Cretaceous

E1446

The Cretaceous was the final period of the Mesozoic Era, marked by high sea levels, diverse dinosaurs, and ending with the mass extinction that wiped them out about 66 million years ago.

AI illustration

How this image was made

AI-generated illustration of Cretaceous

This AI-generated illustration was produced by black-forest-labs/FLUX.2-dev (1024x1024) from a prompt written by openai/gpt-oss-120b from the entity's label + description.

Prompt

Generate an image of the Cretaceous (The Cretaceous was the final period of the Mesozoic Era, marked by high sea levels, diverse dinosaurs, and ending with the mass extinction that wiped them out about 66 million years ago.)

All labels observed (8)

How this entity was disambiguated

Statements (48)

Predicate Object
instanceOf geological period ⓘ
stratigraphic unit ⓘ
associatedWith Chicxulub impact event ⓘ
Deccan Traps volcanism ⓘ
biota abundant ammonites in marine ecosystems ⓘ
diverse theropod and sauropod dinosaurs ⓘ
dominance of conifers in many forests ⓘ
early evolution of marsupial mammals ⓘ
early evolution of placental mammals ⓘ
expansion of reef-building rudist bivalves ⓘ
characterizedBy active plate tectonics ⓘ
breakup of supercontinent Pangaea ⓘ
chalk deposition in many marine basins ⓘ
diverse dinosaur faunas ⓘ
extensive shallow epicontinental seas ⓘ
flowering plant diversification ⓘ
high global sea levels ⓘ
warm greenhouse climate ⓘ
chronostratigraphicRank system ⓘ
climate generally ice-free poles ⓘ
high atmospheric CO2 levels ⓘ
duration approximately 79 million years ⓘ
endedWith Cretaceous–Paleogene extinction event ⓘ
linked to: Cretaceous

mass extinction about 66 million years ago ⓘ
endTime approximately 66 million years ago ⓘ
followedBy Paleogene ⓘ
follows Jurassic ⓘ
geochronologicalRank period ⓘ
hasBoundaryEvent Cretaceous–Paleogene boundary ⓘ
Jurassic–Cretaceous boundary ⓘ
linked to: Jurassic
hasSubdivision Early Cretaceous ⓘ
Late Cretaceous ⓘ
nameOrigin Latin word "creta" meaning chalk ⓘ
notableFor diversification of birds ⓘ
diversification of mammals ⓘ
extinction of non-avian dinosaurs ⓘ
large flying reptiles such as pterosaurs ⓘ
large marine reptiles such as mosasaurs and plesiosaurs ⓘ
rise of angiosperms ⓘ
paleogeography continued separation of Gondwana ⓘ
development of modern ocean basins ⓘ
opening of the South Atlantic Ocean ⓘ
partOf Mesozoic Era ⓘ
Mesozoic Era time scale ⓘ
Phanerozoic Eon ⓘ
precededBy Jurassic Period ⓘ
startTime approximately 145 million years ago ⓘ
succeededBy Paleogene Period ⓘ
linked to: Paleogene

How these facts were elicited

Referenced by (100)

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

Mount Whitney → geologicalAge → Cretaceous ⓘ
Cretaceous → endedWith → Cretaceous–Paleogene extinction event ⓘ
linked to: Cretaceous
Deccan Traps volcanism → beganInPeriod → Late Cretaceous ⓘ
linked to: Cretaceous
Cretaceous–Paleogene boundary → marksTransitionBetween → Cretaceous Period ⓘ
linked to: Cretaceous
Jurassic Period → precedes → Cretaceous Period ⓘ
linked to: Cretaceous
Mesozoic Era → hasPart → Cretaceous Period ⓘ
linked to: Cretaceous
El Capitan → geologicalAge → Cretaceous ⓘ
North Downs → geologicalPeriod → Cretaceous ⓘ
Phanerozoic Eon → contains → Cretaceous Period ⓘ
linked to: Cretaceous
International Chronostratigraphic Chart → includes → Cretaceous Period ⓘ
linked to: Cretaceous
DinoLand U.S.A. → targetTheme → Cretaceous period ⓘ
linked to: Cretaceous
Late Jurassic → precedes → Early Cretaceous ⓘ
linked to: Cretaceous
Maastrichtian → partOf → Cretaceous Period ⓘ
linked to: Cretaceous
Maastrichtian → endOf → Cretaceous Period ⓘ
linked to: Cretaceous
Maastrichtian → system → Cretaceous System ⓘ
linked to: Cretaceous
Maastrichtian → series → Upper Cretaceous Series ⓘ
linked to: Cretaceous
FMNH PR 2081 → geologicalPeriod → Late Cretaceous ⓘ
linked to: Cretaceous
Tyrannosaurus → timePeriod → Late Cretaceous ⓘ
linked to: Cretaceous
Alpha Ridge → formedDuring → Cretaceous period ⓘ
linked to: Cretaceous
Greensand Ridge → geologicalPeriod → Cretaceous ⓘ
Prehistoric Planet → depicts → Cretaceous period ⓘ
linked to: Cretaceous
Kentish ragstone → geologicalAge → Cretaceous ⓘ
Gondwana → fullyFragmentedBy → Cretaceous Period ⓘ
linked to: Cretaceous
Jurassic Coast → geologicalTimeSpan → Cretaceous period ⓘ
linked to: Cretaceous
Sousa → hasGeologicalPeriodFossils → Cretaceous ⓘ
Beachy Head → inGeologicPeriod → Cretaceous ⓘ
Monteregian Hills → geologicalAge → Cretaceous ⓘ
Aequornithes → timeOfOrigin → Cretaceous period ⓘ
linked to: Cretaceous
Afrotheria → hasTemporalOrigin → Cretaceous period ⓘ
linked to: Cretaceous
Tethys Ocean → existedDuring → Cretaceous period ⓘ
linked to: Cretaceous
Esociformes → hasFossilRecordSince → Cretaceous ⓘ
Osteoglossidae → fossilRecord → Cretaceous ⓘ
Spirits of the Ice Forest → depicts → Cretaceous period ⓘ
linked to: Cretaceous
Spinosaurus → fossilRange → Cretaceous ⓘ
Archosauria → fossilRecord → Cretaceous ⓘ
Gantheaume Point → dinosaurFootprintsAge → Cretaceous period ⓘ
linked to: Cretaceous
Kerguelen Plateau → formedDuring → Cretaceous period ⓘ
linked to: Cretaceous
Acanthopterygii → timeOfOrigin → Cretaceous period ⓘ
linked to: Cretaceous
Yanshanian orogeny → endTime → Cretaceous ⓘ
Lulworth Cove → geologicalPeriod → Cretaceous ⓘ
Late Cretaceous → partOf → Cretaceous Period ⓘ
linked to: Cretaceous
Greensand → hasGeologicalAge → Cretaceous period ⓘ
linked to: Cretaceous
MPEF-PV 3400 → geologicalAge → Cretaceous ⓘ