The Geological Timeline

Eon Era Period Epoch Time Span in Years
Phanerozoic Cenozoic Quaternary Holocene 0 - 11,700
Upper Pleistocene (Tarantian) 11,260 - 11,700
Middle Pleistocene (Ionian) 0.3 - 0.8 Mio.
Lower Pleistocene (Calabrian) 0.8 - 1.8 Mio.
Gelasian 1.8 - 2.6 Mio.
Tertiary Neogene Pliocene 2.6 - 5.3 Mio.
Miocene 5.3 - 23 Mio.
Paleogene Oligocene 23 - 34 Mio.
Eocene 34 - 56 Mio.
Paleocene 56 - 66 Mio.
Mesozoic Cretaceous Late Cretaceous 66 - 140 Mio.
Early Cretaceous
Jurassic Late Jurassic 140 - 210 Mio.
Middle Jurassic
Early Jurassic
Triassic Late Triassic 210 - 250 Mio.
Middle Triassic
Early Triassic
Paleozoic Permian Late Permian 250 - 290 Mio.
Early Permian
Carboniferous Late Carboniferous 290 - 360 Mio.
Early Carboniferous
Devonian Late Devonian 360 - 410 Mio.
Early Devonian
Silurian Late Silurian 410 - 440 Mio.
Early Silurian
Ordovician Late Ordovician 440 - 500 Mio.
Middle Ordovician
Early Ordovician
Cambrian Late Cambrian 500 - 590 Mio.
Middle Cambrian
Early Cambrian
  Precambrian

Proterozoic Eon

590 Mio. - 2.5 Bil.

Archaic Eon

2.5 - 4.6 Bil.