<?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">Plesiosauria</topic></authority><related type="broader"><topic>Diapsida</topic></related><variant type="other"><topic>plesiosaur</topic></variant><variant type="other"><topic>plesiosaurs</topic></variant> <note xml:lang="en"><![CDATA[ Extinct order of fossil marine reptiles characterized by a broad, flattened body, often a small head often on long flexible neck, a short tail, and four large, paddle-like limbs, dating to the Jurassic and Cretaceous periods. ]]></note></mads>