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Urzhumian
1780
Type
Age
Age range
266.9–264.28
Ma
International Timescale
Guadalupian
Capitanian
Wordian
Roadian
Russian Platform Regional Stages
Severodvinian
Urzhumian
Russian Stages
Severodvinian
Urzhumian
Kazanian
267.0
266.8
266.6
266.4
266.2
266.0
265.8
265.6
265.4
265.2
265.0
264.8
264.6
264.4
264.2
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