Middle Pennsylvanian Bibliographic references: International Stratigraphic Chartabsolute age of base: 311700kyerror in absolute age of base: 0%Containing Unit: Pennsylvanianrank: Epoch/Series status: global Read more about Middle PennsylvanianAdd new comment
Moscovian Bibliographic references: International Stratigraphic Chartabsolute age of base: 311700kyerror in absolute age of base: 0%Containing Unit: Middle Pennsylvanianrank: Age/Stage status: global Read more about MoscovianAdd new comment