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<name doi="10.1601/nm.227" xmlns="http://namesforlife.com/ns/name">
  <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>
  <events>
    <event date="1981" list-number="6" reference="rid.5130" type="validation" />
    <event date="1979" reference="rid.21505" type="effective-publication" />
    <event date="1984" reference="rid.8980" type="emendation" />
  </events>
  <taxon doi="10.1601/tx.227" rank="family" xmlns="http://namesforlife.com/ns/taxon">
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      <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>
    <nomenclatural-type nomenclatural-type-exemplar="10.1601/ex.229" xmlns="http://namesforlife.com/ns/common">
      <name-status-group>
        <identifier doi="10.1601/nm.228" nomenclatural-type="10.1601/tx.229" nomenclatural-type-exemplar="10.1601/ex.229" rank="genus" taxon-doi="10.1601/tx.228">Methanosarcina</identifier>
        <authority>Kluyver and van Niel 1936 (Approved Lists 1980) emend. Ni et al. 1994</authority>
        <status candidatus="false" conserved="true" current-name="Methanosarcina" current-name-doi="10.1601/nm.228" illegitimate="false" is-current="true" rejected="false" revived="false" status-code="VP" />
      </name-status-group>
    </nomenclatural-type>
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      <related-taxon accession="2206" nomos="NCBI Taxonomy" rank="family" relation="exactMatch" />
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    <ancestor doi="10.1601/tx.0" rank="root">
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        <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" />
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      </nomenclature>
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            <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" />
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        </nomenclature>
        <ancestor doi="10.1601/tx.90" rank="phylum">
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            <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">
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              <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.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>
              <ancestor doi="10.1601/tx.227" rank="family">
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                  <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" />
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    <parent 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>
    </parent>
    <sibling doi="10.1601/tx.14017" rank="family">
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        <name-status-group>
          <identifier doi="10.1601/nm.14017" nomenclatural-type="10.1601/tx.11591" nomenclatural-type-exemplar="10.1601/ex.11590" rank="family" taxon-doi="10.1601/tx.14017">Methermicoccaceae</identifier>
          <authority>Cheng et al. 2007</authority>
          <status candidatus="false" conserved="false" current-name="Methermicoccaceae" current-name-doi="10.1601/nm.14017" illegitimate="false" is-current="true" rejected="false" revived="false" status-code="VP" />
        </name-status-group>
      </nomenclature>
    </sibling>
    <sibling doi="10.1601/tx.26319" rank="family">
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        <name-status-group>
          <identifier doi="10.1601/nm.35083" nomenclatural-type="10.1601/tx.26320" nomenclatural-type-exemplar="10.1601/ex.26321" rank="family" taxon-doi="10.1601/tx.26319">Methanoperedentaceae</identifier>
          <authority>corrig. Haroon et al. 2013</authority>
          <status candidatus="true" conserved="false" current-name="Methanoperedentaceae" current-name-doi="10.1601/nm.35083" illegitimate="false" is-current="true" rejected="false" revived="false" status-code="NVP" />
        </name-status-group>
        <name-status-group>
          <identifier doi="10.1601/nm.26319" nomenclatural-type="10.1601/tx.26320" nomenclatural-type-exemplar="10.1601/ex.26321" rank="family" taxon-doi="10.1601/tx.26319">Methanoperedenaceae</identifier>
          <authority>(sic) Haroon et al. 2013</authority>
          <status candidatus="true" conserved="false" current-name="Methanoperedentaceae" current-name-doi="10.1601/nm.35083" illegitimate="false" is-current="false" rejected="false" revived="false" status-code="NVP" />
        </name-status-group>
      </nomenclature>
    </sibling>
    <sibling doi="10.1601/tx.264" rank="family">
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        <name-status-group>
