Botany online 1996-2004. No further update, only historical document of botanical science!


Geological Time Scale

Era Period Epoch Start before Million Years
Caenozoic Quarternary Holocene - recent period
Pleistocene
1.8
Tertiary Pliocene
Miocene
Oligocene
Eocene
Palaeocene
65
Mesozoic Cretaceous Upper Cretaceous
Lower Cretaceous
135
Jurassic  
205
Triassic  
250
Palaeozoic Permian  
290
Carboniferous Upper Carboniferous
Lower Carboniferous
355
Devonian Upper Devonian
Middle Devonian
Lower Devonian
410
Silurian Gotlandium
Ordovician
438
505
Cambrian Upper Cambrian
Middle Cambrian
Lower Cambrian
545
Proterozoic Precambrian  
ca. 1100
ca. 1800
> 3000
Archaean      

© Peter v. Sengbusch - Impressum