Stratigraphy
Pennsylvanian
25
Stratigraphy
Index
Index add'l
Type
Rank
Scope
Belongs to
Age (Ma)
Age
Base
Top
Bashkirian
c4
chronostratigraphy
Stage
global
Pennsylvanian323.2315.2
Moscovian
c5
chronostratigraphy
Stage
global
Pennsylvanian315.2307.0
Kasimovian
c6
chronostratigraphy
Stage
global
Pennsylvanian307.0303.7
Gzhelian
c7
chronostratigraphy
Stage
global
Pennsylvanian303.7298.9
25
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