0
From the fossils of the earliest dinosaurs, scientists have deduced that dinosaurs first appeared on Earth around 250-270 million years ago.
Elza Olson
Wiki User
∙ 10y agoDinosaurs belong to a broad group of reptiles called archosaurs. After the genetic bottleneck created by the Permian-Triassic extinction event, the archosaurs greatly diversified. About 20 million years after the event, a group of small bipedal reptiles became the first dinosaurs.
Wiki User
∙ 13y agoDinosaurs existed over sixty-five million years ago.
Wiki User
∙ 11y agoabout 230 million years ago
Wiki User
∙ 12y ago65million years ago.
Wiki User
∙ 13y ago362 million years ago
Wiki User
∙ 12y agoa long time ago.
Wiki User
∙ 12y ago250 million years ago, approx.
Add your answer:
Earn +20 pts
What kind of dinosaur that live the Philippines?
A Dinosaur Bird
Are the dinosaur a live?
no
What habitat do the second dinosaur live in in BBC planet dinosaur?
t-rex
Do dinosaur still live in this world?
No.
What is the biggest dinosaur live?
argentnasauraus
Do dinosaur live at apes time?
no
What is the largest dinosaur ever to live?
the largest dinosaur that ever lived is the seismosaurus hallorum
What does Kesha wear in her dinosaur video?
A dinosaur costume. In Dinosaur [Live] Kesha is wearing a shirt with an eagle on it and shiny short shorts.
What habitat does a gerrothax dinosaur live in?
Gerrothorax is a giant amphibian, not a dinosaur. It lived in freshwater swamps.
Do maple live in the dinosaur time?
Yes
How long did the therizinosaurus dinosaur live?
they died
Where does Max live on dinosaur king?
china
