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Amgan
1694
Type
Age
Age range
510.2–504.5
Ma
International Timescale
Miaolingian
Drumian
Wuliuan
Series 2
Stage 4
Siberian Regional
Mayan
Amgan
Toyonian
Russian Stages
Mayan
Amgan
Toyonian
510.0
509.5
509.0
508.5
508.0
507.5
507.0
506.5
506.0
505.5
505.0
504.5
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