Jurassic Period

E9585
division of the Mesozoic Era geological period

The Jurassic Period was a major division of the Mesozoic Era characterized by warm climates, the dominance and diversification of dinosaurs, and the early evolution of birds.

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All labels observed (4)

Label Occurrences
Jurassic Period canonical 14
Jurassic period 13
Jurassic System 7

Statements (53)

Predicate Object
instanceOf division of the Mesozoic Era ⓘ
geological period ⓘ
characterizedBy abundant marine reptiles ⓘ
active plate tectonics ⓘ
ammonite diversification ⓘ
breakup of the supercontinent Pangaea ⓘ
diversification of dinosaurs ⓘ
dominance of dinosaurs on land ⓘ
early evolution of birds ⓘ
extensive shallow epicontinental seas ⓘ
high sea levels ⓘ
humid conditions in many regions ⓘ
lush vegetation ⓘ
opening of the Atlantic Ocean ⓘ
reef-building by sponges and corals ⓘ
volcanism in many regions ⓘ
warm climate ⓘ
climateComparedToToday generally warmer ⓘ
duration about 56 million years ⓘ
end about 145 million years ago ⓘ
follows Triassic ⓘ
surface form: Triassic Period
hasCommonDinosaurs ornithopods ⓘ
sauropods ⓘ
stegosaurs ⓘ
theropods ⓘ
hasCommonMarineInvertebrates ammonites ⓘ
belemnites ⓘ
hasCommonMarineReptiles ichthyosaurs ⓘ
plesiosaurs ⓘ
pliosaurs ⓘ
hasCommonPlants conifers ⓘ
cycads ⓘ
ferns ⓘ
ginkgos ⓘ
horsetails ⓘ
hasDominantTerrestrialVertebrates dinosaurs ⓘ
hasFirstAppearance archaeopterygiform birds ⓘ
many modern groups of insects ⓘ
true birds ⓘ
hasNotableFossilSite Morrison Formation ⓘ
Oxford Clay ⓘ
Solnhofen Limestone ⓘ
nameCoinedBy Alexandre Brongniart ⓘ
nameCoinedIn early 19th century ⓘ
namedAfter Jura Mountains ⓘ
oceanOxygenLevels generally high with some anoxic events ⓘ
partOf Mesozoic Era ⓘ
polarRegions warmer and largely ice-free ⓘ
precedes Cretaceous ⓘ
surface form: Cretaceous Period
start about 201.3 million years ago ⓘ
subdividedInto Early Jurassic ⓘ
Late Jurassic ⓘ
Middle Jurassic ⓘ

Referenced by (35)

Full triples — surface form annotated when it differs from this entity's canonical label.

Cretaceous → precededBy → Jurassic Period ⓘ
Cupressaceae → hasFossilRecordSince → Jurassic Period ⓘ
this entity surface form: Jurassic period
Mesozoic Era → hasPart → Jurassic Period ⓘ
Phanerozoic Eon → contains → Jurassic Period ⓘ
Early Jurassic → partOf → Jurassic Period ⓘ
International Chronostratigraphic Chart → includes → Jurassic Period ⓘ
Oxford Clay → stratigraphicUnitOf → Jurassic Period ⓘ
this entity surface form: Jurassic System
Jessica Whiteside → studiesPeriod → Jurassic Period ⓘ
Late Jurassic → partOf → Jurassic Period ⓘ
Cryptodira → geologicFirstAppearance → Jurassic Period ⓘ
this entity surface form: Jurassic period
Aztec Sandstone → geologicPeriod → Jurassic Period ⓘ
Gondwana → beganRiftingDuring → Jurassic Period ⓘ
Jurassic Coast → geologicalTimeSpan → Jurassic Period ⓘ
this entity surface form: Jurassic period
Anthony Hallam → studies → Jurassic Period ⓘ
this entity surface form: Jurassic period
Juramaia → temporalRange → Jurassic Period ⓘ
this entity surface form: Jurassic period
Global Boundary Stratotype Section and Point for base of Hettangian → marksBaseOf → Jurassic Period ⓘ
this entity surface form: Jurassic System
Global Boundary Stratotype Section and Point for base of Hettangian → marksBaseOf → Jurassic Period ⓘ
Global Boundary Stratotype Section and Point for base of Hettangian → definesBoundaryBetween → Jurassic Period ⓘ
this entity surface form: Jurassic System
Tethys Ocean → existedDuring → Jurassic Period ⓘ
this entity surface form: Jurassic period
Triassic–Jurassic extinction event → occursAtBoundaryOf → Jurassic Period ⓘ
traprock ridge → geologicalPeriod → Jurassic Period ⓘ
subject surface form: Traprock Ridge
this entity surface form: Jurassic period
Toarcian → locatedInTimeScale → Jurassic Period ⓘ
Cruel Sea → setInPeriod → Jurassic Period ⓘ
this entity surface form: Jurassic period
Walking with Dinosaurs: The Live Experience → depicts → Jurassic Period ⓘ
this entity surface form: Jurassic period
Sundance Formation → partOf → Jurassic Period ⓘ
this entity surface form: Jurassic System
Corallian Group → partOf → Jurassic Period ⓘ
this entity surface form: Jurassic System
Kellaways Formation → partOf → Jurassic Period ⓘ
this entity surface form: Jurassic System
Middle Jurassic → partOf → Jurassic Period ⓘ
Tithonian → partOf → Jurassic Period ⓘ
Apocrita → fossilRecordFrom → Jurassic Period ⓘ
this entity surface form: Jurassic period
Hettange-Grande Formation → partOf → Jurassic Period ⓘ
this entity surface form: Jurassic System
Hettangian stage → partOf → Jurassic Period ⓘ
this entity surface form: Jurassic period
Hettangian stage → startOf → Jurassic Period ⓘ
this entity surface form: Jurassic period
Hettangian stage → earliestAgeOf → Jurassic Period ⓘ
this entity surface form: Jurassic period
Hettangian stage → system → Jurassic Period ⓘ
this entity surface form: Jurassic system