<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31406659</termId><termName>Ubaid</termName><termType>PT</termType><termNote><![CDATA[ Refers to a period and culture that developed in southern Mesopotamia during the 5th millennium BCE, named after the site of Tell Al-Ubaid. The period is divided into four phases based on a sequence of pottery styles, which consist generally of a black painted, greenish buff ceramic with geometric decoration. ]]></termNote><termCreatedDate>2026-03-30 20:49:18</termCreatedDate><relation><relationType>UF</relationType><termId>31406660</termId><termName>Al&apos;Ubaid</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31367224</termId><termName>prehistoric Southern Mesopotamian periods</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31434236</termId><termName>Eridu</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31434238</termId><termName>Hajji Muhammed</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31434241</termId><termName>Ubaid 3</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31434243</termId><termName>Ubaid 4</termName><termType>PT</termType></relation></term>  </Zthes>