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<name doi="10.1601/nm.173" xmlns="http://namesforlife.com/ns/name">
  <nomenclature xmlns="http://namesforlife.com/ns/common">
    <name-status-group>
      <identifier doi="10.1601/nm.173" nomenclatural-type="10.1601/tx.175" nomenclatural-type-exemplar="10.1601/ex.103" rank="order" taxon-doi="10.1601/tx.173">Methanomicrobiales</identifier>
      <authority>Balch and Wolfe 1981</authority>
      <status candidatus="false" conserved="false" current-name="Methanomicrobiales" current-name-doi="10.1601/nm.173" illegitimate="false" is-current="true" rejected="false" revived="false" status-code="VP" />
    </name-status-group>
  </nomenclature>
  <events>
    <event date="1981" list-number="6" reference="rid.5130" type="validation" />
    <event date="1979" reference="rid.21505" type="effective-publication" />
    <event date="2005" reference="rid.7525" type="judicial-opinion">
      <opinion opinion-number="79" opinion-type="OtherObservation">
        <public-note>By unanimous consent, the Judicial Commission voted to reject all of the names proposed by Cavalier-Smith (Minute 22 of the XIIth International Congress of Bacteriology and Applied Microbiology. Minutes of the meetings, 3, 4 and 6 August 2008, Istanbul, Turkey).</public-note>
      </opinion>
      <references>
        <reference date="2001" id="rid.7526" type="request" />
        <reference date="2011" id="rid.12922" type="minutes" />
        <reference date="2014" id="rid.15557" type="emendation" />
      </references>
    </event>
  </events>
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      <name-status-group>
        <identifier doi="10.1601/nm.173" nomenclatural-type="10.1601/tx.175" nomenclatural-type-exemplar="10.1601/ex.103" rank="order" taxon-doi="10.1601/tx.173">Methanomicrobiales</identifier>
        <authority>Balch and Wolfe 1981</authority>
        <status candidatus="false" conserved="false" current-name="Methanomicrobiales" current-name-doi="10.1601/nm.173" illegitimate="false" is-current="true" rejected="false" revived="false" status-code="VP" />
      </name-status-group>
    </nomenclature>
    <nomenclatural-type nomenclatural-type-exemplar="10.1601/ex.103" xmlns="http://namesforlife.com/ns/common">
      <name-status-group>
        <identifier doi="10.1601/nm.175" nomenclatural-type="10.1601/tx.176" nomenclatural-type-exemplar="10.1601/ex.103" rank="genus" taxon-doi="10.1601/tx.175">Methanomicrobium</identifier>
        <authority>Balch and Wolfe 1981</authority>
        <status candidatus="false" conserved="false" current-name="Methanomicrobium" current-name-doi="10.1601/nm.175" illegitimate="false" is-current="true" rejected="false" revived="false" status-code="VP" />
      </name-status-group>
    </nomenclatural-type>
    <taxonomic-equivalence>
      <related-taxon accession="2191" nomos="NCBI Taxonomy" rank="order" relation="exactMatch" />
    </taxonomic-equivalence>
    <ancestor doi="10.1601/tx.0" rank="root">
      <nomenclature xmlns="http://namesforlife.com/ns/common">
        <name-status-group>
          <identifier doi="10.1601/nm.0" rank="root" taxon-doi="10.1601/tx.0">Universal Root</identifier>
          <authority>Woese et al. 1990</authority>
          <status candidatus="false" conserved="false" current-name="Universal Root" current-name-doi="10.1601/nm.0" illegitimate="false" is-current="true" rejected="false" revived="false" status-code="NVP" />
        </name-status-group>
      </nomenclature>
      <ancestor doi="10.1601/tx.1" rank="domain">
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          <name-status-group>
            <identifier doi="10.1601/nm.1" rank="domain" taxon-doi="10.1601/tx.1">Archaea</identifier>
            <authority>Woese et al. 1990</authority>
