Subcommission on Cretaceous Stratigraphy
Overall objectives of the Subcommission on Cretaceous Stratigraphy (SCS) and fit within IUGS science policy are:
- to establish a standard global stratigraphic subdivision and nomenclature for the Cretaceous, as part of the ICS standard global stratigraphic scale;
- to produce a stratigraphic table displaying agreed subdivision to stage and substage level marking boundaries that are defined by a GSSP.
Cretaceous
Late
Early
Maastrichtian66.04
Campanian72.17
Santonian83.65
Coniacian85.7
Turonian89.39
Cenomanian93.9
Albian100.5
Aptian113.2
Barremian121.4
Hauterivian126.5
Valanginian132.6
Berriasian137.7
143.1