          <identifier doi="10.1601/nm.264" nomenclatural-type="10.1601/tx.265" nomenclatural-type-exemplar="10.1601/ex.266" rank="family" taxon-doi="10.1601/tx.264">Methanosaetaceae</identifier>
          <authority>Boone et al. 2002</authority>
          <status candidatus="false" conserved="false" current-name="Methanosaetaceae" current-name-doi="10.1601/nm.264" illegitimate="false" is-current="true" rejected="false" revived="false" status-code="VP" />
        </name-status-group>
      </nomenclature>
    </sibling>
    <sibling doi="10.1601/tx.36948" rank="family">
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        <name-status-group>
          <identifier doi="10.1601/nm.36948" nomenclatural-type="10.1601/tx.36949" nomenclatural-type-exemplar="10.1601/ex.36950" rank="family" taxon-doi="10.1601/tx.36948">Incertae sedis 587</identifier>
          <authority>Chen et al. 2019</authority>
          <status candidatus="false" conserved="false" current-name="Incertae sedis 587" current-name-doi="10.1601/nm.36948" illegitimate="true" is-current="true" rejected="false" revived="false" status-code="NVP" />
        </name-status-group>
      </nomenclature>
    </sibling>
    <sibling doi="10.1601/tx.39657" rank="family">
      <nomenclature xmlns="http://namesforlife.com/ns/common">
        <name-status-group>
          <identifier doi="10.1601/nm.39657" nomenclatural-type="10.1601/tx.39658" nomenclatural-type-exemplar="10.1601/ex.39660" rank="family" taxon-doi="10.1601/tx.39657">Incertae sedis 641</identifier>
          <authority>Hahn et al. 2020</authority>
          <status candidatus="false" conserved="false" current-name="Incertae sedis 641" current-name-doi="10.1601/nm.39657" illegitimate="true" is-current="true" rejected="false" revived="false" status-code="NVP" />
        </name-status-group>
      </nomenclature>
    </sibling>
    <child doi="10.1601/tx.243" rank="genus">
      <nomenclature xmlns="http://namesforlife.com/ns/common">
        <name-status-group>
          <identifier doi="10.1601/nm.243" nomenclatural-type="10.1601/tx.244" nomenclatural-type-exemplar="10.1601/ex.244" rank="genus" taxon-doi="10.1601/tx.243">Methanohalobium</identifier>
          <authority>Zhilina and Zavarzin 1988</authority>
          <status candidatus="false" conserved="false" current-name="Methanohalobium" current-name-doi="10.1601/nm.243" illegitimate="false" is-current="true" rejected="false" revived="false" status-code="VP" />
        </name-status-group>
      </nomenclature>
    </child>
    <child doi="10.1601/tx.262" rank="genus">
      <nomenclature xmlns="http://namesforlife.com/ns/common">
        <name-status-group>
          <identifier doi="10.1601/nm.262" nomenclatural-type="10.1601/tx.263" nomenclatural-type-exemplar="10.1601/ex.250" rank="genus" taxon-doi="10.1601/tx.262">Methanosalsum</identifier>
          <authority>Boone and Baker 2002</authority>
          <status candidatus="false" conserved="false" current-name="Methanosalsum" current-name-doi="10.1601/nm.262" illegitimate="false" is-current="true" rejected="false" revived="false" status-code="VP" />
        </name-status-group>
      </nomenclature>
    </child>
    <child doi="10.1601/tx.251" rank="genus">
      <nomenclature xmlns="http://namesforlife.com/ns/common">
        <name-status-group>
          <identifier doi="10.1601/nm.251" nomenclatural-type="10.1601/tx.252" nomenclatural-type-exemplar="10.1601/ex.252" rank="genus" taxon-doi="10.1601/tx.251">Methanolobus</identifier>
          <authority>König and Stetter 1983</authority>
          <status candidatus="false" conserved="false" current-name="Methanolobus" current-name-doi="10.1601/nm.251" illegitimate="false" is-current="true" rejected="false" revived="false" status-code="VP" />
        </name-status-group>
      </nomenclature>
    </child>
    <child doi="10.1601/tx.245" rank="genus">
      <nomenclature xmlns="http://namesforlife.com/ns/common">
        <name-status-group>
          <identifier doi="10.1601/nm.245" nomenclatural-type="10.1601/tx.246" nomenclatural-type-exemplar="10.1601/ex.246" rank="genus" taxon-doi="10.1601/tx.245">Methanohalophilus</identifier>
          <authority>Paterek and Smith 1988 emend. Katayama et al. 2014</authority>
          <status candidatus="false" conserved="false" current-name="Methanohalophilus" current-name-doi="10.1601/nm.245" illegitimate="false" is-current="true" rejected="false" revived="false" status-code="VP" />
        </name-status-group>
      </nomenclature>
    </child>
    <child doi="10.1601/tx.258" rank="genus">
      <nomenclature xmlns="http://namesforlife.com/ns/common">
        <name-status-group>
          <identifier doi="10.1601/nm.258" nomenclatural-type="10.1601/tx.259" nomenclatural-type-exemplar="10.1601/ex.259" rank="genus" taxon-doi="10.1601/tx.258">Methanomethylovorans</identifier>
