LIMA - Paleontologists have unearthed the skull of a ferocious marine predator, an ancient ancestor of modern-day whales, which once lived in a prehistoric ocean that covered part of what is now
You'd never be able to hang a real blue whale from the ceiling. They can weigh as much as 168 metric tons (370,000 pounds). That's as heavy as 28 African elephants! Blue whales are the largest animals that ever lived on Earth . Titanosaur: Wow, that's much more massive than the dinosaur whose fossils I was molded after.
The largest known dinosaur that has a humerus and femur bone from the same individual is the 77-million-year-old Dreadnoughtus, a 65-ton (59 metric tons) titanosaur that Lacovara and his team

The largest creature ever to live is believed to be the blue whale —the largest of which grow to 33.6 meters long. The biggest land creatures are believed to have been the dinosaurs —of them

Carcharodontosaurus was a massive theropod dinosaur that roamed what is now Northern Africa, some 90 million years ago. It is one of the largest predatory dinosaurs known, even larger than Tyrannosaurus Rex. It is sometimes referred to as the African T-Rex though the two dinosaurs are not related. An artists rendering of Carcharodontosaurus. Carnivore. Size: 40 feet long and 12 feet tall. Weight: Between 5.5 and eight tons. Size relative to a bus: Tyrannosaurus rex was one of the most ferocious predators to ever walk the Earth. With a
The largest-known member of the genus was roughly as long as a modern car, measuring about 14.8 feet in length. The dinosaur weighed about 820 to 990 pounds. It had a heavy tail, long hindlimbs, short forelimbs, and a short, thick neck. The bipedal Pachycephalosaurus had a sizable, 10-inch-thick, bony dome atop its skull.
Researchers said on Monday the fossils represent a dinosaur species named Ninjatitan zapatai that lived 140 million years ago during the Cretaceous Period. They identified Ninjatitan as a A Brontosaurus could have weighed up to 25 tons! Evidence suggests that a Brontosaurus could have weighed between 17-24 US tons (16,000-22,000 kg), making it one of the largest dinosaurs to walk the earth. As these are predictions based on the length of bones discovered, it is possible that some could have even weighed more. .
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    • how heavy was the heaviest dinosaur