Aptian

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Aptian stage is a faunal stage of the Early Cretaceous epoch in the geologic timescale, that extends from 125 Ma to 112 Ma (million years ago), approximately. The Aptian stage succeeds the Barremian stage and precedes the Albian stage, all in the same epoch.

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Cretaceous period
Lower/Early Cretaceous Upper/Late Cretaceous
Berriasian | Valanginian | Hauterivian
Barremian | Aptian | Albian		 Cenomanian | Turonian | Coniacian
Santonian | Campanian | Maastrichtian
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