Lexicon
Intervals
Macrostrat
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Phanerozoic
275
Type
Eon
Age range
538.8–0
Ma
International Timescale
also
International Eons
Phanerozoic
Cenozoic
Mesozoic
Paleozoic
Proterozoic
Neoproterozoic
560
540
520
500
480
460
440
420
400
380
360
340
320
300
280
260
240
220
200
180
160
140
120
100
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60
40
20
0
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