<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31316473</termId><termName>shark teeth</termName><termType>PT</termType><termNote><![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. ]]></termNote><termCreatedDate>2026-03-30 20:25:13</termCreatedDate><relation><relationType>UF</relationType><termId>31316474</termId><termName>shark tooth</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31316475</termId><termName>shark-tooth</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31316476</termId><termName>teeth, shark</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31303800</termId><termName>teeth</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31482010</termId><termName>tongue stones</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31436188</termId><termName>Selachii</termName><termType>PT</termType></relation></term>  </Zthes>