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Cretaceous–Paleogene extinction event

The Cretaceous–Paleogene (K–Pg) extinction event, formerly known as the Cretaceous-Tertiary (K–T) extinction event, was a major mass extinction of three-quarters (75%) of the plant and animal species on Earth which occurred around 66 million years ago. The event caused the extinction of all the non-avian dinosaurs and most other tetrapods weighing more…

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Extinction patterns

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Cretaceous–Paleogene extinction event

Nodes345
Edges344
Triples28
Avg. degree1.99
Density0.005797
Components1

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Cretaceous–Paleogene extinction event

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see also · 12
Cretaceous–Paleogene extinction event → Climate, Cretaceous, Devonian, Earth's, EarthLate Ordovician, Jurassic, Mass, Paleogene, Prehistoric, Research, Second, Triassic

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Important terminology

extinction pg boundary species event impact cretaceous years marine fossil mass dinosaurs chicxulub evidence would also extinct diversity became paleocene

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
sea turtlesinstance ofexcepting some ectothermic species0.80text
crocodiliansinstance ofexcepting some ectothermic species0.80text
horsesinstance ofevolving new forms0.80text
whalesinstance ofevolving new forms0.80text
batsinstance ofevolving new forms0.80text
and primatesinstance ofevolving new forms0.80text
iguanasinstance ofThe extinction of Cretaceous lizards and snakes may have led to the evolution of modern groups0.80text
monitor lizardsinstance ofThe extinction of Cretaceous lizards and snakes may have led to the evolution of modern groups0.80text
and boasinstance ofThe extinction of Cretaceous lizards and snakes may have led to the evolution of modern groups0.80text
enantiornithinesinstance ofincluding then-flourishing groups0.80text
hesperornithiformsinstance ofincluding then-flourishing groups0.80text
giving rise to neotropical rainforest biomes like the Amazoniainstance ofthe event also caused more general changes of flora0.80text

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