Cretaceous–Tertiary extinction event

GPTKB entity

Predicate	Object
gptkbp:instanceOf	gptkb:mass_extinction_event
gptkbp:alsoKnownAs	gptkb:Cretaceous–Paleogene_extinction_event gptkb:K–T_extinction_event
gptkbp:asteroidImpactLocation	gptkb:Yucatán_Peninsula,_Mexico
gptkbp:asteroidImpactSite	gptkb:Chicxulub_crater
gptkbp:borders	gptkb:Mesozoic_era gptkb:Paleogene_period gptkb:Cretaceous_period gptkb:Cenozoic_era
gptkbp:causedBy	gptkb:volcanic_activity climate change asteroid impact sea level changes
gptkbp:causeOfExtinction	gptkb:ammonites pterosaurs non-avian dinosaurs many plant species many marine invertebrates many marine reptiles many plankton species
gptkbp:evidence	gptkb:microtektites gptkb:shocked_quartz iridium layer
gptkbp:occurredIn	about 66 million years ago end of Cretaceous period
gptkbp:percentageOfSpeciesExtinct	about 75%
gptkbp:significance	rise of mammals end of dinosaurs major evolutionary turnover
gptkbp:studiedBy	geologists paleontologists
gptkbp:volcanicActivityLocation	Deccan Traps, India
gptkbp:bfsParent	gptkb:Cretaceous–Paleogene_extinction_event
gptkbp:bfsLayer	6
https://www.w3.org/2000/01/rdf-schema#label	Cretaceous–Tertiary extinction event