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<name doi="10.1601/nm.92" xmlns="http://namesforlife.com/ns/name">
  <nomenclature xmlns="http://namesforlife.com/ns/common">
    <name-status-group>
      <identifier doi="10.1601/nm.92" nomenclatural-type="10.1601/tx.94" nomenclatural-type-exemplar="10.1601/ex.95" rank="order" taxon-doi="10.1601/tx.92">Methanobacteriales</identifier>
      <authority>Balch and Wolfe 1981</authority>
      <status candidatus="false" conserved="false" current-name="Methanobacteriales" current-name-doi="10.1601/nm.92" 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>
  <taxon doi="10.1601/tx.92" rank="order" xmlns="http://namesforlife.com/ns/taxon">
    <nomenclature xmlns="http://namesforlife.com/ns/common">
      <name-status-group>
        <identifier doi="10.1601/nm.92" nomenclatural-type="10.1601/tx.94" nomenclatural-type-exemplar="10.1601/ex.95" rank="order" taxon-doi="10.1601/tx.92">Methanobacteriales</identifier>
        <authority>Balch and Wolfe 1981</authority>
        <status candidatus="false" conserved="false" current-name="Methanobacteriales" current-name-doi="10.1601/nm.92" illegitimate="false" is-current="true" rejected="false" revived="false" status-code="VP" />
      </name-status-group>
    </nomenclature>
    <nomenclatural-type nomenclatural-type-exemplar="10.1601/ex.95" xmlns="http://namesforlife.com/ns/common">
      <name-status-group>
        <identifier doi="10.1601/nm.94" nomenclatural-type="10.1601/tx.95" nomenclatural-type-exemplar="10.1601/ex.95" rank="genus" taxon-doi="10.1601/tx.94">Methanobacterium</identifier>
        <authority>Kluyver and van Niel 1936 emend. Balch and Wolfe 1979 (Approved Lists 1980)</authority>
        <status candidatus="false" conserved="false" current-name="Methanobacterium" current-name-doi="10.1601/nm.94" illegitimate="false" is-current="true" rejected="false" revived="false" status-code="VP" />
      </name-status-group>
    </nomenclatural-type>
    <taxonomic-equivalence>
      <related-taxon accession="2158" 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">
        <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.91" rank="class">
            <nomenclature xmlns="http://namesforlife.com/ns/common">
              <name-status-group>
                <identifier doi="10.1601/nm.91" nomenclatural-type="10.1601/tx.92" nomenclatural-type-exemplar="10.1601/ex.95" rank="class" taxon-doi="10.1601/tx.91">Methanobacteria</identifier>
                <authority>(Murray 1988) Boone 2002</authority>
                <status candidatus="false" conserved="false" current-name="Methanobacteria" current-name-doi="10.1601/nm.91" illegitimate="false" is-current="true" rejected="false" revived="false" status-code="VP" />
              </name-status-group>
            </nomenclature>
            <ancestor doi="10.1601/tx.92" rank="order">
              <nomenclature xmlns="http://namesforlife.com/ns/common">
                <name-status-group>
                  <identifier doi="10.1601/nm.92" nomenclatural-type="10.1601/tx.94" nomenclatural-type-exemplar="10.1601/ex.95" rank="order" taxon-doi="10.1601/tx.92">Methanobacteriales</identifier>
                  <authority>Balch and Wolfe 1981</authority>
                  <status candidatus="false" conserved="false" current-name="Methanobacteriales" current-name-doi="10.1601/nm.92" 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.91" rank="class">
      <nomenclature xmlns="http://namesforlife.com/ns/common">
        <name-status-group>
          <identifier doi="10.1601/nm.91" nomenclatural-type="10.1601/tx.92" nomenclatural-type-exemplar="10.1601/ex.95" rank="class" taxon-doi="10.1601/tx.91">Methanobacteria</identifier>
          <authority>(Murray 1988) Boone 2002</authority>
          <status candidatus="false" conserved="false" current-name="Methanobacteria" current-name-doi="10.1601/nm.91" illegitimate="false" is-current="true" rejected="false" revived="false" status-code="VP" />
        </name-status-group>
      </nomenclature>
    </parent>
    <child doi="10.1601/tx.139" rank="family">
      <nomenclature xmlns="http://namesforlife.com/ns/common">
        <name-status-group>
          <identifier doi="10.1601/nm.139" nomenclatural-type="10.1601/tx.140" nomenclatural-type-exemplar="10.1601/ex.141" rank="family" taxon-doi="10.1601/tx.139">Methanothermaceae</identifier>
          <authority>Stetter et al. 1982</authority>
          <status candidatus="false" conserved="false" current-name="Methanothermaceae" current-name-doi="10.1601/nm.139" illegitimate="false" is-current="true" rejected="false" revived="false" status-code="VP" />
        </name-status-group>
      </nomenclature>
    </child>
    <child doi="10.1601/tx.93" rank="family">
      <nomenclature xmlns="http://namesforlife.com/ns/common">
        <name-status-group>
          <identifier doi="10.1601/nm.93" nomenclatural-type="10.1601/tx.94" nomenclatural-type-exemplar="10.1601/ex.95" rank="family" taxon-doi="10.1601/tx.93">Methanobacteriaceae</identifier>
          <authority>Barker 1956 emend. Balch and Wolfe 1979 (Approved Lists 1980)</authority>
          <status candidatus="false" conserved="false" current-name="Methanobacteriaceae" current-name-doi="10.1601/nm.93" 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.5108">
        <citation citation-type="journal">
          <authors>
            <person-name>
              <surname>List Editor</surname>
              <given-names />
            </person-name>
          </authors>
          <article-title>Validation of the publication of new names and new combinations previously effectively published outside the IJSB. List No. 25.</article-title>
          <year>1988</year>
          <volume>38</volume>
          <issue>2</issue>
          <fpage>220</fpage>
          <lpage>222</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">10.1099/00207713-38-2-220</pub-id>
