<?xml version="1.0" ?>
<!--
  (c) 2024, The Regents of the University of California, through Lawrence Berkeley National Laboratory (subject to receipt of any required approvals from the U.S. Dept. of Energy).
  All rights reserved.

  CLOCKSS system has permission to ingest, preserve, and serve this Archival Unit.
  LOCKSS system has permission to ingest, preserve, and serve this Archival Unit.

  This content is licensed under a Creative Commons Attribution 3.0 International license: https://creativecommons.org/licenses/by/3.0/
-->
<taxon doi="10.1601/tx.192" rank="species" xmlns="http://namesforlife.com/ns/taxon">
  <nomenclature xmlns="http://namesforlife.com/ns/common">
    <name-status-group>
      <identifier doi="10.1601/nm.192" nomenclatural-type-exemplar="10.1601/ex.192" rank="species" taxon-doi="10.1601/tx.192">Methanogenium cariaci</identifier>
      <authority>Romesser et al. 1981 emend. Maestrojuán et al. 1990</authority>
      <status candidatus="false" conserved="false" current-name="Methanogenium cariaci" current-name-doi="10.1601/nm.192" illegitimate="false" is-current="true" rejected="false" revived="false" status-code="VP" />
    </name-status-group>
  </nomenclature>
  <nomenclatural-type nomenclatural-type-exemplar="10.1601/ex.192" xmlns="http://namesforlife.com/ns/common" />
  <taxonomic-equivalence>
    <related-taxon accession="2197" nomos="NCBI Taxonomy" rank="species" 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.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 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>
              <ancestor doi="10.1601/tx.191" rank="genus">
                <nomenclature xmlns="http://namesforlife.com/ns/common">
                  <name-status-group>
                    <identifier doi="10.1601/nm.191" nomenclatural-type="10.1601/tx.192" nomenclatural-type-exemplar="10.1601/ex.192" rank="genus" taxon-doi="10.1601/tx.191">Methanogenium</identifier>
                    <authority>Romesser et al. 1981 emend. Spring et al. 2005</authority>
                    <status candidatus="false" conserved="false" current-name="Methanogenium" current-name-doi="10.1601/nm.191" illegitimate="false" is-current="true" rejected="false" revived="false" status-code="VP" />
                  </name-status-group>
                </nomenclature>
                <ancestor doi="10.1601/tx.192" rank="species">
                  <nomenclature xmlns="http://namesforlife.com/ns/common">
                    <name-status-group>
                      <identifier doi="10.1601/nm.192" nomenclatural-type-exemplar="10.1601/ex.192" rank="species" taxon-doi="10.1601/tx.192">Methanogenium cariaci</identifier>
                      <authority>Romesser et al. 1981 emend. Maestrojuán et al. 1990</authority>
                      <status candidatus="false" conserved="false" current-name="Methanogenium cariaci" current-name-doi="10.1601/nm.192" illegitimate="false" is-current="true" rejected="false" revived="false" status-code="VP" />
                    </name-status-group>
                  </nomenclature>
                </ancestor>
              </ancestor>
            </ancestor>
          </ancestor>
        </ancestor>
      </ancestor>
    </ancestor>
  </ancestor>
  <parent doi="10.1601/tx.191" rank="genus">
    <nomenclature xmlns="http://namesforlife.com/ns/common">
      <name-status-group>
        <identifier doi="10.1601/nm.191" nomenclatural-type="10.1601/tx.192" nomenclatural-type-exemplar="10.1601/ex.192" rank="genus" taxon-doi="10.1601/tx.191">Methanogenium</identifier>
        <authority>Romesser et al. 1981 emend. Spring et al. 2005</authority>
        <status candidatus="false" conserved="false" current-name="Methanogenium" current-name-doi="10.1601/nm.191" illegitimate="false" is-current="true" rejected="false" revived="false" status-code="VP" />
      </name-status-group>
    </nomenclature>
  </parent>
  <sibling doi="10.1601/tx.193" rank="species">
    <nomenclature xmlns="http://namesforlife.com/ns/common">
      <name-status-group>
        <identifier doi="10.1601/nm.193" nomenclatural-type-exemplar="10.1601/ex.193" rank="species" taxon-doi="10.1601/tx.193">Methanogenium aggregans</identifier>
