-
-
an age in the ICS geologic timescale or a stage in the stratigraphic column. It is the youngest stage of the Pennsylvanian, the youngest subsystem of the Carboniferous
-
-
-
-
This stage is a geochronologic age or chronostratigraphic stage in the ICS geologic timescale. It is the second stage in the Pennsylvanian (late Carboniferous),
-
-
-
-
-
-
-
Moscovian is in the ICS geologic timescale a stage or age in the Pennsylvanian. It is the third, or second youngest, subdivion in the Carboninferous Age.
-
-
-
-
Bashkirian is in the ICS geologic timescale and is the lowest stage or oldest age of the Pennsylvanian Period.
-
-
-