Quick Answer: Which Dinosaur Does Not Exist?

What dinosaur is no longer a dinosaur?

BrontosaurusLike Pluto losing its standing as a planet, Brontosaurus became a non-species.

Now scientists say that may have been the wrong call.

If you grew up loving Brontosaurus only to be told it wasn’t a real dinosaur, it’s time to rejoice: the gentle giant may have received a new lease on life..

Is the Brontosaurus a real dinosaur?

The Brontosaurus, known fondly as one of the largest creatures to have ever walked the planet while having had one of the smallest brains of all the dinosaurs, is back. The creature is still extinct, but it has now been re-classified as a dinosaur after being sent into exile by the scientific community.

What are brontosaurus called now?

ApatosaurusScientists 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.

Do dinosaurs still live?

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 a brontosaurus a vegetarian?

The largest animals to have ever lived on land were colossal vegetarians known as sauropods, which included the massive Apatosaurus (once known as Brontosaurus).

How long did a brontosaurus live?

The largest and best-preserved T. rex, in the Field Museum of Chicago, is thought to have lived to almost 29 years, although it would have achieved adult size after 20 years.

Why are there no dinosaurs in Ireland?

Summary of Irish geological history Most of the rocks that make up Ireland are from earlier than the time of the dinosaurs, so they hold no dinosaur fossils to be discovered. Only in northeast Ireland are there significant deposits of rocks of the right age to find dinosaur fossils in.

What is the tallest dinosaur?

Sauroposeidon protelesArguably 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.

How come Dinosaurs were so big?

1: Size Was Fueled by Vegetation. During the Mesozoic Era, which stretched from the beginning of the Triassic period 250 million years ago to the extinction of the dinosaurs at the end of the Cretaceous period 65 million years ago, atmospheric levels of carbon dioxide were much higher than they are today.

What killed dinosaurs?

The Cretaceous-Tertiary extinction event, or the K-T event, is the name given to the die-off of the dinosaurs and other species that took place some 65.5 million years ago. … This suggests that a comet, asteroid or meteor impact event may have caused the extinction of the dinosaurs.

Where can you find a dinosaur?

Dinosaur fossils have been found on every continent of Earth, including Antarctica but most of the dinosaur fossils and the greatest variety of species have been found high in the deserts and badlands of North America, China and Argentina.

What dinosaurs had 500 teeth?

NigersaurusNigersaurus, you might remember, we named for bones collected on the last expedition here three years ago. This sauropod (long-necked dinosaur) has an unusual skull containing as many as 500 slender teeth.