        <authority>Ollivier et al. 1985</authority>
        <status candidatus="false" conserved="false" current-name="Methanocorpusculum aggregans" current-name-doi="10.1601/nm.213" illegitimate="false" is-current="false" rejected="false" revived="false" status-code="VP" />
      </name-status-group>
    </nomenclature>
  </sibling>
  <sibling doi="10.1601/tx.199" rank="species">
    <nomenclature xmlns="http://namesforlife.com/ns/common">
      <name-status-group>
        <identifier doi="10.1601/nm.199" nomenclatural-type-exemplar="10.1601/ex.199" rank="species" taxon-doi="10.1601/tx.199">Methanogenium marisnigri</identifier>
        <authority>Romesser et al. 1981</authority>
        <status candidatus="false" conserved="false" current-name="Methanoculleus marisnigri" current-name-doi="10.1601/nm.181" illegitimate="false" is-current="false" rejected="false" revived="false" status-code="VP" />
      </name-status-group>
    </nomenclature>
  </sibling>
  <sibling doi="10.1601/tx.202" rank="species">
    <nomenclature xmlns="http://namesforlife.com/ns/common">
      <name-status-group>
        <identifier doi="10.1601/nm.202" nomenclatural-type-exemplar="10.1601/ex.202" rank="species" taxon-doi="10.1601/tx.202">Methanogenium tationis</identifier>
        <authority>Zabel et al. 1986</authority>
        <status candidatus="false" conserved="false" current-name="Methanofollis tationis" current-name-doi="10.1601/nm.188" illegitimate="false" is-current="false" rejected="false" revived="false" status-code="VP" />
      </name-status-group>
    </nomenclature>
  </sibling>
  <sibling doi="10.1601/tx.194" rank="species">
    <nomenclature xmlns="http://namesforlife.com/ns/common">
      <name-status-group>
        <identifier doi="10.1601/nm.194" nomenclatural-type-exemplar="10.1601/ex.194" rank="species" taxon-doi="10.1601/tx.194">Methanogenium bourgense</identifier>
        <authority>Ollivier et al. 1986</authority>
        <status candidatus="false" conserved="false" current-name="Methanoculleus bourgensis" current-name-doi="10.1601/nm.179" illegitimate="false" is-current="false" rejected="false" revived="false" status-code="VP" />
      </name-status-group>
    </nomenclature>
  </sibling>
  <sibling doi="10.1601/tx.203" rank="species">
    <nomenclature xmlns="http://namesforlife.com/ns/common">
      <name-status-group>
        <identifier doi="10.1601/nm.203" nomenclatural-type-exemplar="10.1601/ex.203" rank="species" taxon-doi="10.1601/tx.203">Methanogenium thermophilicum</identifier>
        <authority>Rivard and Smith 1982 emend. Zabel et al. 1985</authority>
        <status candidatus="false" conserved="false" current-name="Methanoculleus thermophilus" current-name-doi="10.1601/nm.186" illegitimate="false" is-current="false" rejected="false" revived="false" status-code="VP" />
      </name-status-group>
    </nomenclature>
  </sibling>
  <sibling doi="10.1601/tx.197" rank="species">
    <nomenclature xmlns="http://namesforlife.com/ns/common">
      <name-status-group>
        <identifier doi="10.1601/nm.197" nomenclatural-type-exemplar="10.1601/ex.197" rank="species" taxon-doi="10.1601/tx.197">Methanogenium liminatans</identifier>
        <authority>Zellner et al. 1990</authority>
        <status candidatus="false" conserved="false" current-name="Methanofollis liminatans" current-name-doi="10.1601/nm.190" illegitimate="false" is-current="false" rejected="false" revived="false" status-code="VP" />
      </name-status-group>
    </nomenclature>
  </sibling>
  <sibling doi="10.1601/tx.201" rank="species">
    <nomenclature xmlns="http://namesforlife.com/ns/common">
      <name-status-group>
        <identifier doi="10.1601/nm.201" nomenclatural-type-exemplar="10.1601/ex.201" rank="species" taxon-doi="10.1601/tx.201">Methanogenium organophilum</identifier>
        <authority>Widdel et al. 1989</authority>
        <status candidatus="false" conserved="false" current-name="Methanogenium organophilum" current-name-doi="10.1601/nm.201" illegitimate="false" is-current="true" rejected="false" revived="false" status-code="VP" />
      </name-status-group>
    </nomenclature>
  </sibling>
  <sibling doi="10.1601/tx.200" rank="species">
