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Geologic Time Table
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Total cards: 20•Content version: v4•Public deck•Updated: 8/1/2026
Card preview (20)
#1
Front (Question)
Eras?
Back (Answer)
Precambrian Paleozoic Mesozoic Cenozoic
#2
Front (Question)
Period?
Back (Answer)
Archeozoic Proterozoic Cambrian Ordovician Silurian Devonian Mississippian Pennsylvanian Permian Triassic Jurassic Cretaceous Tertiary Quaternary
#3
Front (Question)
Epoch?
Back (Answer)
Paleocene Eocene Oligocene Miocene Pliocene Pleistocene Recent
#4
Front (Question)
4.6 billion
Back (Answer)
Archeozoic Proterozoic
#5
Front (Question)
550 million
Back (Answer)
Cambrian
#6
Front (Question)
500 million
Back (Answer)
Ordovician
#7
Front (Question)
430 million
Back (Answer)
Silurian
#8
Front (Question)
400
Back (Answer)
Devonian
#9
Front (Question)
350
Back (Answer)
Mississippian Carboniferous
#10
Front (Question)
325
Back (Answer)
Pennsylvanian Carboniferous
#11
Front (Question)
285
Back (Answer)
Permian
#12
Front (Question)
225
Back (Answer)
Triassic
#13
Front (Question)
190
Back (Answer)
Jurassic
#14
Front (Question)
135
Back (Answer)
Cretaceous
#15
Front (Question)
65
Back (Answer)
Paleocene
#16
Front (Question)
35
Back (Answer)
Oligocene
#17
Front (Question)
25
Back (Answer)
Miocene
#18
Front (Question)
7-14
Back (Answer)
Pliocene
#19
Front (Question)
2-2.5
Back (Answer)
Pleistocene
#20
Front (Question)
20 thousand
Back (Answer)
Recent