Cretaceous–Tertiary extinction event

URI: https://gptkb.org/entity/Cretaceous–Tertiary_extinction_event
GPTKB entity
Statements (35)
Predicate Object
gptkbp:instanceOf 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
https://www.w3.org/2000/01/rdf-schema#label Cretaceous–Tertiary extinction event
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 5