noun
- subdivisions of geological epochs; smaller time periods within an epoch
Usage: geological; technical
Examples
- The Pleistocene epoch is divided into several subepochs based on climate changes.
- Geologists study subepochs to understand detailed evolutionary patterns.
- These subepochs help scientists date fossil discoveries more precisely.
- The research focused on mammalian evolution across three subepochs.
- Climate data from ice cores reveals distinct characteristics of different subepochs.