| EON | ERA | MILLIONS OF YEARS | PERIOD | EPOCH | PLANT EVOLUTION | ANIMAL EVOLUTION | MAJOR GEOLGICAL EVENTS |
| Phanerozoic | Mesozoic | 240 | Triassic | Gymonsperms domonant | Explosive radiation of dinosaurs First Dinoasurs First Mammals Complex arthopods dominant in seas First Beetles |
Opening of Atlantic Ocean | |
| Phanerozoic | Mesozoic | 195 | Jurassic | Forests of gymnosperms and ferns over most of the Earth | First birds Age of dinosaurs |
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| Phanerozoic | Mesozoic | 135 | Cretaceous | First vascular plants First land plants |
Golden Age of fishes First land invertebrates |
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| Phanerozoic | Cenozoic | 65 | Tertiary | Pliocene Miocene Oligocene Eocene Paleocene |
Decline of forrests, spread of grasslands Explosive radiation of flowering plants |
Appearance of hominids Apperearence of first apes All modern genera of mammals present In seas, bony fish abound Rise of mammals First placental mammals |
Opening of Red Sea Formation of Himalayan Mountains Collisoin of India with Asia Seperation of Australia and Antarctica Opening of Norwegian Sea and baffin Bay |
| Phanerozoic | Cenozoic | 2.5 | Quaternary | Holocene Pleistocene |
Repeated glaciation | Appereance of First Homosapiens First use of Fire Apperance of Homo erectus |
Worldwide glaciation Linking of North and South America |
