In the geologic timescale, the Valanginian is an age or stage of the Early or Lower Cretaceous. It spans between 140.2 ± 3.0 Ma and 136.4 ± 2.0 Ma (million years ago). The Valanginian stage succeeds the Berriasian stage of the Lower Cretaceous and precedes the Hauterivian stage of the Lower Cretaceous. ==Stratigraphic definitions== The Valangini...
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http://en.wikipedia.org/wiki/Valanginian
European stage of the Lower Cretaceous, spanning the time between 131 and 122 million years ago.
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https://www.encyclo.co.uk/local/21202
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