Ciro Santilli
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中国独裁统治 China Dictatorship 新疆改造中心、六四事件、法轮功、郝海东、709大抓捕、2015巴拿马文件 邓家贵、低端人口、西藏骚乱
Eon
...
Solar System
Planet in the Solar System
Earth
Earth science
Geologic time scale
Geologic time scale hierarchy
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79
Table of contents
79
Phanerozoic (541 Mya-today, visible life)
link
Eon
17
Cenozoic (65 Bya - today, new life, K-Pg Extinction - today)
link
Phanerozoic
0
Paleolithic (3.3 Mya - 12 kya, tools)
link
Cenozoic
28
Quaternary (2.5 Mya - today, humans)
link
Cenozoic
0
Holocene (12 kya - agriculture - today)
link
Quaternary
0
Pleistocene (2.5 Mya - 12 kya, humans emerge - agriculture)
link
Quaternary
23
Mesozoic (252 Bya - 65 Mya, middle life, P-T Extinction to K-Pg Extinction, dinosaurs)
link
Phanerozoic
0
Paleozoic (541 Mya - 252 Mya, old life, Cambrian explosion to P-T Extinction)
link
Phanerozoic
2
Proterozoic (2.5 Bya - 541 Mya, old life, oxygen to Cambrian explosion)
link
Eon
0
Archean (4-2.5 Bya, ancient life)
link
Eon
0
Hadean (4.5-4 Bya, Hell, no life)
link
Eon
9
Ancestors
Geologic time scale hierarchy
Geologic time scale
Earth science
Earth
Planet in the Solar System
Solar System
Orion Arm
Arm of the Milky Way
Milky Way
Local group
Virgo Supercluster
Astronomy
Natural science
Science
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