        </citation>
      </reference>
      <reference id="rid.2711">
        <citation citation-type="journal">
          <authors>
            <person-name>
              <surname>List Editor</surname>
              <given-names />
            </person-name>
          </authors>
          <article-title>Validation List no. 85. Validation of publication of new names and new combinations previously effectively published outside the IJSEM</article-title>
          <year>2002</year>
          <volume>52</volume>
          <issue>3</issue>
          <fpage>685</fpage>
          <lpage>690</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">10.1099/00207713-52-3-685</pub-id>
          <pub-id pub-id-type="pmid">12054225</pub-id>
        </citation>
      </reference>
    </bibliography>
    <annotation xmlns="http://namesforlife.com/ns/common">
      <snapshot date="2024-04-22" date-formatted="April 22, 2024" time="14:02:14" time-formatted="14:02 PM" />
      <modified curator="Charles Parker" date="2019-11-08" date-formatted="November 8, 2019" time="14:12:02" time-formatted="14:12 PM" />
      <created curator="Charles Parker" date="2017-01-26" date-formatted="January 26, 2017" time="17:11:31" time-formatted="17:11 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.7525">
      <citation citation-type="journal">
        <authors>
          <person-name>
            <surname>Judicial Commission of the International Committee on Systematics of Prokaryotes</surname>
            <given-names />
          </person-name>
        </authors>
        <article-title>The nomenclatural types of the orders Acholeplasmatales, Halanaerobiales, Halobacteriales, Methanobacteriales, Methanococcales, Methanomicrobiales, Planctomycetales, Prochlorales, Sulfolobales, Thermococcales, Thermoproteales and Verrucomicrobiales are the genera Acholeplasma, Halanaerobium, Halobacterium, Methanobacterium, Methanococcus, Methanomicrobium, Planctomyces, Prochloron, Sulfolobus, Thermococcus, Thermoproteus and Verrucomicrobium, respectively. Opinion 79.</article-title>
        <year>2005</year>
        <volume>55</volume>
        <issue>1</issue>
        <fpage>517</fpage>
        <lpage>518</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/ijs.0.63548-0</pub-id>
        <pub-id pub-id-type="pmid">15653928</pub-id>
      </citation>
    </reference>
    <reference id="rid.3531">
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        <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.7526">
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        <authors>
          <person-name>
            <surname>Euzéby</surname>
            <given-names>J.P.</given-names>
          </person-name>
          <person-name>
            <surname>Tindall</surname>
            <given-names>B.J.</given-names>
          </person-name>
        </authors>
        <article-title>Nomenclatural type of orders: corrections necessary according to Rules 15 and 21a of the Bacteriological Code (1990 Revision), and designation of appropriate nomenclatural types of classes and subclasses. Request for an opinion.</article-title>
        <year>2001</year>
        <volume>51</volume>
        <issue>2</issue>
        <fpage>725</fpage>
        <lpage>727</lpage>
        <source id="117">International Journal of Systematic and Evolutionary Microbiology</source>
        <abbrev>Int J Syst Evol Microbiol</abbrev>
        <issn>1466-5026</issn>
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      </citation>
    </reference>
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      <citation citation-type="journal">
        <authors>
          <person-name>
            <surname>Garrity</surname>
            <given-names>G.M.</given-names>
          </person-name>
          <person-name>
            <surname>Labeda</surname>
            <given-names>D.P.</given-names>
          </person-name>
          <person-name>
            <surname>Oren</surname>
            <given-names>A.</given-names>
          </person-name>
        </authors>
        <article-title>Judicial Commission of the International Committee
on Systematics of Prokaryotes; XIIth International (IUMS) Congress of Bacteriology and Applied Microbiology. Minutes of the meetings, 3, 4 and 6 August 2008, Istanbul, Turkey</article-title>
        <year>2011</year>
        <volume>61</volume>
        <issue>11</issue>
        <fpage>2775</fpage>
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        <source id="117">International Journal of Systematic and Evolutionary Microbiology</source>
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          <person-name>
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          </person-name>
        </authors>
        <article-title>Names at the rank of class, subclass and order, their typification and current status: Supplementary information to Opinion 79.</article-title>
        <year>2014</year>
        <volume>64</volume>
        <issue>10</issue>
        <fpage>3599</fpage>
        <lpage>3602</lpage>
        <source id="117">International Journal of Systematic and Evolutionary Microbiology</source>
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        <essn>1466-5034</essn>
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        <pub-id pub-id-type="pmid">25288668</pub-id>
      </citation>
    </reference>
  </bibliography>
  <annotation xmlns="http://namesforlife.com/ns/common">
    <snapshot date="2024-04-22" date-formatted="April 22, 2024" time="14:02:14" time-formatted="14:02 PM" />
    <modified curator="Charles Parker" date="2019-11-08" date-formatted="November 8, 2019" time="14:12:02" time-formatted="14:12 PM" />
    <created curator="Sarah Wigley" date="2009-04-15" date-formatted="April 15, 2009" time="09:45:22" time-formatted="9:45 AM" />
  </annotation>
</name>
