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ShareThe Cretaceous-Tertiary extinction event was a period of massive extinction of species, about 65.5 million years ago.
It corresponds to the end of the Cretaceous Period and the beginning of the Tertiary Period.
For more information about the topic Cretaceous-Tertiary extinction event, read the full article at Wikipedia.org, or see the following related articles:
Cretaceous — The Cretaceous period is one of the major divisions of the geologic timescale, reaching from the end of the Jurassic period, about 146 million years ... > read more
Extinction event — An extinction event (also extinction-level event, ELE) occurs when a large number of species die out in a relatively short period of time. Since life ... > read more
Mesozoic — The Mesozoic Era is one of three geologic eras of the Phanerozoic eon. The Mesozoic includes three geologic periods: from oldest to youngest, they ... > read more
Permian-Triassic extinction event — The Permian-Triassic (P-T or PT) extinction event, sometimes informally called the Great Dying, was an extinction event that occurred approximately ... > read moreNote: This page refers to an article that is licensed under the GNU Free Documentation License. It uses material from the article Cretaceous-Tertiary extinction event at Wikipedia.org. See the Wikipedia copyright page for more details.
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