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<taxon doi="10.1601/tx.150" rank="species" xmlns="http://namesforlife.com/ns/taxon">
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      <identifier doi="10.1601/nm.150" nomenclatural-type-exemplar="10.1601/ex.150" rank="species" taxon-doi="10.1601/tx.150">Methanococcus frisius</identifier>
      <authority>Blotevogel et al. 1986</authority>
      <status candidatus="false" conserved="false" current-name="Methanosarcina frisia" current-name-doi="10.1601/nm.232" illegitimate="false" is-current="false" rejected="false" revived="false" status-code="VP" />
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    <related-taxon accession="2209" nomos="NCBI Taxonomy" rank="species" relation="exactMatch" />
  </taxonomic-equivalence>
  <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" />
      </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">
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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" />
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        <ancestor doi="10.1601/tx.143" rank="class">
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              <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.144" rank="order">
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              <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>
            <ancestor doi="10.1601/tx.145" rank="family">
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                  <identifier doi="10.1601/nm.145" nomenclatural-type="10.1601/tx.146" nomenclatural-type-exemplar="10.1601/ex.147" rank="family" taxon-doi="10.1601/tx.145">Methanococcaceae</identifier>
                  <authority>Balch and Wolfe 1981</authority>
                  <status candidatus="false" conserved="false" current-name="Methanococcaceae" current-name-doi="10.1601/nm.145" illegitimate="false" is-current="true" rejected="false" revived="false" status-code="VP" />
                </name-status-group>
              </nomenclature>
              <ancestor doi="10.1601/tx.146" rank="genus">
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                  <name-status-group>
                    <identifier doi="10.1601/nm.146" nomenclatural-type="10.1601/tx.147" nomenclatural-type-exemplar="10.1601/ex.147" rank="genus" taxon-doi="10.1601/tx.146">Methanococcus</identifier>
                    <authority>Kluyver and van Niel 1936 (Approved Lists 1980) emend. Mah and Kuhn 1984</authority>
                    <status candidatus="false" conserved="true" current-name="Methanococcus" current-name-doi="10.1601/nm.146" illegitimate="false" is-current="true" rejected="false" revived="false" status-code="VP" />
                  </name-status-group>
                </nomenclature>
                <ancestor doi="10.1601/tx.150" rank="species">
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                    <name-status-group>
                      <identifier doi="10.1601/nm.150" nomenclatural-type-exemplar="10.1601/ex.150" rank="species" taxon-doi="10.1601/tx.150">Methanococcus frisius</identifier>
                      <authority>Blotevogel et al. 1986</authority>
                      <status candidatus="false" conserved="false" current-name="Methanosarcina frisia" current-name-doi="10.1601/nm.232" illegitimate="false" is-current="false" rejected="false" revived="false" status-code="VP" />
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            </ancestor>
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  <parent doi="10.1601/tx.146" rank="genus">
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      <name-status-group>
        <identifier doi="10.1601/nm.146" nomenclatural-type="10.1601/tx.147" nomenclatural-type-exemplar="10.1601/ex.147" rank="genus" taxon-doi="10.1601/tx.146">Methanococcus</identifier>
        <authority>Kluyver and van Niel 1936 (Approved Lists 1980) emend. Mah and Kuhn 1984</authority>
        <status candidatus="false" conserved="true" current-name="Methanococcus" current-name-doi="10.1601/nm.146" illegitimate="false" is-current="true" rejected="false" revived="false" status-code="VP" />
      </name-status-group>
    </nomenclature>
  </parent>
  <sibling doi="10.1601/tx.158" rank="species">
    <nomenclature xmlns="http://namesforlife.com/ns/common">
      <name-status-group>
        <identifier doi="10.1601/nm.158" nomenclatural-type-exemplar="10.1601/ex.158" rank="species" taxon-doi="10.1601/tx.158">Methanococcus voltae</identifier>
        <authority>Balch and Wolfe 1981 emend. Ward et al. 1989</authority>
        <status candidatus="false" conserved="false" current-name="Methanococcus voltae" current-name-doi="10.1601/nm.158" illegitimate="false" is-current="true" rejected="false" revived="false" status-code="VP" />
