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