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They appear in the fossil record in the late Triassic about 230 million years ago and go extinct around 65 mya.
Wiki User
∙ 15y ago
Wiki User
∙ 14y agoDinosaurs were originally creatures that evolved from the oceans about 400 billion years ago. Written by luizangel walle
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What animal is believed to be the first to appear on land?
Dinosaurs
Did the first shark appear after the dinosaurs became instinct?
No no no the first shark appeared in the jurassic period.
How long ago did the first dinosaurs appear?
About 230 million years ago.
When did first birds appear?
Middle to late cretacious. But some dinosaurs e.g raptors, and pterosaurs were there even earlier.
Did sharks appear when dinosaur extinct?
No. Sharks appeared on earth long before the first dinosaurs did.
What era did the first dinosaur appear in?
The first dinosaurs lived in the beginning of the Mesozoic Era (or the Age of Reptiles). Birds were amazingly discovered to be dinosaurs so dinosaurs were also alive in the Cenozoic (that's our time-the Age of Mammals) to today.
Which period did dinosaurs appear?
The Mesozoic Era
Where elephants here before dinosaurs?
Mammals did not evolve until dinosaurs were prolific when they did appear they were very small and very scarce when dinosaurs died out.
What era and period did reptiles first appear?
they evolved in marsh habitats around 350 million yrs ago The first known decedent for the dinosaurs was the hylonomas.
When did the shark appear?
they have been around since the dinosaurs.
Did the first shark appear soon after dinosaurs became extinct?
yes it did because i went on a better website and found dht out.... duhhh
Did dogs live during dinosaurs?
No. Canids did not appear a few tens of millions of years after the end of the age of the dinosaurs.
