not dinosuars!
probably some small fish or crustacean or bacteria of some sort, there wasn't much life back then
The cryptoclidus became extinct an estimated 65 million years ago. This reptile was one of the biggest marine animals of that time.
dinosaur
the same time as dinos became extinct. 65 million years ago
They became extinct 75 million years ago :-P
Trilobites became extinct about 250 million years ago, in the Mesozoic Era.
false (They became extinct about 65 million years ago.)
Non avian dinosaurs became extinct 65.5 million years ago, at the end of the Cretaceous. However, birds are considered dinosaurs. Because birds still exist, dinosaurs are not completely extinct.
about 360 million years ago
it became extinct 505 million years ago due to a drop in water temperature.
The archaeopteryx became exctint around 150 million years ago.
The last dinosaurs became extinct 65 million years ago.
They lived in trees and caves from 4.2 million to 1.4 million years ago when they became extinct.