Quaternary

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Cenozoic era
65.5-0
Paleogene
65.5-23.03 		Neogene
23.03-2.588 		Quaternary
2.588-0



Quaternary



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Panthera leo spelaea, the giant cave lion of Pleistocene Europe (Carnivora,Felidae,Pantheriinae,). This animal was the largest known member of the cat family (about a third larger than the modern lion
Panthera leo spelaea, the giant cave lion of Pleistocene Europe (Carnivora,Felidae,Pantheriinae,). This animal was the largest known member of the cat family (about a third larger than the modern lion



The Quaternary is the most recent of geological eras, from 1.8 million years ago to the present day. It can be divided into 2 periods: The Pleistocene (1.8 to .12 mya) and the Holocene (.12 mya to present).

The significant geological event was the glaciation of the Northern Hemisphere, which resulted in lowered sea levels, created drier climates worldwide, and left many glacial lakes, especially in North America. Due to the falling sea levels, many land bridges were opened up, as in the Bering Strait, Indonesia, and Gibraltar. This allowed for an influx of creatures between continents and allowed for the spread of humans globally.

preceeding epochs
remains in
Neogene period
according to ICS
proposal 		Quaternary
2.588-0
Pleistocene
1.806-0.0118 		Holocene
0.0118-0
Gelasian
2.588-1.806 		Early
1.806-0.781 		Middle
0.781-0.126 		Late
0.126-0.0118 		Prehistory
0.0118-0.005 		Historical
0.005-0.0003 		Recent
0.0001-0
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