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Which geologic era contains the Quaternary Period?
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Quaternary
Distribution of landmasses, mountainous regions, shallow seas, and deep ocean basins during the Quaternary Period. Included in the paleogeographic reconstruction are the locations of the interval's subduction zones.
The Quaternary Period is contained within the Cenozoic Era.12
It is the youngest period of the Cenozoic Era, beginning 2.588 million years ago and extending to the present day. While the Cenozoic has historically been divided into the Tertiary and Quaternary periods, it is now formally divided into the Paleogene, Neogene, and Quaternary periods.12