page_title: K/T extinction event
hierarchical_section_title: K/T extinction event
caption_attribution_description: English: This shaded relief image of Mexico's Yucatán Peninsula shows a subtle, but unmistakable, indication of the Chicxulub impact crater. Most scientists now agree that this impact was the cause of the Cretatious-Tertiary Extinction, the event 65 million years ago that marked the sudden extinction of the dinosaurs as well as the majority of life then on Earth.
context_page_description: The Cretaceous–Tertiary extinction event, now called the Cretaceous–Palaeogene extinction event, was about 65.5 million years ago. It may be called the K/T extinction event or K/Pg event for short. This is the famous event which killed the dinosaurs at the end of the Cretaceous period.
  It was a large-scale mass extinction of animal and plant species. The event marks the end of the Mesozoic era and the beginning of the Cainozoic era.
context_section_description: The Cretaceous–Tertiary extinction event, now called the Cretaceous–Palaeogene extinction event, was about 65.5 million years ago. It may be called the K/T extinction event or K/Pg event for short. This is the famous event which killed the dinosaurs at the end of the Cretaceous period.
  It was a large-scale mass extinction of  animal and plant species. The event marks the end of the Mesozoic era and the beginning of the Cainozoic era.
caption: This image of Mexico's Yucatán Peninsula show a subtle, but unmistakable, indication of the Chicxulub impact crater. Most scientists agree that this impact was the main cause of the Cretaceous-Tertiary extinction.
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