          <authority>Lomans et al. 2004</authority>
          <status candidatus="false" conserved="false" current-name="Methanomethylovorans" current-name-doi="10.1601/nm.258" illegitimate="false" is-current="true" rejected="false" revived="false" status-code="VP" />
        </name-status-group>
      </nomenclature>
    </child>
    <child doi="10.1601/tx.240" rank="genus">
      <nomenclature xmlns="http://namesforlife.com/ns/common">
        <name-status-group>
          <identifier doi="10.1601/nm.240" nomenclatural-type="10.1601/tx.241" nomenclatural-type-exemplar="10.1601/ex.241" rank="genus" taxon-doi="10.1601/tx.240">Methanococcoides</identifier>
          <authority>Sowers and Ferry 1985 emend. L'Haridon et al. 2014</authority>
          <status candidatus="false" conserved="false" current-name="Methanococcoides" current-name-doi="10.1601/nm.240" illegitimate="false" is-current="true" rejected="false" revived="false" status-code="VP" />
        </name-status-group>
      </nomenclature>
    </child>
    <child doi="10.1601/tx.228" rank="genus">
      <nomenclature xmlns="http://namesforlife.com/ns/common">
        <name-status-group>
          <identifier doi="10.1601/nm.228" nomenclatural-type="10.1601/tx.229" nomenclatural-type-exemplar="10.1601/ex.229" rank="genus" taxon-doi="10.1601/tx.228">Methanosarcina</identifier>
          <authority>Kluyver and van Niel 1936 (Approved Lists 1980) emend. Ni et al. 1994</authority>
          <status candidatus="false" conserved="true" current-name="Methanosarcina" current-name-doi="10.1601/nm.228" illegitimate="false" is-current="true" rejected="false" revived="false" status-code="VP" />
        </name-status-group>
      </nomenclature>
    </child>
    <child doi="10.1601/tx.260" rank="genus">
      <nomenclature xmlns="http://namesforlife.com/ns/common">
        <name-status-group>
          <identifier doi="10.1601/nm.260" nomenclatural-type="10.1601/tx.261" nomenclatural-type-exemplar="10.1601/ex.261" rank="genus" taxon-doi="10.1601/tx.260">Methanimicrococcus</identifier>
          <authority>corrig. Sprenger et al. 2000</authority>
          <status candidatus="false" conserved="false" current-name="Methanimicrococcus" current-name-doi="10.1601/nm.260" illegitimate="false" is-current="true" rejected="false" revived="false" status-code="VP" />
        </name-status-group>
        <name-status-group>
          <identifier doi="10.1601/nm.10343" nomenclatural-type="10.1601/tx.261" nomenclatural-type-exemplar="10.1601/ex.261" rank="genus" taxon-doi="10.1601/tx.260">Methanomicrococcus</identifier>
          <authority>(sic) Sprenger et al. 2000</authority>
          <status candidatus="false" conserved="false" current-name="Methanimicrococcus" current-name-doi="10.1601/nm.260" illegitimate="false" is-current="false" rejected="false" revived="false" status-code="VP" />
        </name-status-group>
      </nomenclature>
    </child>
    <child doi="10.1601/tx.10389" rank="genus">
      <nomenclature xmlns="http://namesforlife.com/ns/common">
        <name-status-group>
          <identifier doi="10.1601/nm.10389" nomenclatural-type="10.1601/tx.10766" nomenclatural-type-exemplar="10.1601/ex.10766" rank="genus" taxon-doi="10.1601/tx.10389">Halomethanococcus</identifier>
          <authority>Yu and Kawamura 1988</authority>
          <status candidatus="false" conserved="false" current-name="Halomethanococcus" current-name-doi="10.1601/nm.10389" illegitimate="false" is-current="true" rejected="false" revived="false" status-code="VP" />
        </name-status-group>
      </nomenclature>
    </child>
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          <article-title>Revised taxonomy of the methanotrophs: Description of Methylobacter gen.nov., emendation of Methylococcus, validation of Methylosinus and Methylocystis species, and a proposal that the family Methylococcaceae includes only the Group I Methanotrophs.</article-title>
          <year>1993</year>
          <volume>43</volume>
          <issue>4</issue>
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          <source id="116">International Journal of Systematic Bacteriology</source>
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          <article-title>Halomethanococcus doii gen. nov., sp. nov.: an obligately halophilic methanogenic bacterium from solar salt ponds.</article-title>
          <year>1987</year>
          <volume>33</volume>
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          <article-title>Methanoplanus limicola, a plate-shaped methanogen representing a novel family, the Methanoplanaceae.</article-title>
          <year>1982</year>
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