Ankstyvasis/Apatinis Ordovikas / Early/Lower Ordovician / Fühes/ Unteres Ordovizium / Ordovicien inférieur / Ordovícico Inferior / Tidlig/Nedre Ordovicium / Tidlig/undre ordovicium / Vara-/Alam-Ordoviitsium / Varhais/Ala-Ordoviikki / Vroeg/Onder Ordovicium / Wczesny/Dolny Ordowik / kora/alsó-ordovícium / odnSPí ordovik / ordoviciano inferiore / raný/odnSPý ordovik / zgodnji/odnjiSP ordovicij / äldre/undre ordovicium / Ранен/Долен Ордовик / 前期オルドビス紀 / 早奥陶世

http://resource.geosciml.org/classifier/ics/ischart/LowerOrdovician

label Lower Ordovician Epoch
alt label
オルドビス紀前期
下奥陶统
notation a1.1.3.5.3
broader
Ordovician Period
broader transitive
Paleozoic Era original
narrower transitive
LowerOrdovician
Phanerozoic Eon original
narrower transitive
LowerOrdovician
comment
older bound -485.4 +|-1.9 Ma
younger bound -470.0 +|-1.4 Ma
interval meets
Dapingian Age original
interval met by LowerOrdovician original
Middle Ordovician Epoch original
interval met by LowerOrdovician original
interval met by
Cambrian Period original
interval meets LowerOrdovician original
Cambrian Stage 10 Age original
interval meets LowerOrdovician original
Furongian Epoch original
interval meets LowerOrdovician original
narrower
Floian
Tremadocian
type
Epoch original
GeochronologicEra original
Resource original
Concept original
ProperInterval original
has beginning Base of Ordovician original
has end Base of Middle Ordovician original
in scheme International Chronostratigraphic Chart (2017) original
interval finished by
Floian Age original
broader
LowerOrdovician
interval finishes LowerOrdovician original
interval in LowerOrdovician original
interval in Ordovician original
interval started by
Tremadocian Age original
broader
LowerOrdovician
interval in LowerOrdovician original
interval starts LowerOrdovician original
interval starts Ordovician original
primary topic of LowerOrdovician original
same as LowerOrdovician original