<?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">Sirenia</topic></authority><related type="narrower"><topic>Dugongidae</topic></related><related type="narrower"><topic>Trichechidae</topic></related><related type="broader"><topic>Mammalia</topic></related><related type="broader"><topic>Placentalia</topic></related><variant type="other"><topic>manatees and dugongs</topic></variant><variant type="other"><topic>sirenian</topic></variant><variant type="other"><topic>sirenians</topic></variant> <note xml:lang="en"><![CDATA[ Order containing four living mammal species in two families, characterized by being fully aquatic, herbivorous, inhabiting  rivers, estuaries, coastal marine waters, swamps, and marine wetlands. The order evolved during the Eocene epoch, more than 50 million years ago. ]]></note></mads>