What animals survived the Mesozoic extinction?
John Kim
Published Apr 25, 2026
Thereof, which animal did not survive the Mesozoic extinction?
While crocodilians had the ability to survive and thrive in the lack of dinosaurs after the Cretaceous-Paleogene mass extinction, the effect of humans may not be any match for them.
Subsequently, question is, how did animals survive the dinosaur extinction? This catastrophic impact -- called the Cretaceous-Tertiary or K/T extinction event -- spelled doom for the dinosaurs and many other species. Some animals, however, including many small mammals, managed to survive. It was their diet which enabled these mammals to survive in habitats nearly devoid of plant life.
In this manner, which species survived the asteroid?
With the exception of some ectothermic species such as the leatherback sea turtle and crocodiles, no tetrapods weighing more than 25 kilograms (55 pounds) survived.
What kind of organisms survived the mass extinction that killed the dinosaurs answers com?
Birds and reptiles are the living descendantsof the dinosaurs that survived the meteorite-triggered mass extinction that killed off most of the species living 66 million years ago. And of all reptiles, crocodiles are the most closely related to birds.