Earth's Eras

Era

Period

  • Epoch, Start, million years ago

Cenozoic Era

Flowering Plants, Grasses, Insects, Fishes, Birds, Mammals

Quaternary

    • Holocene 0.01
    • Pleistocene 1.7
    • Tertiary
    • Pliocene 5
    • Miocene 23
    • Oligocene 34
    • Eocene 55
    • Paleocene 65

Mesozoic Era

Reptiles, Dinosaurs

Cretaceous

    • Late Cretac. 95
    • Early Cretac. 135
    • Jurassic
    • Malm 160
    • Dogger 185
    • Lias 205
    • Triassic
    • Keuper 230
    • Muscheltalk 245
    • Buntsandstein 250

Paleozoic Era

first Land Plants, Fishes, Amphibians, Insects

The end of the Permian marks the biggest extinction of all time.

Permian

    • Late Permian 270
    • Early Permian 290
    • Carboniferous
    • Pennsylvanian 325
    • Mississippian 355
    • Devonian
    • Late D. 375
    • Middle D. 390
    • Early D. 410
    • Silurian
    • Late Silurian 420
    • Early Silurian 435
    • Ordovician
    • Late O. 450
    • Middle O. 470
    • Early O. 480
    • Cambrian
    • Late C. 490
    • Middle C. 510
    • Early C. 540

Precambrian Era

Bacteria, Eucaryotic Cells

Proterozoic

    • Neoprot. 1000
    • Mesoprot. 1600
    • Paleoprot. 2500
    • Archaean
    • Neoarch. 2800
    • Mesoarch. 3200
    • Paleoarch. 3600
    • Eoarch. 3800
    • Azoikum 4600