Category:Middle Paleozoic

Paleozoic era
Cambrian										Ordovician							Silurian								Devonian							Carboniferous							Permian
Terreneuvian (lower cambrian)		Cambrian Series 2		Miaolingian			Furongian (upper cambrian)			Early Ordovician (lower ordovician)		Richmondian (middle ordovician)		Late Ordovician (upper ordovician)			Llandovery			Wenlock		Ludlow		Pridoli	Early Devonian			Middle Devonian		Late Devonian		Mississippian			Pennsylvanian				Cisuralian				Guadalupian			Lopingian (upper permian)
Fortunian	Cambrian Stage 2	Cambrian Stage 3	Cambrian Stage 4	Wuliuan	Drumian	Guzhangian	Paibian	Jiangshanian	Cambrian Stage 10	Tremadocian	Floian	Dapingian	Darriwilian	Sandbian	Katian	Hirnantian	Rhuddanian	Aeronian	Telychian	Sheinwoodian	Homerian	Gorstian	Ludfordian		Lochkovian	Pragian	Emsian	Eifelian	Givetian	Frasnian	Famennian	Tournaisian (lower mississippian)	Viséan (middle mississippian)	Serpukhovian (upper mississippian)	Bashkirian (lower pennsylvanian)	Moscovian	Kasimovian (middle pennsylvanian)	Gzhelian	Asselian	Sakmarian	Artinskian	Kungurian	Roadian	Wordian	Capitanian	Wuchiapingian	Changhsingian

Subcategories

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