<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31334997</termId><termName>Cretaceous</termName><termType>PT</termType><termNote><![CDATA[ The last period of the Mesozoic, extending from about 145 to 65 million years ago. The sudden extinction of the dinosaurs occurred at the end of the period.  ]]></termNote><termCreatedDate>2026-03-30 20:30:17</termCreatedDate><relation><relationType>UF</relationType><termId>31334998</termId><termName>Cretaceous period</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31312564</termId><termName>Mesozoic</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31363313</termId><termName>Early Cretaceous</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31363316</termId><termName>Late Cretaceous</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31334995</termId><termName>Jurassic</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31363319</termId><termName>Paleocene</termName><termType>PT</termType></relation></term>  </Zthes>