A geologic stage, or simply stage, is a chronostratigraphic unit of geologic time more commonly referred to as an "age" or "geologic age", its geochronologic name equivalent. Please refer to Geologic age or Geologic time scale for more information.
|Rank of Time Unit||Chronostratigraphic Name||Geochronologic Name|
|1 - Longest||Eonothem||Eon|
|5 - Shortest||Stage||Age|