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Which geologic period came before 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 the most recent period of the Cenozoic Era, beginning approximately 2.6 million years ago.123
The geologic period that immediately precedes the Quaternary is the Neogene Period. While the Cenozoic Era was traditionally divided into the Tertiary Period and the Quaternary Period, modern geologic classification formally divides the era into the Paleogene, Neogene, and Quaternary periods.231