Diversification of mammals and birds, man

70 million to the present

Mammals

Larger mammals, insecteating animals, multiplication of deciduous trees and grasses

135 to 70 million

Reptiles, Flowering Plants

Flying reptiles, birds, coniferous trees, small mammals

180 to 135 million

Marine reptiles, dinosaurs, small mammals, flowering plants

225 to 180 million

Reptiles and large insects

270 to 225 million

Amphibians, Seed Plants

Insects, spiders, snails, large amphibians, seed plants

350 to 270 million

Amphibians, sharks, small trees

410 to 350 million

Fishes, Land plants

Small land plants

440 to 410 million

Fish, clams, corals

500 to 440 million

Invertebrates, Seaweeds

Trilobites, mollusks, seaweed

600 to 500 million

Before 600 million

Algae