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Stratigraphy
Serravallian
Belongs toMiocene
Typechronostratigraphy
RankStage
Scopeglobal
Statusformal standard
AuthorLorenzo Pareto
Year1865
EtymonSerravalle Scriviathe, town in northern Italy
Age top (Ma)11.63
Age base (Ma)13.82
Date changed2022-11-04
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