<?xml version="1.0" ?>
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<name doi="10.1601/nm.145" xmlns="http://namesforlife.com/ns/name">
  <nomenclature xmlns="http://namesforlife.com/ns/common">
    <name-status-group>
      <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>
  <events>
    <event date="1981" list-number="6" reference="rid.5130" type="validation" />
    <event date="1979" reference="rid.21505" type="effective-publication" />
  </events>
  <taxon doi="10.1601/tx.145" rank="family" xmlns="http://namesforlife.com/ns/taxon">
    <nomenclature xmlns="http://namesforlife.com/ns/common">
      <name-status-group>
        <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>
    <nomenclatural-type nomenclatural-type-exemplar="10.1601/ex.147" xmlns="http://namesforlife.com/ns/common">
      <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>
    </nomenclatural-type>
    <taxonomic-equivalence>
      <related-taxon accession="2183" nomos="NCBI Taxonomy" rank="family" 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">
        <nomenclature xmlns="http://namesforlife.com/ns/common">
          <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.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>
              <ancestor doi="10.1601/tx.145" rank="family">
                <nomenclature xmlns="http://namesforlife.com/ns/common">
                  <name-status-group>
                    <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>
            </ancestor>
          </ancestor>
        </ancestor>
      </ancestor>
    </ancestor>
    <parent 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>
    </parent>
    <sibling doi="10.1601/tx.163" rank="family">
      <nomenclature xmlns="http://namesforlife.com/ns/common">
        <name-status-group>
          <identifier doi="10.1601/nm.163" nomenclatural-type="10.1601/tx.164" nomenclatural-type-exemplar="10.1601/ex.154" rank="family" taxon-doi="10.1601/tx.163">Methanocaldococcaceae</identifier>
          <authority>Whitman et al. 2002</authority>
          <status candidatus="false" conserved="false" current-name="Methanocaldococcaceae" current-name-doi="10.1601/nm.163" illegitimate="false" is-current="true" rejected="false" revived="false" status-code="VP" />
        </name-status-group>
      </nomenclature>
    </sibling>
    <sibling doi="10.1601/tx.34664" rank="family">
      <nomenclature xmlns="http://namesforlife.com/ns/common">
        <name-status-group>
          <identifier doi="10.1601/nm.34664" nomenclatural-type="10.1601/tx.34589" nomenclatural-type-exemplar="10.1601/ex.34590" rank="family" taxon-doi="10.1601/tx.34664">Incertae sedis 508</identifier>
          <authority>Rissanen et al. 2018</authority>
          <status candidatus="false" conserved="false" current-name="Incertae sedis 508" current-name-doi="10.1601/nm.34664" illegitimate="true" is-current="true" rejected="false" revived="false" status-code="NVP" />
        </name-status-group>
      </nomenclature>
    </sibling>
    <child doi="10.1601/tx.160" rank="genus">
      <nomenclature xmlns="http://namesforlife.com/ns/common">
        <name-status-group>
          <identifier doi="10.1601/nm.160" nomenclatural-type="10.1601/tx.161" nomenclatural-type-exemplar="10.1601/ex.157" rank="genus" taxon-doi="10.1601/tx.160">Methanothermococcus</identifier>
          <authority>Whitman 2002</authority>
          <status candidatus="false" conserved="false" current-name="Methanothermococcus" current-name-doi="10.1601/nm.160" illegitimate="false" is-current="true" rejected="false" revived="false" status-code="VP" />
        </name-status-group>
      </nomenclature>
    </child>
    <child doi="10.1601/tx.146" rank="genus">
      <nomenclature xmlns="http://namesforlife.com/ns/common">
        <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>
    </child>
    <child doi="10.1601/tx.34273" rank="genus">
      <nomenclature xmlns="http://namesforlife.com/ns/common">
        <name-status-group>
          <identifier doi="10.1601/nm.34273" nomenclatural-type="10.1601/tx.34274" nomenclatural-type-exemplar="10.1601/ex.34274" rank="genus" taxon-doi="10.1601/tx.34273">Methanofervidicoccus</identifier>
          <authority>Sakai et al. 2019</authority>
          <status candidatus="false" conserved="false" current-name="Methanofervidicoccus" current-name-doi="10.1601/nm.34273" illegitimate="false" is-current="true" rejected="false" revived="false" status-code="VP" />
        </name-status-group>
      </nomenclature>
    </child>
    <exemplars xmlns="http://namesforlife.com/ns/exemplar" />
    <bibliography xmlns="http://namesforlife.com/ns/reference">
      <reference id="rid.20931">
        <citation citation-type="journal">
          <authors>
            <person-name>
              <surname>Sakai</surname>
              <given-names>S.</given-names>
            </person-name>
            <person-name>
              <surname>Takaki</surname>
              <given-names>Y.</given-names>
            </person-name>
            <person-name>
              <surname>Miyazaki</surname>
              <given-names>M.</given-names>
            </person-name>
            <person-name>
              <surname>Ogawara</surname>
              <given-names>M.</given-names>
            </person-name>
            <person-name>
              <surname>Yanagawa</surname>
              <given-names>K.</given-names>
            </person-name>
            <person-name>
              <surname>Miyazaki</surname>
              <given-names>J.</given-names>
            </person-name>
            <person-name>
              <surname>Takai</surname>
              <given-names>K.</given-names>
            </person-name>
          </authors>
          <article-title>Methanofervidicoccus abyssi gen. nov., sp. nov., a hydrogenotrophic methanogen, isolated from a hydrothermal vent chimney in the Mid-Cayman Spreading Center, the Caribbean Sea.</article-title>
