Valanginian
Geologic period
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In the geologic timescale, the Valanginian is an age or stage of the Early or Lower Cretaceous. It spans between 139.8 ± 3.0 Ma and 132.6 ± 2.0 Ma. The Valanginian Stage succeeds the Berriasian Stage of the Lower Cretaceous and precedes the... Wikipedia
Occurred: 139.8 million years ago - 132.9 million years ago
Epoch: Early Cretaceous
Lower boundary definition: Not formally defined
Lower boundary GSSP candidate section(s): Montbrun-les-Bains, Drôme, France; Cañada Luenga, Betic Cordillera, Spain
Organisms
