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Pragian

The Pragian is one of three faunal stages in the Early Devonian Epoch. It lasted from 413.02 ± 1.91 million years ago to 410.62 ± 1.95 million years ago. It was preceded by the Lochkovian Stage and followed by the Emsian Stage. The most important Lagerstätte of the Pragian is Rhynie chert in Scotland. It is named after the city of Prague. The GSSP is…

Pragian life & Overview

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Celestial body
Earth
Chronological unit
Age
Lower boundary definition
FAD of the conodonts Eognathodus sulcatus and Latericriodus steinachensis Morph beta
Lower GSSP ratified
1989
Name formality
Formal
Name ratified
1985

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Overview

Pragian life

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Map overview Semantic statistics

Pragian

Nodes17
Edges16
Triples14
Avg. degree1.88
Density0.117647
Components1

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Pragian

Top relations

Celestial body · 1
Pragian → Earth
Chronological unit · 1
Pragian → Age
Lower boundary definition · 1
Pragian → FAD of the conodonts Eognathodus sulcatus and Latericriodus steinachensis Morph beta
Lower boundary GSSP · 1
Pragian → Velká Chuchle quarry, Prague, Czech Republic .mw-parser-output .geo-default,.mw-parser-output .geo-dms,.mw-parser-output .geo-dec{display:inline}.mw-parser-output .geo-nondefaul…
Lower GSSP ratified · 1
Pragian → 1989
Name formality · 1
Pragian → Formal
Name ratified · 1
Pragian → 1985
Regional usage · 1
Pragian → Global (ICS)
Stratigraphic unit · 1
Pragian → Stage
Time scale(s) used · 1
Pragian → ICS Time Scale

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Important terminology

stage prague lochkovian emsian early devonian 413 02 91 years ago 410 62 95 rhynie chert gssp velká chuchle time

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
PragianCelestial bodyEarth1.00infobox
PragianChronological unitAge1.00infobox
PragianLower boundary definitionFAD of the conodonts Eognathodus sulcatus and Latericriodus steinachensis Morph beta1.00infobox
PragianLower boundary GSSPVelká Chuchle quarry, Prague, Czech Republic .mw-parser-output .geo-default,.mw-parser-output .geo-dms,.mw-parser-output .geo-dec{display:inline}.mw-parser-output .geo-nondefaul…1.00infobox
PragianLower GSSP ratified19891.00infobox
PragianName formalityFormal1.00infobox
PragianName ratified19851.00infobox
PragianRegional usageGlobal (ICS)1.00infobox
PragianStratigraphic unitStage1.00infobox
PragianTime scale(s) usedICS Time Scale1.00infobox
PragianTime span formalityFormal1.00infobox
PragianUpper boundary definitionFAD of the conodont Polygnathus kitabicus1.00infobox
PragianUpper boundary GSSPZinzil'ban Gorge, Uzbekistan 39°12′00″N 67°18′20″E / 39.2000°N 67.3056°E / 39.2000; 67.30561.00infobox
PragianUpper GSSP ratified19951.00infobox

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