Early Cretaceous
Sign in to saveAlso known as Lower Cretaceous, Lower Cretaceous Series, Early Cretaceous Epoch
first geologic series and epoch of the Cretaceous system and period
~8 min read
Encyclopedic overview
Subdivision of the Cretaceous according to the ICS, as of 2024. Vertical axis scale: Millions of years ago
Etymology Chronostratigraphic nameLower Cretaceous Geochronological nameEarly Cretaceous Name formalityFormal Usage information Celestial bodyEarth Regional usageGlobal (ICS) Time scale(s) usedICS Time Scale Definition Chronological unitEpoch Stratigraphic unitSeries Time span formalityFormal Lower boundary definitionNot formally defined Lower boundary definition candidates Magnetic—base of Chron M18r
Excerpted from Wikipedia’s “Early Cretaceous” article, available under the CC BY-SA 4.0 licence.