Berriasian
Geologic period
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In the geological timescale, the Berriasian is an age/stage of the Early/Lower Cretaceous. It is the oldest subdivision in the entire Cretaceous. It has been taken to span the time between 145.0 ± 4.0 Ma and 139.8 ± 3.0 Ma. The Berriasian succeeds... Wikipedia
Occurred: 145 million years ago - 139.8 million years ago
Epoch: Early Cretaceous
Fossils: FC-6A
Age: between 145 million and 139.8 million years ago
Chronological unit: Age
Lower boundary definition: Undefined
Organisms
