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The Cretaceous–Paleogene (K–Pg) extinction event, [a] also known as the Cretaceous–Tertiary (K–T) extinction, [b] was the mass extinction of three-quarters of the plant and animal species on Earth [2][3] approximately 66 million years ago. The event caused the extinction of all non-avian dinosaurs.
Since the 19th century, a significant amount of research has been conducted on the Cretaceous–Paleogene extinction event, the mass extinction that ended the dinosaur -dominated Mesozoic Era and set the stage for the Age of Mammals, or Cenozoic Era. A chronology of this research is presented here.
Alvarez hypothesis. The Alvarez hypothesis posits that the mass extinction of the non-avian dinosaurs and many other living things during the Cretaceous–Paleogene extinction event was caused by the impact of a large asteroid on the Earth. Prior to 2013, it was commonly cited as having happened about 65 million years ago, but Renne and ...
Discovery Channel. Release. August 28, 2010. (2010-08-28) Last Day of the Dinosaurs is a 2010 Discovery Channel television documentary about the extinction of the non-avian dinosaurs. [1] It portrays the Alvarez hypothesis as the cause of extinction. The documentary was released on August 28, 2010 and narrated by Bill Mondy.
The oldest grape seed fossils found so far were unearthed in India and date back 66 million years, to about the time of the dinosaurs’ demise. “We always think about the animals, the dinosaurs ...
We knew that an asteroid heralded the end of the age of the dinosaurs. Now researchers say they have discovered a key element in their extinction Scientists believe they have finally uncovered ...
The history of paleontology traces the history of the effort to understand the history of life on Earth by studying the fossil record left behind by living organisms. Since it is concerned with understanding living organisms of the past, paleontology can be considered to be a field of biology, but its historical development has been closely tied to geology and the effort to understand the ...
ISBN. 978-0-06-249043-8. The Rise and Fall of the Dinosaurs: A New History of a Lost World is a 2018 book by paleontologist Steve Brusatte. The book chronicles the evolution of dinosaurs, their rise as the dominant species, and ends with an account of their extinction from the Chicxulub asteroid. It also includes a discussion of the evolution ...