<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31344372</termId><termName>chitinous material</termName><termType>PT</termType><termNote><![CDATA[ Materials formed of the organic substance that appears as the elytra and integuments of insects and the carapaces of crustacea. ]]></termNote><termCreatedDate>2026-03-30 20:32:52</termCreatedDate><relation><relationType>BT</relationType><termId>31320453</termId><termName>animal material</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31374468</termId><termName>beetle elytra</termName><termType>PT</termType></relation></term>  </Zthes>