They disappeared in cretatucous Period . The last dinosaur in earth is barchiosaurus
The dinosaurs are one of the species that has disappeared from the earth.
an asteroid hit
Dinosaurs and ammonoids appeared in the Triassic period.
Dinosaurs died out 65.5 million years ago, and the earliest humans evolved 2.3 million years ago, long after all the dinosaurs had disappeared. Hence, dinosaurs did not live alongside cavemen.
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
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.
No. Bears came well after the period of the dinosaurs. Bears never existed when the dinosaurs were around.
The last non avian dinosaurs lived up until the end of the Cretaceous period, specifically the Maastrichtian stage.However research in the past 20 years has show that birds are in fact dinosaurs that survive to this day.