<?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">shark teeth</topic></authority><related type="other"><topic>tongue stones</topic></related><related type="other"><topic>Selachii</topic></related><related type="broader"><topic>teeth</topic></related><variant type="other"><topic>shark tooth</topic></variant><variant type="other"><topic>shark-tooth</topic></variant><variant type="other"><topic>teeth, shark</topic></variant> <note xml:lang="en"><![CDATA[ The teeth of a shark, which is any fish of the order Selachii. Sharks continually shed and replace their teeth during life, thus some may shed up to 35,000 teeth in a lifetime. ]]></note></mads>