In theory, this means that if you had the limb bones of a dinosaur, you could calculate how much it weighed. But the largest animals we're certain this works for are six tonne African elephants. The biggest dinosaurs may have been ten times heavier.
It is predicted Perucetus would have been about 17-20m in length, which is not exceptional. But its bone mass alone would have been somewhere between 5.3 and 7.6 tonnes. And by the time you add in
In the new century, new finds changed our image of Utahraptor again. In 2001 a graduate student roaming around Moab spotted what initially looked like a human arm bone in an area of Early
That makes it only about a fifth to a sixth the weight of its infamous cousin Tyrannosaurus rex—but some 40 times heavier than the largest previously known feathered dinosaur.
Many pterosaurs were small but the largest had wingspans which exceeded 9 m (30 ft). The largest of these are estimated to have weighed 250 kilograms (550 lb). For comparison, the wandering albatross has the largest wingspan of living birds at up to 3.5 m (11 ft) but usually weighs less than 12 kilograms (26 lb).
The reason for the smaller size is unknown. The average female has been estimated to have had a shoulder height of 2.3 m (7.5 ft) and a weight of 2.8 tonnes (3.1 short tons) in the Siberian populations and a shoulder height of 2.6 m (8.5 ft) and a weight of 4 tonnes (4.4 short tons) in the European populations.
Tyrannosaurus rex was one of the largest and most fearsome carnivores of all time.Although Tyrannosaurus rex is one of the most renowned dinosaurs, few of the fossil specimens recovered by paleontologists are complete. The first T. rex fossil was discovered by a curator from the American Museum of Natural History—the legendary Barnum Brown—and the Museum boasts one of the few specimens of
Despite not being the largest dinosaur of its time, Allosaurus was still an impressive predator, with lengths of up to 9.7 meters (32 feet) and weights of up to 3,000 kilograms (6,600 pounds). Dinosaur Length Height Weight When it lived; Allosaurus: up to 9.7m: up to 4.5m: up to 3,000 kg: Late Jurassic (155-145 mya) Stegosaurus: up to 9m
A Triceratops is a dinosaur that lived approximately 68-65 million years ago. They have also been found in China and Mongolia. The largest fossilized remains are believed to be that of a Triceratops horridus, which measured up to 9 meters long and weighed up to 6 tons! renowned for its impressive size and weight. This large dinosaur was
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how much did the biggest dinosaur weigh
