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Aptian

Geologic period
The Aptian is an age in the geologic timescale or a stage in the stratigraphic column. It is a subdivision of the Early or Lower Cretaceous Epoch or Series and encompasses the time from 121.4 ± 1.0 Ma to 113.0 ± 1.0 Ma, approximately. Wikipedia
Occurred: 125 million years ago - 113 million years ago
Lower boundary definition: Not formally defined
Lower boundary GSSP candidate section(s): Gorgo a Cerbara, Piobbico, Central Apennines, Italy
Upper boundary definition: FAD of the Planktonic Foraminifer Microhedbergella renilaevis