      </name-status-group>
    </nomenclature>
  </sibling>
  <sibling doi="10.1601/tx.155" rank="species">
    <nomenclature xmlns="http://namesforlife.com/ns/common">
      <name-status-group>
        <identifier doi="10.1601/nm.155" nomenclatural-type-exemplar="10.1601/ex.155" rank="species" taxon-doi="10.1601/tx.155">Methanococcus maripaludis</identifier>
        <authority>Jones et al. 1984</authority>
        <status candidatus="false" conserved="false" current-name="Methanococcus maripaludis" current-name-doi="10.1601/nm.155" illegitimate="false" is-current="true" rejected="false" revived="false" status-code="VP" />
      </name-status-group>
    </nomenclature>
  </sibling>
  <sibling doi="10.1601/tx.157" rank="species">
    <nomenclature xmlns="http://namesforlife.com/ns/common">
      <name-status-group>
        <identifier doi="10.1601/nm.157" nomenclatural-type-exemplar="10.1601/ex.157" rank="species" taxon-doi="10.1601/tx.157">Methanococcus thermolithotrophicus</identifier>
        <authority>Huber et al. 1984</authority>
        <status candidatus="false" conserved="false" current-name="Methanothermococcus thermolithotrophicus" current-name-doi="10.1601/nm.161" illegitimate="false" is-current="false" rejected="false" revived="false" status-code="VP" />
      </name-status-group>
    </nomenclature>
  </sibling>
  <sibling doi="10.1601/tx.151" rank="species">
    <nomenclature xmlns="http://namesforlife.com/ns/common">
      <name-status-group>
        <identifier doi="10.1601/nm.151" nomenclatural-type-exemplar="10.1601/ex.151" rank="species" taxon-doi="10.1601/tx.151">Methanococcus halophilus</identifier>
        <authority>Zhilina 1984</authority>
        <status candidatus="false" conserved="false" current-name="Methanohalophilus halophilus" current-name-doi="10.1601/nm.247" illegitimate="false" is-current="false" rejected="false" revived="false" status-code="VP" />
      </name-status-group>
    </nomenclature>
  </sibling>
  <sibling doi="10.1601/tx.152" rank="species">
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      <name-status-group>
        <identifier doi="10.1601/nm.152" nomenclatural-type-exemplar="10.1601/ex.152" rank="species" taxon-doi="10.1601/tx.152">Methanococcus igneus</identifier>
        <authority>Burggraf et al. 1990</authority>
        <status candidatus="false" conserved="false" current-name="Methanotorris igneus" current-name-doi="10.1601/nm.171" illegitimate="false" is-current="false" rejected="false" revived="false" status-code="VP" />
      </name-status-group>
    </nomenclature>
  </sibling>
  <sibling doi="10.1601/tx.154" rank="species">
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      <name-status-group>
        <identifier doi="10.1601/nm.154" nomenclatural-type-exemplar="10.1601/ex.154" rank="species" taxon-doi="10.1601/tx.154">Methanococcus jannaschii</identifier>
        <authority>Jones et al. 1984</authority>
        <status candidatus="false" conserved="false" current-name="Methanocaldococcus jannaschii" current-name-doi="10.1601/nm.168" illegitimate="false" is-current="false" rejected="false" revived="false" status-code="VP" />
      </name-status-group>
    </nomenclature>
  </sibling>
  <sibling doi="10.1601/tx.156" rank="species">
    <nomenclature xmlns="http://namesforlife.com/ns/common">
      <name-status-group>
        <identifier doi="10.1601/nm.156" nomenclatural-type-exemplar="10.1601/ex.156" rank="species" taxon-doi="10.1601/tx.156">Methanococcus mazei</identifier>
        <authority>Barker 1936 (Approved Lists 1980)</authority>
        <status candidatus="false" conserved="false" current-name="Methanosarcina mazei" current-name-doi="10.1601/nm.234" illegitimate="false" is-current="false" rejected="false" revived="false" status-code="VP" />
      </name-status-group>
    </nomenclature>
  </sibling>
  <sibling doi="10.1601/tx.159" rank="species">
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      <name-status-group>
        <identifier doi="10.1601/nm.159" nomenclatural-type-exemplar="10.1601/ex.159" rank="species" taxon-doi="10.1601/tx.159">Methanococcus vulcanius</identifier>
        <authority>Jeanthon et al. 1999</authority>
        <status candidatus="false" conserved="false" current-name="Methanocaldococcus vulcanius" current-name-doi="10.1601/nm.169" illegitimate="false" is-current="false" rejected="false" revived="false" status-code="VP" />
      </name-status-group>
    </nomenclature>
  </sibling>
  <sibling doi="10.1601/tx.148" rank="species">
    <nomenclature xmlns="http://namesforlife.com/ns/common">
      <name-status-group>
        <identifier doi="10.1601/nm.148" nomenclatural-type-exemplar="10.1601/ex.148" rank="species" taxon-doi="10.1601/tx.148">Methanococcus deltae</identifier>
