<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31435914</termId><termName>Hexaplex trunculus</termName><termType>PT</termType><termNote><![CDATA[ Species of predatory sea snail, native to the Mediterranean Sea and the Atlantic coasts of Europe and Africa. It was used to make expensive purple-blue indigo dye since ancient times.  ]]></termNote><termCreatedDate>2026-03-30 20:57:32</termCreatedDate><relation><relationType>UF</relationType><termId>31435915</termId><termName>Murex trunculus</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31435916</termId><termName>banded dye murex</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31435917</termId><termName>murex, banded dye</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31409381</termId><termName>Hexaplex</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31410943</termId><termName>Tyrian purple</termName><termType>PT</termType></relation></term>  </Zthes>