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Era

Period

Epoch

 Mio. of years ago

Cenozoic (65)

Quarternary (1.8 - recent time)

Holocene

(Little Ice Age ~1,200 - 1,700 AD)

the last 10,000 years

(Age of Man)

Pleistocene

1.8 Mio - 10,000

(incl. the Ice age)
 

Tertiary (65-1.8)

Pliocene

5.3 - 1.8

Miocene

23.8 - 5.3

Oligocene

33.7 - 23.8

Eocene

55.8 - 33.7

Paleocene

65

Mesozoic (245-65)

Cretaceous (146-65)

 

136

Jurassic (208-146)

 

190

Triassic (245-208)

 

225

Paleozoic (540-245)

Permian (280-245)

 

280

Carboniferous (360-280 )

 

345

Devonian (408-360)

 

395

Silurian (438-408)

 

440

Ordovician

 

500

Cambrian (540-500)*

 

510

Precambrian (4600-500)

Precambrian

 

4600

Proterozoic (2500-540)

Vendian (600-540)

Ediacarium

 

Archeozoic (3900-2500)

 

 

 

Hadean (4600-3900)

 

 

 

*) Cambria is the old name for Wales (UK) where the first skeletalized animal fossils were found; the first period in the Paleozoic era marked by the occurrence of many forms of invertebrate life; the sudden appearance of the major animal phyla in the fossil record during the Cambrian period is called Cambrian explosion

© by R. Schlegel 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014

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