        <authority>Corder et al. 1988</authority>
        <status candidatus="false" conserved="false" current-name="Methanococcus deltae" current-name-doi="10.1601/nm.148" illegitimate="false" is-current="true" rejected="false" revived="false" status-code="VP" />
      </name-status-group>
    </nomenclature>
  </sibling>
  <sibling doi="10.1601/tx.153" rank="species">
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      <name-status-group>
        <identifier doi="10.1601/nm.153" nomenclatural-type-exemplar="10.1601/ex.153" rank="species" taxon-doi="10.1601/tx.153">Methanococcus infernus</identifier>
        <authority>Jeanthon et al. 1998</authority>
        <status candidatus="false" conserved="false" current-name="Methanococcus infernus" current-name-doi="10.1601/nm.153" illegitimate="false" is-current="true" rejected="false" revived="false" status-code="VP" />
      </name-status-group>
    </nomenclature>
  </sibling>
  <sibling doi="10.1601/tx.10137" rank="species">
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      <name-status-group>
        <identifier doi="10.1601/nm.10137" nomenclatural-type-exemplar="10.1601/ex.10137" rank="species" taxon-doi="10.1601/tx.10137">Methanococcus aeolicus</identifier>
        <authority>Kendall et al. 2006</authority>
        <status candidatus="false" conserved="false" current-name="Methanococcus aeolicus" current-name-doi="10.1601/nm.10137" illegitimate="false" is-current="true" rejected="false" revived="false" status-code="VP" />
      </name-status-group>
    </nomenclature>
  </sibling>
  <sibling doi="10.1601/tx.149" rank="species">
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        <identifier doi="10.1601/nm.149" nomenclatural-type-exemplar="10.1601/ex.149" rank="species" taxon-doi="10.1601/tx.149">Methanococcus fervens</identifier>
        <authority>Jeanthon et al. 1999</authority>
        <status candidatus="false" conserved="false" current-name="Methanocaldococcus fervens" current-name-doi="10.1601/nm.165" illegitimate="false" is-current="false" rejected="false" revived="false" status-code="VP" />
      </name-status-group>
    </nomenclature>
  </sibling>
  <sibling doi="10.1601/tx.147" rank="species">
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        <identifier doi="10.1601/nm.147" nomenclatural-type-exemplar="10.1601/ex.147" rank="species" taxon-doi="10.1601/tx.147">Methanococcus vannielii</identifier>
        <authority>Stadtman and Barker 1951 (Approved Lists 1980)</authority>
        <status candidatus="false" conserved="true" current-name="Methanococcus vannielii" current-name-doi="10.1601/nm.147" illegitimate="false" is-current="true" rejected="false" revived="false" status-code="VP" />
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        <identifier is-laboratory-identifier="true" is-mixed-culture="false" is-non-viable="false" is-patent="false" is-symbiont="false" is-unavailable="false" is-variant="false" label="C 16" reference="rid.413" source="reference" />
        <identifier is-laboratory-identifier="false" is-mixed-culture="false" is-non-viable="false" is-patent="false" is-symbiont="false" is-unavailable="false" is-variant="false" label="DSM 3318" reference="rid.5594" source="reference" />
        <identifier is-laboratory-identifier="false" is-mixed-culture="false" is-non-viable="false" is-patent="false" is-symbiont="false" is-unavailable="false" is-variant="false" label="ATCC 43340" source="atcc" />
      </identifiers>
      <features>
        <feature code="10.1601.fr.16S" description="16S gene" id="AY196685" reference="rid.9995" source="reference" url="https://www.ncbi.nlm.nih.gov/nuccore/AY196685" />
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        <name-status-group>
          <identifier doi="10.1601/nm.232" nomenclatural-type-exemplar="10.1601/ex.150" rank="species" taxon-doi="10.1601/tx.232">Methanosarcina frisia</identifier>
          <authority>(Blotevogel et al. 1986) Blotevogel and Fischer 1989</authority>
          <status candidatus="false" conserved="false" current-name="Methanosarcina frisia" current-name-doi="10.1601/nm.232" illegitimate="false" is-current="true" rejected="false" revived="false" status-code="VP" />
        </name-status-group>
        <name-status-group>
          <identifier doi="10.1601/nm.150" nomenclatural-type-exemplar="10.1601/ex.150" rank="species" taxon-doi="10.1601/tx.150">Methanococcus frisius</identifier>
          <authority>Blotevogel et al. 1986</authority>
          <status candidatus="false" conserved="false" current-name="Methanosarcina frisia" current-name-doi="10.1601/nm.232" illegitimate="false" is-current="false" rejected="false" revived="false" status-code="VP" />
        </name-status-group>
