<?xml version="1.0" encoding="utf-8"?><mads xmlns="http://www.loc.gov/mads/" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/mads/
mads.xsd"><authority><topic authority="http://AATesaurus.cultura.gencat.cat/aat/getty_en">Paleogene</topic></authority><related type="narrower"><topic>Paleocene</topic></related><related type="narrower"><topic>Eocene</topic></related><related type="narrower"><topic>Oligocene</topic></related><related type="other"><topic>Tertiary</topic></related><related type="broader"><topic>Cenozoic</topic></related><variant type="other"><topic>Palaeogene period</topic></variant><variant type="other"><topic>Paleogene period</topic></variant> <note xml:lang="en"><![CDATA[ Oldest of the three divisions of the Cenozoic Era spanning between 66 million and 23 million years ago. It includes the Paleocene, Eocene and the Oligocene epochs. This period was formerly considered a part of the Tertiary. ]]></note></mads>