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Intervals
Macrostrat
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Topazan
509
Type
Supereon
Age range
506.5–504.5
Ma
International Timescale
Miaolingian
Drumian
Wuliuan
Series 2
Stage 4
North American Regional
Marjuman
Topazan
Delamaran
506.5
506.4
506.3
506.2
506.1
506.0
505.9
505.8
505.7
505.6
505.5
505.4
505.3
505.2
505.1
505.0
504.9
504.8
504.7
504.6
504.5
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