<?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">Mnemiopsis</dc:title><dc:identifier>http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31436322</dc:identifier><dc:language>en</dc:language><dc:publisher xml:lang="en">Getty Institute</dc:publisher><dcterms:created>2026-03-30 20:57:39</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">sea walnut</dcterms:alternative> <dcterms:alternative xml:lang="en">sea walnuts</dcterms:alternative> <dc:description xml:lang="en"><![CDATA[ Genus of gelatinous, planktonic marine invertebrates, now generally considered to contain one living species that manifests in three different ecological forms.The sea walnut resembles the sea gooseberry morphologically, but as in many ctenophores the body is prolonged into eight lobes. ]]></dc:description></metadata>