Are sharks considered dinosaurs?

Sharks. Today’s sharks are descended from relatives that swam alongside dinosaurs in prehistoric times. In fact, the largest predator of all time was a shark called a Megalodon. It lived just after the dinosaurs, 23 million years ago, and only went extinct 2.6 million years ago.

What is the most prehistoric animal alive today?

Prehistoric Creatures That Are Still Alive Today

Where have the most Dinosaur fossils been found? 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 would have happened if the dinosaurs never went extinct?

“If dinosaurs didn’t go extinct, mammals probably would’ve remained in the shadows, as they had been for over a hundred million years,” says Brusatte. Gulick suggests the asteroid may have caused less of an extinction had it hit a different part of the planet.

What was the lifespan of a dinosaur?

Early estimates of 300-year lifespans for the largest sauropods were based on comparisons with crocodiles and turtles, which have much slower metabolisms. The consensus is now that Apatosaurus and Diplodocus dinosaurs probably only lived for 70 or 80 years, which is about the same as an elephant today.

Did any dinosaurs fly?

But there were many flying, non-avian reptiles that lived during the time of the dinosaurs. They were the pterosaurs which included Plesiosaurus, Pteranodon, Pterodactylus, Dimorphodon, Rhamphorhynchus, Quetzalcoatlus, and many others.

What was the biggest flying dinosaur?

Quetzalcoatlus

Liopleurodon

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