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LocNo: 7870Upper Visean
Country: Russian Federation
Province: Subpolar Urals, Komi, Betyu River
Locality: Betyu River
Layer: Upper Visean
Lower Boundary: Beyrichoceras BZ top, 332.1 million years
Upper Boundary: DER Go beta--gamma, granos.base [P1--P2], 328.2 million years
Georeference: