<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31339794</termId><termName>nannofossils</termName><termType>PT</termType><termNote><![CDATA[ Nannofossils are microfossils with a diameter less than 50 microns; one micron being equal to one millionth of a meter. ]]></termNote><termCreatedDate>2026-03-30 20:31:38</termCreatedDate><relation><relationType>UF</relationType><termId>31339795</termId><termName>calcareous nannofossils</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31339796</termId><termName>nannofossil</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31339797</termId><termName>nanofossils</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31316453</termId><termName>microfossils</termName><termType>PT</termType></relation></term>  </Zthes>