By these measures, Argentinosaurus was the largest dinosaur, as well as the largest land animal, ever known.
What was the longest dinosaur?
The longest dinosaur was Argentinosaurus, which measured over 40 metres, as long as four fire engines. It was part of the titanosaur group of dinosaurs.
Is there a dinosaur bigger than argentinosaurus?
The biggest land creatures are believed to have been the dinosaurs—of them, the titanosaur (as their name suggests) is believed to be the largest. … The huge size of each suggests the dinosaur was a very large titanosaur—one that might be bigger than Argentinosaurus.
What is bigger than a brontosaurus?
The bone clearly belonged to a sauropod—a long-necked dinosaur like Brontosaurus, Diplodocus, and Brachiosaurus. … Specifically, it was one of the titanosaurs—the last-surviving group of sauropods, and likely the biggest of them.
How big was the biggest dinosaur ever found?
“The specimen is considered one of the largest sauropods ever found, probably exceeding Patagotitan in size,” the researchers wrote. Patagotitan was roughly 50 feet (15 meters) tall and weighed 69 tons (62 metric tons), which is equivalent to the weight of nearly a dozen Asian elephants.
What was the smartest dinosaur?
Troodon was a meat-eater the size of a man, with a brain as big as an avocado pit. It was not only the smartest dinosaur, but the smartest animal of dinosaur times, including our ancestors — the mammals of the Mesozoic Era.
What is the largest animal to ever exist?
Far bigger than any dinosaur, the blue whale is the largest known animal to have ever lived.
Are dinosaurs still alive?
Other than birds, however, there is no scientific evidence that any dinosaurs, such as Tyrannosaurus, Velociraptor, Apatosaurus, Stegosaurus, or Triceratops, are still alive. These, and all other non-avian dinosaurs became extinct at least 65 million years ago at the end of the Cretaceous Period.
Who is bigger argentinosaurus or blue whale?
Blue whales are the largest animals that have ever lived—they’re even bigger than dinosaurs! Blue whales reach 34 meters (110 feet) long and weigh as much as 172,365 kilograms (190 tons). … Like all dinosaurs, Argentinosaurus was a reptile. Today, the world’s largest reptile is the saltwater crocodile.
What was the smallest dinosaur in the world?
Mussaurus (meaning “mouse lizard”) is the smallest complete dinosaur skeleton found, but it is from a hatchling (a baby). It was only 16 inches long (37 cm).
What dinosaurs had 500 teeth?
Nigersaurus had a delicate skull and an extremely wide mouth lined with teeth especially adapted for browsing plants close to the ground. This bizarre, long-necked dinosaur is characterized by its unusually broad, straight-edged muzzle tipped with more than 500 replaceable teeth.
How come Dinosaurs were so big?
They had hollow bones, didn’t chew their food, they had incredibly long necks, and likely possessed huge stomachs. These traits are theorized to be key in how they attained their enormous size.
What is the most dangerous dinosaur?
Meet the Spinosaurus, the most dangerous dinosaur to walk — or swim — the Earth.
Are Dinosaurs Real?
Dinosaurs are a group of reptiles that have lived on Earth for about 245 million years. In 1842, the English naturalist Sir Richard Owen coined the term Dinosauria, derived from the Greek deinos, meaning “fearfully great,” and sauros, meaning “lizard.” Dinosaur fossils have been found on all seven continents.
Why does at Rex have small arms?
rex’s puny, undersized arms. According to Steven Stanley, a paleontologist at the University of Hawaii at Manoa, T. rex arms were used to slash prey in close proximity to the dinosaur. … And the short arm length was actually more beneficial for slashing, considering the size of T.
When was the last dinosaur found?
The Cretaceous–Paleogene extinction event, which occurred approximately 66 million years ago at the end of the Cretaceous, caused the extinction of all dinosaur groups except for the neornithine birds.