            <status candidatus="false" conserved="false" current-name="Archaea" current-name-doi="10.1601/nm.1" illegitimate="false" is-current="true" rejected="false" revived="false" status-code="NVP" />
          </name-status-group>
        </nomenclature>
        <ancestor doi="10.1601/tx.90" rank="phylum">
          <nomenclature xmlns="http://namesforlife.com/ns/common">
            <name-status-group>
              <identifier doi="10.1601/nm.90" nomenclatural-type="10.1601/tx.94" nomenclatural-type-exemplar="10.1601/ex.95" rank="phylum" taxon-doi="10.1601/tx.90">Euryarchaeota</identifier>
              <authority>(sic) Garrity and Holt 2001</authority>
              <status candidatus="false" conserved="false" current-name="Methanobacteriota" current-name-doi="10.1601/nm.31627" illegitimate="false" is-current="false" rejected="false" revived="false" status-code="NVP" />
            </name-status-group>
            <name-status-group>
              <identifier doi="10.1601/nm.31627" nomenclatural-type="10.1601/tx.94" nomenclatural-type-exemplar="10.1601/ex.95" rank="phylum" taxon-doi="10.1601/tx.90">Methanobacteriota</identifier>
              <authority>corrig. Garrity and Holt 2001</authority>
              <status candidatus="false" conserved="false" current-name="Methanobacteriota" current-name-doi="10.1601/nm.31627" illegitimate="false" is-current="true" rejected="false" revived="false" status-code="NVP" />
            </name-status-group>
          </nomenclature>
          <ancestor doi="10.1601/tx.143" rank="class">
            <nomenclature xmlns="http://namesforlife.com/ns/common">
              <name-status-group>
                <identifier doi="10.1601/nm.143" nomenclatural-type="10.1601/tx.144" nomenclatural-type-exemplar="10.1601/ex.147" rank="class" taxon-doi="10.1601/tx.143">Methanococci</identifier>
                <authority>Boone 2002</authority>
                <status candidatus="false" conserved="false" current-name="Methanococci" current-name-doi="10.1601/nm.143" illegitimate="false" is-current="true" rejected="false" revived="false" status-code="VP" />
              </name-status-group>
            </nomenclature>
            <ancestor doi="10.1601/tx.173" rank="order">
              <nomenclature xmlns="http://namesforlife.com/ns/common">
                <name-status-group>
                  <identifier doi="10.1601/nm.173" nomenclatural-type="10.1601/tx.175" nomenclatural-type-exemplar="10.1601/ex.103" rank="order" taxon-doi="10.1601/tx.173">Methanomicrobiales</identifier>
                  <authority>Balch and Wolfe 1981</authority>
                  <status candidatus="false" conserved="false" current-name="Methanomicrobiales" current-name-doi="10.1601/nm.173" illegitimate="false" is-current="true" rejected="false" revived="false" status-code="VP" />
                </name-status-group>
              </nomenclature>
            </ancestor>
          </ancestor>
        </ancestor>
      </ancestor>
    </ancestor>
    <parent doi="10.1601/tx.143" rank="class">
      <nomenclature xmlns="http://namesforlife.com/ns/common">
        <name-status-group>
          <identifier doi="10.1601/nm.143" nomenclatural-type="10.1601/tx.144" nomenclatural-type-exemplar="10.1601/ex.147" rank="class" taxon-doi="10.1601/tx.143">Methanococci</identifier>
          <authority>Boone 2002</authority>
          <status candidatus="false" conserved="false" current-name="Methanococci" current-name-doi="10.1601/nm.143" illegitimate="false" is-current="true" rejected="false" revived="false" status-code="VP" />
        </name-status-group>
      </nomenclature>
    </parent>
    <sibling doi="10.1601/tx.144" rank="order">
      <nomenclature xmlns="http://namesforlife.com/ns/common">
        <name-status-group>
          <identifier doi="10.1601/nm.144" nomenclatural-type="10.1601/tx.146" nomenclatural-type-exemplar="10.1601/ex.147" rank="order" taxon-doi="10.1601/tx.144">Methanococcales</identifier>
