Brontosaurus was a large, long-necked, quadrupedal animal with a long, whip-like tail, and fore limbs that were slightly shorter than its hind limbs. The largest species, B. excelsus, weighed up to 15 t (17 short tons) and measured up to 22 m (72 ft) long from head to tail.
Was brachiosaurus the largest dinosaur?
At the time of its discovery in 1903, Brachiosaurus was declared the largest dinosaur ever, but other sauropods are now believed to have been bigger and heavier than Brachiosaurus.
Which is bigger brontosaurus or brachiosaurus?
When comparing the sizes of these two dinosaurs, Brachiosaurus was bigger Brontosaurus. Brontosaurus weighed up to 15 tons while Brachiosaurus weighed more than 55 metric tons. In addition, the length of a Brontosaurus is estimated as 72 feet while the length of a Brachiosaurus is estimated as 85 feet.
What was the tallest dinosaur?
Arguably the tallest dinosaur is Sauroposeidon proteles, a massive plant-eater discovered in North America. Thanks to a ludicrously long neck, it stood 17m (55 ft) tall, but relatively few fossils of it have been found.
What is the largest dinosaur fossil ever found?
A titanosaur is a type of sauropod which has been discovered in fossil beds around the world; the largest known individuals have been found in Patagonia. A type known as the Patagotitan weighed in at 77 tons, while the Argentinosaurus reached 110 tons and up to 40 meters (131 feet) in length.
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).
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.
Is brontosaurus real?
Brontosaurus (/ˌbrɒntəˈsɔːrəs/; meaning “thunder lizard” from Greek βροντή, brontē “thunder” and σαῦρος, sauros “lizard”) is a genus of gigantic quadruped sauropod dinosaurs.
Is Littlefoot a brontosaurus?
Littlefoot has been called a Brontosaurus and a Brachiosaurus He is now identified as an Apatosaurus. He was originally named “Thunderfoot” by the creators of the first film, until it was discovered that a Triceratops character from a children’s book had the same name.
What are brontosaurus called now?
Scientists use the first name given to an animal, so they decided to rename the Brontosaurus to Apatosaurus because Apatosaurus came first. Scientists now know that the back bones of the Apatosaurus grew together as the animal gets bigger.
What was the first dinosaur?
For the past twenty years, Eoraptor has represented the beginning of the Age of Dinosaurs. This controversial little creature–found in the roughly 231-million-year-old rock of Argentina–has often been cited as the earliest known dinosaur.
What is the biggest animal that ever lived?
Far bigger than any dinosaur, the blue whale is the largest known animal to have ever lived. An adult blue whale can grow to a massive 30m long and weigh more than 180,000kg – that’s about the same as 40 elephants, 30 Tyrannosaurus Rex or 2,670 average-sized men.
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.
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.
Where was Sue the dinosaur found?
Cheyenne River Reservation
Has there ever been a complete dinosaur skeleton found?
The rocks in which it was fossilised are around 193 million years old, close to the dawn of the Age of Dinosaurs. This remarkable specimen — the first complete dinosaur skeleton ever recovered — was sent to Richard Owen at the British Museum, the man who invented the word dinosaur.