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  1. The CretaceousPaleogene (K–Pg) extinction event, also known as the Cretaceous–Tertiary (K–T) extinction, was a sudden mass extinction of three-quarters of the plant and animal species on Earth, approximately 66 million years ago. The event caused the extinction of all non-avian dinosaurs.

  2. 31 de jul. de 2019 · Learn about the two leading theories for what ended the age of the dinosaurs 66 million years ago: a giant meteor impact or massive volcanic eruptions. Explore the evidence, the challenges, and the controversies behind each hypothesis.

  3. 14 de nov. de 2022 · ¿Qué causó la extinción de los dinosaurios? Los enormes animales prehistóricos desaparecieron del planeta hace unos 66 millones de años. Los científicos apuntan a más de un factor para la extinción masiva. Comparación de dinosaurios de los períodos Triásico, Jurásico y Cretácico. Ilustrado por ROY ANDERSEN. Por Redacción National Geographic.

  4. Hace 65 millones de años se extinguió el último dinosaurio. Los gigantescos mosasaurios y plesiosaurios en los mares y los pterosaurios en los cielos. Muchas familias de braquiópodos y esponjas de mar desaparecieron. Los restantes ammonites de concha dura se esfumaron.

  5. Learn about the possible causes of the Cretaceous extinction that ended the age of the dinosaurs 66 million years ago. Find out how asteroid impact, volcanic eruptions and climate change may have contributed to the mass extinction.

  6. Extinction. A misconception commonly portrayed in popular books and media is that all the dinosaurs died out at the same time—and apparently quite suddenly—at the end of the Cretaceous Period, 66 million years ago. This is not entirely correct, and not only because birds are a living branch of dinosaurian lineage.

  7. Learn how a massive asteroid impact 66 million years ago caused the extinction of 75% of Earth's animals, including non-bird dinosaurs. Discover the evidence, the theory and the aftermath of this global catastrophe.