Dinosaur
Dinosaur
Dinosaur
Reptile
English
Dinosaur /ˈdnəsɔːr/
Last edited on
Definition byGoogle
Dinosaurs are a diverse group of reptiles of the clade Dinosauria. They first appeared during the Triassic period, between 243 and 233.23 million years ago, although the exact origin and timing of the evolution of dinosaurs is the subject of active research.
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