End-Cretaceous mass extinction

URI: https://gptkb.org/entity/End-Cretaceous_mass_extinction
GPTKB entity
Statements (33)
Predicate Object
gptkbp:instanceOf mass extinction event
gptkbp:alsoKnownAs gptkb:Cretaceous–Paleogene_extinction_event
gptkb:Cretaceous–Tertiary_extinction_event
gptkb:K–Pg_extinction_event
gptkbp:category gptkb:Paleogene_period
gptkb:Cretaceous_period
geology
paleontology
mass extinctions
gptkbp:causedBy gptkb:volcanic_activity_(Deccan_Traps)
gptkb:Chicxulub_asteroid_impact
climate change
sea level fall
gptkbp:causeOfExtinction gptkb:ammonites
pterosaurs
non-avian dinosaurs
many plant species
many marine invertebrates
many marine reptiles
gptkbp:evidence gptkb:microtektites
gptkb:shocked_quartz
Chicxulub crater in Yucatán Peninsula
iridium layer in geologic strata
gptkbp:followedBy gptkb:Paleogene_period
https://www.w3.org/2000/01/rdf-schema#label End-Cretaceous mass extinction
gptkbp:occurredIn about 66 million years ago
end of Cretaceous period
gptkbp:percentageOfSpeciesLost about 75% of species
gptkbp:precededBy gptkb:Cretaceous_period
gptkbp:significance allowed mammals to diversify
marked the end of the Mesozoic Era
gptkbp:bfsParent gptkb:Titanosaurs
gptkbp:bfsLayer 7