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Jurassic

The Jurassic (/dʒʊˈræsɪk/ juurr-ASS-ik) is a geologic period and stratigraphic system that lasted about 58.3 million years, spanning from the end of the Triassic Period 201.4 Ma (million years ago) to the beginning of the Cretaceous Period, 143.1 Ma. The Jurassic constitutes the second and middle period of the Mesozoic Era as well as the eighth period of…

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Chronological unit
Period
Lower boundary definition
First appearance of the ammonite Psiloceras spelae tirolicum.
Lower GSSP ratified
2010
Name formality
Formal
Regional usage
Global (ICS)
Stratigraphic unit
System

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Overview

Etymology and history

Geology

Paleogeography and tectonics

Climate

Flora

Fauna

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Map overview Semantic statistics

Jurassic

Nodes684
Edges683
Triples343
Avg. degree2
Density0.002924
Components1

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Jurassic

Top relations

related to Insects and arachnids · 60
Jurassic → Although, Apocrita, Archaeidae, Asia, Britain, Callovian, Cenozoic, China, Coccomorpha, Cymbaeremaeidae, Daohugou Bed, Early, Early Jurassic, Embioptera, Eoplectreurys, Eupnoi, Eurasia, Germany, Glossata, Hagloidea
related to Climate · 50
Jurassic → Aalenian, Aalenian-Bajocian, Bajocian, Barremian Cool Interval, Based, Central Atlantic, Dropstones, During, Early, Early Cretaceous, Early Jurassic Cool Interval, Early Tithonian Cooling Event, ETCE, Forests, Gondwana, Intermittent, It, Karoo-Ferrar, Kimmeridgian Warm Interval, KWI
related to Amphibians · 47
Jurassic → Anoual Formation, Anoualerpeton, Arizona, Asia, Asiatic, Australia, Bathonian, Beiyanerpeton, Brachyopidae, Britain, China, Chunerpeton, Cryptobranchoidea, Early, Early Jurassic, Enneabatrachus, Eocaecilia, Eurasia, France, Iridotriton
related to history · 31
Jurassic → Alexander, Alexandre Brongniart, Alps, Britain, Brongniart, Constitute, Crust, Description, During, Earth, Essai, Essay, France, French, German, Germany, He, Humboldt, In, Jura
related to Paleogeography and tectonics · 29
Jurassic → Africa, Asia, At, Atlantic, Baltic Shield, Beginning, Boreal Ocean, Callovian, Central Atlantic Magmatic Province, Cretaceous, During, Early Jurassic, Europe, Gondwana, Greenland, Laurasia, North, North America, North Atlantic Ocean, Pangaea
related to Mammaliaformes · 23
Jurassic → Australosphenida, Castorocauda, Early Cretaceous, Early Jurassic, Fruitafossor, Gondwana, Haramiyida, Juramaia, Late Jurassic, Mammaliaformes, Middle Jurassic, Northern Hemisphere, Rhaetian, Some, The, The Tritylodontidae, Therian, They, Triassic, Tritheledontidae
related to Geology · 18
Jurassic → Early, For, Geologists, Global Boundary Stratotype Section, GSSP, ICS, International Commission, Late, Lower Jurassic, Middle, Middle Jurassic, Point, Similarly, Stages, Stratigraphy, The, The Jurassic Period, Upper Jurassic
related to End-Triassic extinction · 13
Jurassic → An, Antarctica, At, Dicroidium, Early Jurassic, Europe, Gondwanan, Greenland, Lepidopteris, Patagonia, Peltaspermaceae, There, Triassic
related to Mineral and hydrocarbon deposits · 13
Jurassic → China, Ghawar Field, Iraq, Late Jurassic, Middle, Naokelekan, North Sea, Ordos Basin, Over, The Arabian Intrashelf Basin, The Jurassic-aged Sargelu, The Kimmeridge Clay, Turpan-Hami Basin
related to External links · 8
Jurassic → Encyclopædia Britannica, Examples, Foraminifera, Harbury, Jurassic FossilsJurassic, Vol, WarwickshireJurassic Microfossils, With

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Important terminology

early late middle first triassic known appeared living modern group oldest earliest boundary end appearance cretaceous diversity including extinction ammonite

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
JurassicChronological unitPeriod1.00infobox
JurassicLower boundary definitionFirst appearance of the ammonite Psiloceras spelae tirolicum.1.00infobox
JurassicLower boundary GSSPKuhjoch section, Karwendel mountains, Northern Calcareous Alps, Austria .mw-parser-output .geo-default,.mw-parser-output .geo-dms,.mw-parser-output .geo-dec{display:inline}.mw-p…1.00infobox
JurassicLower GSSP ratified20101.00infobox
JurassicName formalityFormal1.00infobox
JurassicRegional usageGlobal (ICS)1.00infobox
JurassicStratigraphic unitSystem1.00infobox
JurassicTime scale(s) usedICS Time Scale1.00infobox
JurassicTime span formalityFormal1.00infobox
JurassicUpper boundary definitionNot formally defined1.00infobox
JurassicUpper boundary definition candidatesMagnetic—base of Chron M18r1.00infobox
JurassicUpper boundary definition candidatesBase of Calpionellid zone B1.00infobox
JurassicUpper boundary definition candidatesFAD of ammonite Berriasella jacobi1.00infobox
JurassicUpper boundary GSSP candidate section(s)None1.00infobox
Jurassicis aextinct family Cheirolepidiaceae0.90text

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