          <authority>Balch and Wolfe 1981</authority>
          <status candidatus="false" conserved="false" current-name="Methanococcales" current-name-doi="10.1601/nm.144" illegitimate="false" is-current="true" rejected="false" revived="false" status-code="VP" />
        </name-status-group>
      </nomenclature>
    </sibling>
    <sibling doi="10.1601/tx.226" rank="order">
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        <name-status-group>
          <identifier doi="10.1601/nm.226" nomenclatural-type="10.1601/tx.228" nomenclatural-type-exemplar="10.1601/ex.229" rank="order" taxon-doi="10.1601/tx.226">Methanosarcinales</identifier>
          <authority>Boone et al. 2002</authority>
          <status candidatus="false" conserved="false" current-name="Methanosarcinales" current-name-doi="10.1601/nm.226" illegitimate="false" is-current="true" rejected="false" revived="false" status-code="VP" />
        </name-status-group>
      </nomenclature>
    </sibling>
    <sibling doi="10.1601/tx.34190" rank="order">
      <nomenclature xmlns="http://namesforlife.com/ns/common">
        <name-status-group>
          <identifier doi="10.1601/nm.34190" nomenclatural-type="10.1601/tx.34192" nomenclatural-type-exemplar="10.1601/ex.34193" rank="order" taxon-doi="10.1601/tx.34190">Altiarchaeales</identifier>
          <authority>(sic) Probst et al. 2014</authority>
          <status candidatus="true" conserved="false" current-name="Altarchaeales" current-name-doi="10.1601/nm.35078" illegitimate="false" is-current="false" rejected="false" revived="false" status-code="NVP" />
        </name-status-group>
        <name-status-group>
          <identifier doi="10.1601/nm.35078" nomenclatural-type="10.1601/tx.34192" nomenclatural-type-exemplar="10.1601/ex.34193" rank="order" taxon-doi="10.1601/tx.34190">Altarchaeales</identifier>
          <authority>corrig. Probst et al. 2014</authority>
          <status candidatus="true" conserved="false" current-name="Altarchaeales" current-name-doi="10.1601/nm.35078" illegitimate="false" is-current="true" rejected="false" revived="false" status-code="NVP" />
        </name-status-group>
      </nomenclature>
    </sibling>
    <child doi="10.1601/tx.210" rank="family">
      <nomenclature xmlns="http://namesforlife.com/ns/common">
        <name-status-group>
          <identifier doi="10.1601/nm.210" nomenclatural-type="10.1601/tx.211" nomenclatural-type-exemplar="10.1601/ex.212" rank="family" taxon-doi="10.1601/tx.210">Methanocorpusculaceae</identifier>
          <authority>Zellner et al. 1989</authority>
          <status candidatus="false" conserved="false" current-name="Methanocorpusculaceae" current-name-doi="10.1601/nm.210" illegitimate="false" is-current="true" rejected="false" revived="false" status-code="VP" />
        </name-status-group>
      </nomenclature>
    </child>
    <child doi="10.1601/tx.174" rank="family">
      <nomenclature xmlns="http://namesforlife.com/ns/common">
        <name-status-group>
          <identifier doi="10.1601/nm.174" nomenclatural-type="10.1601/tx.175" nomenclatural-type-exemplar="10.1601/ex.103" rank="family" taxon-doi="10.1601/tx.174">Methanomicrobiaceae</identifier>
          <authority>Balch and Wolfe 1981</authority>
          <status candidatus="false" conserved="false" current-name="Methanomicrobiaceae" current-name-doi="10.1601/nm.174" illegitimate="false" is-current="true" rejected="false" revived="false" status-code="VP" />
        </name-status-group>
      </nomenclature>
    </child>
    <child doi="10.1601/tx.217" rank="family">
      <nomenclature xmlns="http://namesforlife.com/ns/common">
        <name-status-group>
          <identifier doi="10.1601/nm.217" nomenclatural-type="10.1601/tx.218" nomenclatural-type-exemplar="10.1601/ex.219" rank="family" taxon-doi="10.1601/tx.217">Methanospirillaceae</identifier>
          <authority>Boone et al. 2002</authority>
