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The Cretaceous–Paleogene (K–Pg) extinction event, [a] also known as the 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.
Artist's rendering of the Chicxulub asteroid entering Earth's atmosphere 66 million years ago, triggering events that caused a mass extermination. ... How did cockroaches survive the asteroid that ...
Some deep sea creatures somehow managed to survive the asteroid impact that wiped out the dinosaurs 65 million years ago.
Permian–Triassic boundary at Frazer Beach in New South Wales, with the End Permian extinction event located just above the coal layer [2]. Approximately 251.9 million years ago, the Permian–Triassic (P–T, P–Tr) extinction event (PTME; also known as the Late Permian extinction event, [3] the Latest Permian extinction event, [4] the End-Permian extinction event, [5] [6] and colloquially ...
An ornithurine, also present in the Lance Formation and Fort Union Formation, one of the few individual bird species known to have survived the Cretaceous–Paleogene extinction [90] "Unnamed ornithurine D" [90] Unnamed Montana [90] UCMP 187207, a partial coracoid [90] An ichthyornithean also present in the Frenchman Formation [90]
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Crocodilians survived the K–Pg extinction event that killed off the non-avian dinosaurs. Tuatara are reptiles, yet retain more primitive characteristics than lizards and snakes. The goblin shark is the only extant representative of the family Mitsukurinidae , a lineage some 125 million years old ( early Cretaceous ).
The asteroid that ended the Mesozoic destroyed all trees as well as animals in the open, a condition that took centuries [citation needed] to recover from. The Anseriformes and Galliformes are thought to have survived in the cover of burrows and water, and not to have needed trees for food and reproduction. [2]