<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31409382</termId><termName>Nautilida</termName><termType>PT</termType><termNote><![CDATA[ Marine cephalopods possessing a many-chambered external shell with simple septa; represented by a small number of extant species, but over 2,500 species flourished in the early Paleozoic era. ]]></termNote><termCreatedDate>2026-03-30 20:50:04</termCreatedDate><relation><relationType>UF</relationType><termId>31409383</termId><termName>nautiloid</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31409384</termId><termName>nautiloids</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31370415</termId><termName>Nautiloidea</termName><termType>PT</termType></relation></term>  </Zthes>