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Toyonian
1693
Type
Age
Age range
513–510.2
Ma
International Timescale
Series 2
Stage 4
Siberian Regional
Amgan
Toyonian
Botoman
Russian Stages
Amgan
Toyonian
Botoman
513.0
512.8
512.6
512.4
512.2
512.0
511.8
511.6
511.4
511.2
511.0
510.8
510.6
510.4
510.2
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