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Adaptive Radiation of Mammals
Dinosaurs Go Extinct
Close of the Mesozoic Era/ Beginning of the Cenozoic Era
65,000,000 years ago
Mesozoic era ends at 23.5 hours
Paleozoic era ends at 22.5 hours
Cenozoic era era has so far made it to the 24 hour mark.
Angiosperms (Flowering Plants) on the scene
130,000,000 years ago
Pre-Cambrian era ends at 21 hours
We are born!
about 14 years ago
Age of Homo erectus fossils from Ethiopia
600,000 years ago
Pleistocene Ice Age begins
Light from the Andromeda galaxy seen today left Andromeda
2,000,000 years ago
Oldest rocks in the Bahamas
125,000 years ago
Huge Mass Extinction at End of Permian Period/ Close of the Paleozoic Era
245,000,000 years ago
First Mammals
200,000,000 years ago
Origin of the Earth
4,600,000,000 years ago
Columbus lands in New World
506 years ago
Explosion of life/ End of
Pre-Cambrian start of the Paleozoic Era
545,000,000 years ago
Oldest metazoan fossils
900,000,000
10 minutes and 54 seconds later...
First land plant
458,000,000 years ago
Oldest fossil fish
510,000,000 years ago
Amphibians evolve
375,000,000 years ago
Oldest evidence for life
3,800,000,000 years ago
Grahams Harbor, San Salvador, and Bahamas flood due to rising sea level after ice sheets are reduced to modern day volume
7,000 years ago
First oxygen atmosphere/ ozone layer forms
2,000,000,000 years ago
New Discoveries of Australopithecus afarensis (Lucy) fossils from Ethiopia
3,400,000 years ago
Last ice sheet retreats from northern U.S.
15,000 years ago
Homo sapiens appear in the fossil record
100,000 years ago
Oldest dated crustal rocks
3,900,000,000 years ago
Atlantic Ocean first opens
145,000,000 years ago
First Birds
160,000,000 years ago