          <year>2019</year>
          <volume>69</volume>
          <issue>4</issue>
          <fpage>1225</fpage>
          <lpage>1230</lpage>
          <source id="117">International Journal of Systematic and Evolutionary Microbiology</source>
          <abbrev>Int J Syst Evol Microbiol</abbrev>
          <issn>1466-5026</issn>
          <essn>1466-5034</essn>
          <pub-id pub-id-type="doi">10.1099/ijsem.0.003297</pub-id>
          <pub-id pub-id-type="pmid">30843780</pub-id>
        </citation>
      </reference>
      <reference id="rid.3531">
        <citation citation-type="journal">
          <authors>
            <person-name>
              <surname>Balch</surname>
              <given-names>W.E.</given-names>
            </person-name>
            <person-name>
              <surname>Fox</surname>
              <given-names>G.E.</given-names>
            </person-name>
            <person-name>
              <surname>Magrum</surname>
              <given-names>L.J.</given-names>
            </person-name>
            <person-name>
              <surname>Woese</surname>
              <given-names>C.R.</given-names>
            </person-name>
            <person-name>
              <surname>Wolfe</surname>
              <given-names>R.S.</given-names>
            </person-name>
          </authors>
          <article-title>Methanogens: reevaluation of a unique biological group.</article-title>
          <year>1979</year>
          <volume>43</volume>
          <issue>2</issue>
          <fpage>260</fpage>
          <lpage>296</lpage>
          <source id="402">Microbiological Reviews</source>
          <abbrev>Microbiol Rev</abbrev>
          <issn>0146-0749</issn>
          <pub-id pub-id-type="pmid">390357</pub-id>
        </citation>
      </reference>
      <reference id="rid.5413">
        <citation citation-type="journal">
          <authors>
            <person-name>
              <surname>Kluyver</surname>
              <given-names>A.J.</given-names>
            </person-name>
            <person-name>
              <surname>van Niel</surname>
              <given-names>C.B.</given-names>
            </person-name>
          </authors>
          <article-title>Prospects for a natural system of classification of bacteria</article-title>
          <year>1936</year>
          <volume>94</volume>
          <fpage>369</fpage>
          <lpage>403</lpage>
          <source id="941">Zentralblatt für Bakteriologie, Parasitenkunde, Infektionskrankheiten und Hygiene. Abteilung II</source>
          <abbrev>Zentralbl Bakteriol Parasitenkd Infektionskr Hyg</abbrev>
          <issn>0044-4057</issn>
        </citation>
      </reference>
    </bibliography>
    <annotation xmlns="http://namesforlife.com/ns/common">
      <snapshot date="2024-04-22" date-formatted="April 22, 2024" time="14:02:37" time-formatted="14:02 PM" />
      <modified curator="Charles Parker" date="2019-11-08" date-formatted="November 8, 2019" time="14:16:57" time-formatted="14:16 PM" />
      <created curator="Sarah Wigley" date="2009-05-07" date-formatted="May 7, 2009" time="15:48:00" time-formatted="15:48 PM" />
    </annotation>
  </taxon>
  <synonyms>
    <synonyms-from />
    <synonyms-to />
  </synonyms>
  <bibliography xmlns="http://namesforlife.com/ns/reference">
    <reference id="rid.21505">
      <citation citation-type="unpublished">
        <article-title>Formal detailed proposal: Revision of classification in nomenclature</article-title>
        <year>1979</year>
      </citation>
    </reference>
    <reference id="rid.5130">
      <citation citation-type="journal">
        <authors>
          <person-name>
            <surname>List Editor</surname>
            <given-names />
          </person-name>
        </authors>
        <article-title>Validation List no. 6. Validation of the publication of new names and new combinations previously effectively published outside the IJSB.</article-title>
        <year>1981</year>
        <volume>31</volume>
        <issue>2</issue>
        <fpage>215</fpage>
        <lpage>218</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">10.1099/00207713-31-2-215</pub-id>
      </citation>
    </reference>
    <reference id="rid.3531">
      <citation citation-type="journal">
        <authors>
          <person-name>
            <surname>Balch</surname>
            <given-names>W.E.</given-names>
          </person-name>
          <person-name>
            <surname>Fox</surname>
            <given-names>G.E.</given-names>
          </person-name>
          <person-name>
            <surname>Magrum</surname>
            <given-names>L.J.</given-names>
          </person-name>
          <person-name>
            <surname>Woese</surname>
            <given-names>C.R.</given-names>
          </person-name>
          <person-name>
            <surname>Wolfe</surname>
            <given-names>R.S.</given-names>
          </person-name>
        </authors>
        <article-title>Methanogens: reevaluation of a unique biological group.</article-title>
        <year>1979</year>
        <volume>43</volume>
        <issue>2</issue>
        <fpage>260</fpage>
        <lpage>296</lpage>
        <source id="402">Microbiological Reviews</source>
        <abbrev>Microbiol Rev</abbrev>
        <issn>0146-0749</issn>
        <pub-id pub-id-type="pmid">390357</pub-id>
      </citation>
    </reference>
  </bibliography>
  <annotation xmlns="http://namesforlife.com/ns/common">
    <snapshot date="2024-04-22" date-formatted="April 22, 2024" time="14:02:37" time-formatted="14:02 PM" />
    <modified curator="Charles Parker" date="2019-11-08" date-formatted="November 8, 2019" time="14:16:57" time-formatted="14:16 PM" />
    <created curator="Sarah Wigley" date="2009-05-07" date-formatted="May 7, 2009" time="15:47:46" time-formatted="15:47 PM" />
  </annotation>
</name>