      </nomenclature>
      <bibliography xmlns="http://namesforlife.com/ns/reference">
        <reference id="rid.5594">
          <citation citation-type="journal">
            <authors>
              <person-name>
                <surname>List Editor</surname>
                <given-names />
              </person-name>
            </authors>
            <article-title>Validation List no. 22.  Validation of the publication of new names and new combinations previously effectively published outside the IJSB.</article-title>
            <year>1986</year>
            <volume>36</volume>
            <issue>4</issue>
            <fpage>573</fpage>
            <lpage>576</lpage>
            <source id="116">International Journal of Systematic Bacteriology</source>
            <abbrev>Int J Syst Bacteriol</abbrev>
            <issn>0020-7713</issn>
            <pub-id pub-id-type="doi">10.1099/00207713-36-4-573</pub-id>
          </citation>
        </reference>
        <reference id="rid.9995">
          <citation citation-type="journal">
            <authors>
              <person-name>
                <surname>Wright</surname>
                <given-names>A-D.G.</given-names>
              </person-name>
              <person-name>
                <surname>Pimm</surname>
                <given-names>C.</given-names>
              </person-name>
            </authors>
            <article-title>Improved strategy for presumptive identification of methanogens using 16S riboprinting</article-title>
            <year>2003</year>
            <volume>55</volume>
            <issue>2</issue>
            <fpage>337</fpage>
            <lpage>349</lpage>
            <source id="1180">Journal of Microbiological Methods</source>
            <abbrev>J Microbiol Methods</abbrev>
            <issn>0167-7012</issn>
            <pub-id pub-id-type="doi">10.1016/S0167-7012(03)00169-6</pub-id>
            <pub-id pub-id-type="pmid">14529955</pub-id>
          </citation>
        </reference>
        <reference id="rid.413">
          <citation citation-type="journal">
            <authors>
              <person-name>
                <surname>Blotevogel</surname>
                <given-names>K.H.</given-names>
              </person-name>
              <person-name>
                <surname>Fischer</surname>
                <given-names>U.</given-names>
              </person-name>
              <person-name>
                <surname>Lupkes</surname>
                <given-names>K.H.</given-names>
              </person-name>
            </authors>
            <article-title>Methanococcus frisius sp. nov., a new methylotrophic marine methanogen.</article-title>
            <year>1986</year>
            <volume>32</volume>
            <fpage>127</fpage>
            <lpage>131</lpage>
            <source id="217">Canadian Journal of Microbiology</source>
            <abbrev>Can J Microbiol</abbrev>
            <issn>0008-4166</issn>
            <essn>1480-3275</essn>
          </citation>
        </reference>
      </bibliography>
      <annotation xmlns="http://namesforlife.com/ns/common">
        <snapshot date="2024-04-22" date-formatted="April 22, 2024" time="14:02:39" time-formatted="14:02 PM" />
        <modified curator="NamesforLife Curator" date="2016-11-03" date-formatted="November 3, 2016" time="15:37:55" time-formatted="15:37 PM" />
        <created curator="Kara Mannor" date="2010-01-15" date-formatted="January 15, 2010" time="14:20:40" time-formatted="14:20 PM" />
        <public-note>Blotevogel and Fischer 1989 erroneously state that ATCC 43330 corresponds to the type strain of Methanosarcina frisia. According to the ATCC catalog, ATCC 43340 is the correct type strain.</public-note>
      </annotation>
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    <reference id="rid.413">
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          <person-name>
            <surname>Blotevogel</surname>
            <given-names>K.H.</given-names>
          </person-name>
          <person-name>
            <surname>Fischer</surname>
            <given-names>U.</given-names>
          </person-name>
          <person-name>
            <surname>Lupkes</surname>
            <given-names>K.H.</given-names>
          </person-name>
        </authors>
        <article-title>Methanococcus frisius sp. nov., a new methylotrophic marine methanogen.</article-title>
        <year>1986</year>
        <volume>32</volume>
        <fpage>127</fpage>
        <lpage>131</lpage>
        <source id="217">Canadian Journal of Microbiology</source>
        <abbrev>Can J Microbiol</abbrev>
        <issn>0008-4166</issn>
        <essn>1480-3275</essn>
      </citation>
    </reference>
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