<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31339638</termId><termName>Gastropoda</termName><termType>PT</termType><termNote><![CDATA[ Largest class of the phylum Mollusca, consisting of about 65,000 species living in the ocean, fresh water, and on land. The name means "belly-footed," referring to the broad tapered foot on which these animals glide. Includes snails, which have a shell into which the animal can withdraw, and slugs, which differ from snails in having shells that are reduced to an internal fragment or completely lost. ]]></termNote><termCreatedDate>2026-03-30 20:31:35</termCreatedDate><relation><relationType>UF</relationType><termId>31339639</termId><termName>Gasteropoda</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31339640</termId><termName>gasteropods</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31339641</termId><termName>gastropod</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31339642</termId><termName>gastropodan</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31339643</termId><termName>gastropods</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31339644</termId><termName>univalves</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31316346</termId><termName>Mollusca</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31370377</termId><termName>snails</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31370379</termId><termName>conchs</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31370382</termId><termName>Prosobranchia</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31370385</termId><termName>Muricidae</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31370393</termId><termName>slugs</termName><termType>PT</termType></relation></term>  </Zthes>