Stratigraphy
Upper Triassic
25
Stratigraphy
Index
Index add'l
Type
Rank
Scope
Belongs to
Age (Ma)
Age
Base
Top
Carnian
chronostratigraphy
Stage
global
Upper Triassic237.0227.0
Norian
chronostratigraphy
Stage
global
Upper Triassic227.0208.5
Rhaetian
chronostratigraphy
Stage
global
Upper Triassic208.5201.4
25
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