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
|