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Telychian

In the geologic timescale, the Telychian is the third and final age of the Llandovery Epoch of the Silurian Period of the Paleozoic Era of the Phanerozoic Eon. The Telychian Age was between 438.6 ± 1.0 million years ago (Ma) and 432.9 ± 1.2 Ma. The Telychian Age succeeds the Aeronian Age and precedes the Sheinwoodian Age. The name of the interval is…

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Celestial body
Earth
Chronological unit
Age
Lower boundary definition
FAD of the graptolite Spirograptus guerichi
Lower GSSP ratified
2024
Name formality
Formal
Regional usage
Global (ICS)

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Ireviken event

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Telychian

Nodes26
Edges25
Triples16
Avg. degree1.92
Density0.076923
Components1

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Telychian

Top relations

Celestial body · 1
Telychian → Earth
Chronological unit · 1
Telychian → Age
Lower boundary definition · 1
Telychian → FAD of the graptolite Spirograptus guerichi
Lower boundary GSSP · 1
Telychian → El Pintado section, Seville, Spain .mw-parser-output .geo-default,.mw-parser-output .geo-dms,.mw-parser-output .geo-dec{display:inline}.mw-parser-output .geo-nondefault,.mw-pars…
Lower GSSP ratified · 1
Telychian → 2024
Name formality · 1
Telychian → Formal
Regional usage · 1
Telychian → Global (ICS)
Stratigraphic unit · 1
Telychian → Stage
Time scale(s) used · 1
Telychian → ICS Time Scale
Time span formality · 1
Telychian → Formal

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Important terminology

llandovery ireviken age event silurian years ago 432 boundary ics 438 upper lau mulde paleozoic aeronian sheinwoodian ma graptolite acritarch

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
TelychianCelestial bodyEarth1.00infobox
TelychianChronological unitAge1.00infobox
TelychianLower boundary definitionFAD of the graptolite Spirograptus guerichi1.00infobox
TelychianLower boundary GSSPEl Pintado section, Seville, Spain .mw-parser-output .geo-default,.mw-parser-output .geo-dms,.mw-parser-output .geo-dec{display:inline}.mw-parser-output .geo-nondefault,.mw-pars…1.00infobox
TelychianLower GSSP ratified20241.00infobox
TelychianName formalityFormal1.00infobox
TelychianRegional usageGlobal (ICS)1.00infobox
TelychianStratigraphic unitStage1.00infobox
TelychianTime scale(s) usedICS Time Scale1.00infobox
TelychianTime span formalityFormal1.00infobox
TelychianUpper boundary definitionImprecise. Currently placed between acritarch biozone 5 and LAD of Pterospathodus amorphognathoides. See Llandovery for more info.1.00infobox
TelychianUpper boundary definition candidatesA conodont boundary (Ireviken datum 2) which is close to the murchisoni graptolite biozone.1.00infobox
TelychianUpper boundary GSSPHughley Brook, Apedale, UK 52°34′52″N 2°38′20″W / 52.5811°N 2.6389°W / 52.5811; -2.63891.00infobox
TelychianUpper boundary GSSP candidate section(s)None1.00infobox
TelychianUpper GSSP ratified19801.00infobox
Telychianis athird and final age of the Llandovery Epoch of the Silurian Period of the Paleozoic Era of the Phanerozoic Eon0.90text

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