The dinosaurs died out 65.5 million years ago. That was the very end of the Maastrichtian stage, which was the last stage of the Cretaceous time period. The Cretaceous was the last period of the Mesozoic era.
December 29th.
the dinosaurs are and dodos wich are a type of bird.
Whales will become exstinct.
around 6.5 billion years ago
Dinosaurs and ammonoids appeared in the Triassic period.
The earliest period that dinosaurs existed was the Triassic period, some 225 million years ago. These were not the huge dinosaurs of the later period. Most dinosaurs of that age were small creatures that ate meat and walked on hind legs. Shaaron
Dinosaurs and ammonoids appeared in the Triassic period.
the best time of dinosaurs was the jurassic period where big sauropods ruled the earth ,late in the cretaceous period some species of dinosaurs were in decline before the hit of the meteorite that killed all dinosaurs
dinousours became exstinct 22 BC's
the period is teritary the period after dinosaurs
The T-Rex and Triceratops. The extinction of the dinosaurs marked the end of the cretaceous period.
No. The Jurassic was in the middle of the dinosaurs' reign on Earth. The time period after the extinction of the dinosaurs is referred to as the Paleogene or the Tertiary.