<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31435931</termId><termName>Pteriidae</termName><termType>PT</termType><termNote><![CDATA[ Family of medium-sized to large marine bivalve mollusks (saltwater clams). Some members of this family are noted for producing pearls. ]]></termNote><termCreatedDate>2026-03-30 20:57:33</termCreatedDate><relation><relationType>UF</relationType><termId>31435932</termId><termName>pearl oysters</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31409386</termId><termName>Pterioida</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31455136</termId><termName>Pinctada</termName><termType>PT</termType></relation></term>  </Zthes>