          <status candidatus="false" conserved="false" current-name="Methanospirillaceae" current-name-doi="10.1601/nm.217" illegitimate="false" is-current="true" rejected="false" revived="false" status-code="VP" />
        </name-status-group>
      </nomenclature>
    </child>
    <child doi="10.1601/tx.17938" rank="family">
      <nomenclature xmlns="http://namesforlife.com/ns/common">
        <name-status-group>
          <identifier doi="10.1601/nm.17938" nomenclatural-type="10.1601/tx.206" nomenclatural-type-exemplar="10.1601/ex.207" rank="family" taxon-doi="10.1601/tx.17938">Methanoplanaceae</identifier>
          <authority>Wildgruber et al. 1984</authority>
          <status candidatus="false" conserved="false" current-name="Methanoplanaceae" current-name-doi="10.1601/nm.17938" illegitimate="false" is-current="true" rejected="false" revived="false" status-code="VP" />
        </name-status-group>
      </nomenclature>
    </child>
    <child doi="10.1601/tx.23079" rank="family">
      <nomenclature xmlns="http://namesforlife.com/ns/common">
        <name-status-group>
          <identifier doi="10.1601/nm.23079" nomenclatural-type="10.1601/tx.20336" nomenclatural-type-exemplar="10.1601/ex.20337" rank="family" taxon-doi="10.1601/tx.23079">Methanoregulaceae</identifier>
          <authority>Sakai et al. 2012</authority>
          <status candidatus="false" conserved="false" current-name="Methanoregulaceae" current-name-doi="10.1601/nm.23079" illegitimate="false" is-current="true" rejected="false" revived="false" status-code="VP" />
        </name-status-group>
      </nomenclature>
    </child>
    <child doi="10.1601/tx.25029" rank="family">
      <nomenclature xmlns="http://namesforlife.com/ns/common">
        <name-status-group>
          <identifier doi="10.1601/nm.25029" nomenclatural-type="10.1601/tx.221" nomenclatural-type-exemplar="10.1601/ex.222" rank="family" taxon-doi="10.1601/tx.25029">Methanocalculaceae</identifier>
          <authority>Zhilina et al. 2014</authority>
          <status candidatus="false" conserved="false" current-name="Methanocalculaceae" current-name-doi="10.1601/nm.25029" illegitimate="false" is-current="true" rejected="false" revived="false" status-code="VP" />
        </name-status-group>
      </nomenclature>
    </child>
    <child doi="10.1601/tx.227" rank="family">
      <nomenclature xmlns="http://namesforlife.com/ns/common">
        <name-status-group>
          <identifier doi="10.1601/nm.227" nomenclatural-type="10.1601/tx.228" nomenclatural-type-exemplar="10.1601/ex.229" rank="family" taxon-doi="10.1601/tx.227">Methanosarcinaceae</identifier>
          <authority>Balch and Wolfe 1981 emend. Sowers et al. 1984</authority>
          <status candidatus="false" conserved="false" current-name="Methanosarcinaceae" current-name-doi="10.1601/nm.227" illegitimate="false" is-current="true" rejected="false" revived="false" status-code="VP" />
        </name-status-group>
      </nomenclature>
    </child>
    <child doi="10.1601/tx.220" rank="family">
      <nomenclature xmlns="http://namesforlife.com/ns/common">
        <name-status-group>
          <identifier doi="10.1601/nm.220" rank="family" taxon-doi="10.1601/tx.220">Incertae sedis 1</identifier>
          <authority>Garrity et al. 2007</authority>
          <status candidatus="false" conserved="false" current-name="Methanocalculaceae" current-name-doi="10.1601/nm.25029" illegitimate="true" is-current="false" rejected="false" revived="false" status-code="NVP" />
        </name-status-group>
      </nomenclature>
    </child>
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    <bibliography xmlns="http://namesforlife.com/ns/reference">
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          <lpage>39</lpage>
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          <issue>6</issue>
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