PBDB Interval Range

307 - 274.4 Ma

International Chronostratigraphic Timescale			Carboniferous Subepochs
Permian	Lopingian	Changhsingian		251.902
	Lopingian	Wuchiapingian		254.14
	Guadalupian	Capitanian		259.51
		Wordian		264.28
		Roadian		266.9
	Cisuralian	Kungurian		274.4
		Artinskian		283.3
		Sakmarian		290.1
		Asselian		293.52
Carboniferous	Pennsylvanian	Gzhelian	Late Pennsylvanian	298.9
		Kasimovian	Late Pennsylvanian	303.7
		Moscovian	Middle Pennsylvanian	307
		Bashkirian	Early Pennsylvanian	315.2
	Mississippian	Serpukhovian	Late Mississippian	323.4
		Visean	Middle Mississippian	330.3
		Tournaisian	Early Mississippian	346.7
				358.86