Lexicon
Intervals
Macrostrat
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Chewtonian
1007
Type
Age
Age range
472.4–471.3
Ma
International Timescale
Middle Ordovician
Dapingian
Early Ordovician
Floian
New Zealand Ages
Castlemainian
Chewtonian
Bendigonian
Australian Regional
Castlemainian
Chewtonian
Bendigonian
472.4
472.4
472.3
472.3
472.2
472.1
472.1
472.1
472.0
471.9
471.9
471.9
471.8
471.8
471.7
471.6
471.6
471.6
471.5
471.4
471.4
471.4
471.3
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