Non-bird dinosaurs lived between about and 66 million years ago, . than dinosaurs by name, shape or when and where they lived.
Dinosaurs are a diverse group of reptiles of the clade Dinosauria. They first appeared during the Triassic period, between and million years ago, .
Dinosaurs lived throughout the Mesozoic Era, which began million years ago and lasted for million years. It is sometimes called the Age of the Reptiles.
It is divided into the three time periods in which the dinosaurs lived: the the landmasses were in much the same position as they are today.
Because dinosaurs were (and in the form of birds still are) such a diverse group or animals, they probably lived in nearly every terrestrial environment.
All of our knowledge that we have about how fast dinosaurs grew, and how long that they.
Of course, these earliest dinosaurs may have only lived in certain parts of Pangaea, and the oldest known specimens were all discovered in.
They were dinosaurs' closest relatives, but technically not dinosaurs. often lived in herds and were prey to the larger species of dinosaurs.
Dinosaurs lived on all of the continents. were 'warm-blooded' in the same sense that modern birds and mammals are: that is, they had rapid metabolic rates .