1.  360 mya to 300 mya  Ancestors of birds, reptiles and mammals

2.  300 mya to 250 mya  Largest mass extinction  Pangaea forms

3.  250 mya to 210 mya  Conifer trees  Mosses  Early dinosaurs

4.  210 mya to 145 mya  Plant eating dinosaurs  Small carnivorous dinosaurs  Birds

5.  145 mya to 65 mya  Flowering plants  Dinosaurs go extinct

6.  65 mya to 1.8 mya  Grass, flowers, insects, fish, birds, mammals

8.  1.8 mya to present  Mammoths, saber tooth tigers  Last ice age  Humans appear