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
The cretaceous period
triassic
Jurassic
Jurassic Period. That's pretty much it. Its the middle of the Age of Dinosaurs.
The cretaceous period.
The Cretaceous period.
Juassic
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.
Frog fossils have been found dating to the Jurassic period. The Jurassic period was the middle period in the middle of the Mesozoic. The Mesozoic was the era in which all dinosaurs lived, so frogs and dinosaurs did coexist.
After the dinosaurs came the Quaternary period. In this period there was and ice age (the one you think about when you hear the word ice age) and mammals became the dominant life forms on earth. Mammoths, Giant Sloths, and Sabertoothed tigers lived during this period.
Jurassic period
name three species of the Jurassic period dinosaurs whose length was measured at 30 feet or longer
The ice age began at the end of the Jurassic period, a theory of why the dinosaurs became extinct. <33
Yes. Snakes first appeared in the Cretaceous period, the third and last period of the age of the dinosaurs.
No. Mammoths are from the ice age not the Mesozoic era (dinosaur age).