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Macrostrat
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Icriospathodus collinsoni
713
Type
Zone
Age range
248.3–247.6
Ma
International Timescale
Early Triassic
Olenekian
Conodont Zonation
Neospathodus triangularis
Icriospathodus collinsoni
Neospathodus pingdingshanensis
248.3
248.3
248.2
248.2
248.1
248.1
248.0
247.9
247.9
247.8
247.8
247.8
247.7
247.7
247.6
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