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Olenekian

Subdivision of the Triassic according to the ICS, as of 2024.Vertical axis scale: Millions of years agoEtymologyName formalityFormalUsage informationCelestial bodyEarthRegional usageGlobal (ICS)Time scale(s) usedICS Time ScaleDefinitionChronological unitAgeStratigraphic unitStageTime span formalityFormalLower boundary definitionNot formally definedLower boundary definition candidatesFAD of the ConodontNeospathodus waageniLower boundary GSSP candidate section(s)Mud (Muth) village, Spiti valley, IndiaUpper boundary definitionNot formally definedUpper boundary definition candidatesFAD of the Conodont Chiosella timorensisBase of magnetic zone MT1nUpper boundary GSSP candidate section(s), Northern Dobruja, RomaniaGuandao, Guizhou, ChinaIn the geologic timescale, the Olenekian is an age in the Early Triassicepoch; in chronostratigraphy, it is a stage in the Lower Triassicseries.

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