Hauterivian

The Hauterivian is a stage of the Early Cretaceous Epoch. It spans the time between 136.4 ± 2 Ma and 130 ± 1.5 Ma (million years ago).

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[edit] Fauna

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