360 mya to 300 mya Ancestors of birds, reptiles and mammals
300 mya to 250 mya Largest mass extinction Pangaea forms
250 mya to 210 mya Conifer trees Mosses Early dinosaurs
210 mya to 145 mya Plant eating dinosaurs Small carnivorous dinosaurs Birds
145 mya to 65 mya Flowering plants Dinosaurs go extinct
65 mya to 1.8 mya Grass, flowers, insects, fish, birds, mammals
1.8 mya to present Mammoths, saber tooth tigers Last ice age Humans appear