Triassic 245-208 million years ago
First , 248 million years ago the first mammals appeared on land . Next , More animals and plants evolved from weather . Then , the continents formed to a great land mass called Pangaea . Finally , the Triassic period ended in a tragic demise . Some dinosaurs were the Lagosuchus , Lystrosaurusm , Mixosaurus , and the Eutimorphodon .
First , 248 million years ago the first mammals appeared on land . Next , More animals and plants evolved from weather . Then , the continents formed to a great land mass called Pangaea . Finally , the Triassic period ended in a tragic demise . Some dinosaurs were the Lagosuchus , Lystrosaurusm , Mixosaurus , and the Eutimorphodon .
Jurassic 208-2144 million years ago
First , Pangaea started to split into two two continents called Gondawana and Laurasia . Next , the world started to change because more plants started to grow in deserts . Then , the climate started to grow cooler .Some dinosaurs were the Lesothosauras , Dimoiphodon , Megalosaurus , Stegosaurus , and the Plesicsaurus .
First , Pangaea started to split into two two continents called Gondawana and Laurasia . Next , the world started to change because more plants started to grow in deserts . Then , the climate started to grow cooler .Some dinosaurs were the Lesothosauras , Dimoiphodon , Megalosaurus , Stegosaurus , and the Plesicsaurus .
.
Creataseus 144-65 million years ago
First , the weather and the earth is mostly like today . Next , most dinosaurs died out from the mild weather . Then , Gondawana and Laurasia were splitting up into the 7 continents we know today . Some dinosaurs in the creataseus were the Iguanodon , Euoplocephalus , Microraptor , Velociraptor , Spinosaurus , Saltasauras .
First , the weather and the earth is mostly like today . Next , most dinosaurs died out from the mild weather . Then , Gondawana and Laurasia were splitting up into the 7 continents we know today . Some dinosaurs in the creataseus were the Iguanodon , Euoplocephalus , Microraptor , Velociraptor , Spinosaurus , Saltasauras .