops bit the right hand of the predator and trapped it under its own weight, causing the death and eventual desiccation of the ...
Triceratops (/ t r aɪ ˈ s ɛr ə t ɒ p s / try-SERR-ə-tops; [1] lit. ' three-horned face ') is a genus of chasmosaurine ceratopsian dinosaur that lived during the late Maastrichtian age of the Late Cretaceous period, about 68 to 66 million years ago in what is now western North America.
The fossil of a Velociraptor fighting a Protoceratops shows that the Velociraptor pierced the neck of its prey, possibly to impale the arteries or the vein. Velociraptor's wings were used for balance and agility, much like the wings of an African ostrich. Along with its claws, Velociraptor's teeth were useful weapons.
The endocranium examinations also further cemented the theory that the dromaeosaur was an agile, swift predator. Fossil evidence suggesting Velociraptor scavenged also indicates that it was an opportunistic and actively predatory animal, feeding on carrion during times of drought or famine, if in poor health, or depending on the animal's age. [41]
Named partly for the Norse god of mischief, Lokiceratops rangiformis was a cousin of Triceratops and lived in a swampy environment alongside other horned dinosaur species about 78 million years ago.
The chief predators of ceratopsids were tyrannosaurids. [8] There is evidence for an aggressive interaction between a Triceratops and a Tyrannosaurus in the form of partially healed tyrannosaur tooth marks on a Triceratops brow horn and squamosal (a bone of the neck frill); the bitten
Sea otters in California reach 50 to 70 pounds, while those in Alaska can weigh up to 100 pounds. In contrast to river otters , sea otters must survive amid the chilly waters of the Pacific Ocean.