Phanerozoic Eon
541 - Present
Paleozoic Era
541 - 252 289
Permian Period
298.9 - 251.9 47
|
|
Mesozoic Era (Middle Life)
252 - 66 186
Triassic Period
251.9 - 201.3 50.6
Early Triassic Subperiod
251.9 - 247.2 4.7
  Olenekian 251.2 - 247.2 4
250 massive volcanic eruptions & devastating global warming. Only one in 10 species survived this cataclysmic end-Permian event. |
|
|
Middle Triassic Subperiod
247.2 - 237 10.2
  Anisian
247.2 - 242 5.2
243 - 191 52 Marine Isotope Stage 7 |
|
|
|
|
|
|
Phanerozoic Eon
541 - Present
Mesozoic Era (Middle Life) 252 - 66 186
Triassic Period
251.9 - 201.3 50.6
|
Jurassic Period
201.3 - 145
|
|
|
|
Phanerozoic Eon
541 - Present
Mesozoic Era (Middle Life) 252 - 66 186
Jurassic Period
201.3 - 145
|
Cretaceous Period
145 - 66 79
Early (Lower) Cretaceous Subperiod
145 - 100.5 44.5
Berriasian Age
145 - 139.8 5.2
|
|
|
|
|
|
Phanerozoic Eon
541 - Present
Mesozoic Era (Middle Life) 252 - 66 186
Cretaceous Period
145 - 66 79
Early (Lower) Cretaceous Subperiod
145 - 100.5 44.5
|
Late (Upper) Cretaceous Subperiod
100.5 - 66 34.5
|
|
|
Cenozoic Era
66 - Present
Paleogene Period 66 - 23.03 42.97
Paleocene Epoch
66 - 56 10
|
|
|
|
|
Phanerozoic Eon
541 - Present
Cenozoic Era
66 - Present
Paleogene Period
66 - 23.03 42.97
Paleocene Epoch
66 - 56 10
|
|
Neogene Period
23.03 - 2.588 20.442
Miocene Epoch
23.03 - 5.333 17.697
Aquitanian Age
23.03 - 20.44 2.26 |
Serravallian Age
13.82 - 11.63 3.9 |
Tortonian Age
11.63 - 7.246 3.9 |
Messinian Age
7.246 - 5.333 3.9 |
|
Pliocene Epoch
5.333 - 2.588 2.745
Zanclean Age
5.333 - 3.6 8.2 |
|
|
Quaternery Period
2.588 - Present
Pleistocene Epoch
2.588 - 11.784 2,068,300
Aquitanian Age
2.58 - 47.8 8.2 |
Serravallian Age
37.8 - 33.9 3.9 |
|
Holocene Epoch
11.784 - present
Greenlandian Age
.0117 - .0082 .0035 |
|
|
|
|
|