Cretaceous–Paleogene extinction event

URI: https://gptkb.org/entity/Cretaceous–Paleogene_extinction_event
GPTKB entity
Statements (29)
Predicate Object
gptkbp:instanceOf gptkb:mass_extinction_event
gptkbp:alsoKnownAs gptkb:Cretaceous–Tertiary_extinction_event
gptkb:K–Pg_extinction_event
gptkbp:causedBy gptkb:volcanic_activity
climate change
asteroid impact
gptkbp:demarcatedBy gptkb:K–Pg_boundary
gptkbp:evidence gptkb:Chicxulub_crater
iridium layer
gptkbp:followedBy gptkb:Paleogene_period
gptkbp:notableFor major faunal turnover
mass extinction of dinosaurs
gptkbp:occurredIn about 66 million years ago
end of Cretaceous period
gptkbp:precededBy gptkb:Cretaceous_period
gptkbp:resultedIn extinction of non-avian dinosaurs
extinction of ammonites
extinction of many marine reptiles
extinction of many plant species
loss of about 75% of Earth's species
gptkbp:significance beginning of Cenozoic Era
end of Mesozoic Era
gptkbp:studiedBy paleontologists
gptkbp:bfsParent gptkb:Alvarez_hypothesis_(dinosaur_extinction)
gptkb:Alvarez_hypothesis_(dinosaur_extinction_by_asteroid_impact)
gptkb:Late_Cretaceous_period
gptkb:Squid_(Belemnitida)
gptkbp:bfsLayer 5
https://www.w3.org/2000/01/rdf-schema#label Cretaceous–Paleogene extinction event