Cretaceous-Tertiary extinction

GPTKB entity

Statements (27)
Predicate Object
gptkbp:instanceOf mass extinction event
gptkbp:alsoKnownAs gptkb:Cretaceous–Paleogene_extinction_event
gptkb:K–T_extinction_event
gptkbp:causedBy gptkb:volcanic_activity
climate change
asteroid impact
gptkbp:demarcatedBy gptkb:K–T_boundary
iridium layer
gptkbp:followedBy gptkb:Paleogene_period
https://www.w3.org/2000/01/rdf-schema#label Cretaceous-Tertiary extinction
gptkbp:majorImpactSite gptkb:Chicxulub_crater
gptkbp:occurredIn about 66 million years ago
end of Cretaceous period
gptkbp:percentageOfSpeciesLost about 75%
gptkbp:precededBy gptkb:Cretaceous_period
gptkbp:relatedTo gptkb:Alvarez_hypothesis
gptkb:Deccan_Traps_volcanism
mass extinction events
gptkbp:resultedIn extinction of non-avian dinosaurs
extinction of ammonites
extinction of many marine reptiles
extinction of many plant species
gptkbp:significance beginning of Cenozoic Era
end of Mesozoic Era
gptkbp:studiedBy paleontologists
gptkbp:bfsParent gptkb:Cretaceous-Paleogene_extinction
gptkbp:bfsLayer 7