<?xml version="1.0" encoding="utf-8"?><metadata xmlns:dc="http://purl.org/dc/elements/1.1/"  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:dcterms="http://purl.org/dc/terms/"><dc:title xml:lang="en">opercula</dc:title><dc:identifier>http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31303823</dc:identifier><dc:language>en</dc:language><dc:publisher xml:lang="en">Getty Institute</dc:publisher><dcterms:created>2026-03-30 20:21:42</dcterms:created><dcterms:isPartOf xsi:type="dcterms:URI">http://AATesaurus.cultura.gencat.cat/aat/getty_en</dcterms:isPartOf><dcterms:isPartOf xml:lang="en">Tesaurus d&apos;Art i Arquitectura</dcterms:isPartOf><dc:format>text/html</dc:format> <dcterms:alternative xml:lang="en">operculum</dcterms:alternative> <dcterms:alternative xml:lang="en">operculums</dcterms:alternative> <dc:description xml:lang="en"><![CDATA[ The calcareous, horny, or shelly plates secreted by some gastropod mollusks, which serve to close the shell when the animal is retracted. These are found in many marine and some terrestrial and freshwater species. Opercula are used in jewelry or as decoration on art and ceremonial objects. ]]></dc:description></metadata>