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Boundaries in the International Chronostratigraphic Chart original

label	Boundaries in the International Chronostratigraphic Chart
member	BaseAeronian original BaseAlbian original BaseAptian original BaseArchean original BaseArtinskian original BaseBajocian original BaseBarremian original BaseBartonian original BaseBathonian original BaseBurdigalian original BaseCalabrian original BaseCallovian original BaseCambrianSeries2 original BaseCambrianStage10 original BaseCambrianStage2 original BaseCambrianStage4 original BaseCampanian original BaseCapitanian original BaseCarboniferous original BaseCenozoic original BaseChanghsingian original BaseChattian original BaseConiacian original BaseCretaceous original BaseCryogenian original BaseDarriwilian original BaseDevonian original BaseDrumian original BaseEctasian original BaseEdiacaran original BaseEmsian original BaseEocene original BaseFamennian original BaseFloian original BaseFurongian original BaseGivetian original BaseGuadalupian original BaseGuzhangian original BaseGzhelian original BaseHauterivian original BaseHirnantian original BaseHolocene original BaseHomerian original BaseJiangshanian original BaseJurassic original BaseKatian original BaseKimmeridgian original BaseKungurian original BaseLadinian original BaseLanghian original BaseLateCretaceous original BaseLateDevonian original BaseLateJurassic original BaseLateMississippian original BaseLateOrdovician original BaseLatePennsylvanian original BaseLatePleistocene original BaseLateTriassic original BaseLopingian original BaseLudfordian original BaseLudlow original BaseLutetian original BaseMaastrichtian original BaseMeghalayan original BaseMesoarchean original BaseMesoproterozoic original BaseMesozoic original BaseMessinian original BaseMiaolingian original BaseMiddleDevonian original BaseMiddleJurassic original BaseMiddleMississippian original BaseMiddleOrdovician original BaseMiddlePennsylvanian original BaseMiddlePleistocene original BaseMiddleTriassic original BaseNeoarchean original BaseNeogene original BaseNeoproterozoic original BaseNorian original BaseNorthgrippian original BaseOlenekian original BaseOligocene original BaseOrdovician original BaseOrosirian original BasePaleoarchean original BasePennsylvanian original BasePermian original BasePhanerozoic original BasePiacenzian original BasePliensbachian original BasePliocene original BasePragian original BasePriabonian original BasePridoli original BaseProterozoic original BaseQuaternary original BaseRhaetian original BaseRhyacian original BaseSakmarian original BaseSantonian original BaseSelandian original BaseSerravallian original BaseSilurian original BaseSinemurian original BaseStatherian original BaseStenian original BaseTelychian original BaseThanetian original BaseTithonian original BaseToarcian original BaseTortonian original BaseTuronian original BaseValanginian original BaseWenlock original BaseWordian original FormationOfEarth original Present original

Geologic Timescale Elements in the International Chronostratigraphic Chart original

label	Geologic Timescale Elements in the International Chronostratigraphic Chart
member	Boundaries in the International Chronostratigraphic Chart original GeochronologicEras (all ranks) in the International Chronostratigraphic Chart original

GeochronologicEras (all ranks) in the International Chronostratigraphic Chart original

label	GeochronologicEras (all ranks) in the International Chronostratigraphic Chart
member	GeochronologicEras of rank "Age" original GeochronologicEras of rank "Eon" original GeochronologicEras of rank "Epoch" original GeochronologicEras of rank "Era" original GeochronologicEras of rank "Period" original GeochronologicEras of rank "Sub-Period" original GeochronologicEras of rank "Super-Eon" original

GeochronologicEras of rank "Age" original

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Aalenian original Aeronian original Albian original Anisian original Aptian original Aquitanian original Artinskian original Asselian original Bajocian original Barremian original Bartonian original Bashkirian original Bathonian original Berriasian original Burdigalian original Calabrian original Callovian original CambrianStage10 original CambrianStage2 original CambrianStage3 original CambrianStage4 original Campanian original Capitanian original Carnian original Cenomanian original Changhsingian original Chattian original Coniacian original Danian original Dapingian original Darriwilian original Drumian original Eifelian original Emsian original Famennian original Floian original Fortunian original Frasnian original Gelasian original Givetian original Gorstian original Greenlandian original Guzhangian original Gzhelian original Hauterivian original Hettangian original Hirnantian original Homerian original Induan original Jiangshanian original Kasimovian original Katian original Kimmeridgian original Kungurian original Ladinian original Langhian original Lochkovian original Ludfordian original Lutetian original Maastrichtian original Meghalayan original Messinian original MiddlePleistocene original Moscovian original Norian original Northgrippian original Olenekian original Oxfordian original Paibian original Piacenzian original Pliensbachian original Pragian original Priabonian original Rhaetian original Rhuddanian original Roadian original Rupelian original Sakmarian original Sandbian original Santonian original Selandian original Serpukhovian original Serravallian original Sheinwoodian original Sinemurian original Telychian original Thanetian original Tithonian original Toarcian original Tortonian original Tournaisian original Tremadocian original Turonian original UpperPleistocene original Valanginian original Visean original Wordian original Wuchiapingian original Wuliuan original Ypresian original Zanclean original

GeochronologicEras of rank "Eon" original

member	Archean original Hadean original Phanerozoic original Proterozoic original

GeochronologicEras of rank "Epoch" original

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CambrianSeries2 original Cisuralian original Eocene original Furongian original Guadalupian original Holocene original Llandovery original Lopingian original LowerCretaceous original LowerDevonian original LowerJurassic original LowerMississippian original LowerOrdovician original LowerPennsylvanian original LowerTriassic original Ludlow original Miaolingian original MiddleDevonian original MiddleJurassic original MiddleMississippian original MiddleOrdovician original MiddlePennsylvanian original MiddleTriassic original Miocene original Oligocene original Paleocene original Pleistocene original Pliocene original Pridoli original Terreneuvian original UpperCretaceous original UpperDevonian original UpperJurassic original UpperMississippian original UpperOrdovician original UpperPennsylvanian original UpperTriassic original Wenlock original

GeochronologicEras of rank "Era" original

member	Cenozoic original Eoarchean original Mesoarchean original Mesoproterozoic original Mesozoic original Neoarchean original Neoproterozoic original Paleoarchean original Paleoproterozoic original Paleozoic original

GeochronologicEras of rank "Period" original

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Calymmian original Cambrian original Carboniferous original Cretaceous original Cryogenian original Devonian original Ectasian original Ediacaran original Jurassic original Neogene original Ordovician original Orosirian original Paleogene original Permian original Quaternary original Rhyacian original Siderian original Silurian original Statherian original Stenian original Tonian original Triassic original

GeochronologicEras of rank "Sub-Period" original

member	Mississippian original Pennsylvanian original

GeochronologicEras of rank "Super-Eon" original

member	Precambrian original