
Cretaceous–Paleogene extinction event - Wikipedia
The Cretaceous–Paleogene (K–Pg) extinction event, [a] formerly known as the Cretaceous-Tertiary (K–T) extinction event, [b] was a major mass extinction of three-quarters of the plant …
K–T extinction | Overview & Facts | Britannica
Nov 7, 2025 · K–T extinction, a global mass extinction event responsible for eliminating approximately 80 percent of all species of animals at or very close to the boundary between …
How the K-T Boundary Changed Life Forever: A New Era for …
Dec 21, 2024 · The K-T Boundary marks one of the most significant turning points in Earth’s history. This event, which occurred about 65 million years ago, led to the extinction of the …
Why Did the Dinosaurs Die Out? - Causes & Dates - HISTORY
Mar 24, 2010 · The Cretaceous-Tertiary extinction event, or the K-T event, is the name given to the die-off of the dinosaurs and other species that took place some 65.5 million years ago.
12.3: The K-T Extinction - Geosciences LibreTexts
This extinction event was likely caused by a large bolide (an extraterrestrial impactor such as an asteroid, meteoroid, or comet) that collided with earth. Ninety percent of plankton species, …
The Legendary K-T Extinction Event and Its Effect on Dinosaurs
Oct 22, 2025 · Approximately 66 million years ago, a catastrophic event occurred that reshaped life on Earth in dramatic ways: the K-T extinction event. Named after the boundary between …
K-T Event - Encyclopedia.com
The K-T event (Cretaceous-Tertiary event) refers to the mass extinction of the dinosaurs that took place approximately 65 million years ago (mya). In addition to the dinosaurs, most large land …
The K/T Dinosaur Extinction Event - ThoughtCo
Feb 28, 2018 · Today, most paleontologists agree that the K/T meteorite (or comet) was the prime cause of the extinction of the dinosaurs — and in 2010, an international panel of experts …
The Cretaceous-Paleogene Extinction Event - WorldAtlas
Dec 6, 2019 · The Cretaceous-Paleogene extinction is also known by several names including Cretaceous-Tertiary, K-T extinction, or K-Pg extinction. It is probably the best-known global …
Chicxulub Impact Event - Lunar and Planetary Institute (LPI)
The abbreviation for the boundary between the Cretaceous and Tertiary periods is the K-T boundary, where K is the abbreviation for the German form of the word Cretaceous. This …