Triassic
General info
Belongs to
Type chronostratigraphy
Rank System
Scope global
Status formal standard
Author Friedrich August von Alberti
Year 1834
Etymon Three distinct rock layers (tri meaning "three") that are found throughout Southern Germany
Age top (Ma) 201.4
Age base (Ma) 251.902
Index
T
Date changed 2022-11-04
ReferenceContentYear1PagesRemarks
Gradstein et al., 2004
2004
Gradstein et al., 2012
2012
Ogg et al., 2020
2020
903-954