    <nomenclature xmlns="http://namesforlife.com/ns/common">
      <name-status-group>
        <identifier doi="10.1601/nm.11810" nomenclatural-type-exemplar="10.1601/ex.200" rank="species" taxon-doi="10.1601/tx.200">Methanogenicum olentangyi</identifier>
        <authority>(sic) Corder et al. 1988</authority>
        <status candidatus="false" conserved="false" current-name="Methanoculleus olentangyi" current-name-doi="10.1601/nm.183" illegitimate="false" is-current="false" rejected="false" revived="false" status-code="VP" />
      </name-status-group>
      <name-status-group>
        <identifier doi="10.1601/nm.200" nomenclatural-type-exemplar="10.1601/ex.200" rank="species" taxon-doi="10.1601/tx.200">Methanogenium olentangyi</identifier>
        <authority>corrig. Corder et al. 1988</authority>
        <status candidatus="false" conserved="false" current-name="Methanoculleus olentangyi" current-name-doi="10.1601/nm.183" illegitimate="false" is-current="false" rejected="false" revived="false" status-code="VP" />
      </name-status-group>
    </nomenclature>
  </sibling>
  <sibling doi="10.1601/tx.196" rank="species">
    <nomenclature xmlns="http://namesforlife.com/ns/common">
      <name-status-group>
        <identifier doi="10.1601/nm.196" nomenclatural-type-exemplar="10.1601/ex.196" rank="species" taxon-doi="10.1601/tx.196">Methanogenium frittonii</identifier>
        <authority>Harris et al. 1996</authority>
        <status candidatus="false" conserved="false" current-name="Methanogenium frittonii" current-name-doi="10.1601/nm.196" illegitimate="false" is-current="true" rejected="false" revived="false" status-code="VP" />
      </name-status-group>
    </nomenclature>
  </sibling>
  <sibling doi="10.1601/tx.198" rank="species">
    <nomenclature xmlns="http://namesforlife.com/ns/common">
      <name-status-group>
        <identifier doi="10.1601/nm.198" nomenclatural-type-exemplar="10.1601/ex.198" rank="species" taxon-doi="10.1601/tx.198">Methanogenium marinum</identifier>
        <authority>Chong et al. 2003</authority>
        <status candidatus="false" conserved="false" current-name="Methanogenium marinum" current-name-doi="10.1601/nm.198" illegitimate="false" is-current="true" rejected="false" revived="false" status-code="VP" />
      </name-status-group>
    </nomenclature>
  </sibling>
  <sibling doi="10.1601/tx.195" rank="species">
    <nomenclature xmlns="http://namesforlife.com/ns/common">
      <name-status-group>
        <identifier doi="10.1601/nm.195" nomenclatural-type-exemplar="10.1601/ex.195" rank="species" taxon-doi="10.1601/tx.195">Methanogenium frigidum</identifier>
        <authority>Franzmann et al. 1997</authority>
        <status candidatus="false" conserved="false" current-name="Methanogenium frigidum" current-name-doi="10.1601/nm.195" illegitimate="false" is-current="true" rejected="false" revived="false" status-code="VP" />
      </name-status-group>
    </nomenclature>
  </sibling>
  <exemplars xmlns="http://namesforlife.com/ns/exemplar">
    <exemplar doi="10.1601/ex.192" is-uncultivated="false">
      <biosafety-level code="BSL-1" description="BioSafety Level 1" />
      <identifiers>
        <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 35093" source="atcc" />
        <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="JR1" reference="rid.5130" 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 1497" reference="rid.5130" 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="JCM 10550" source="jcm" />
        <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="OCM 155." source="jcm" />
      </identifiers>
      <features>
        <feature code="10.1601.fr.16S" description="16S gene" id="M59130" reference="rid.7528" source="reference" url="https://www.ncbi.nlm.nih.gov/nuccore/M59130" />
        <feature code="10.1601.fr.16S" description="16S gene" id="FR733663" source="genbank" url="https://www.ncbi.nlm.nih.gov/nuccore/FR733663" />
      </features>
      <nomenclature xmlns="http://namesforlife.com/ns/common">
        <name-status-group>
          <identifier doi="10.1601/nm.192" nomenclatural-type-exemplar="10.1601/ex.192" rank="species" taxon-doi="10.1601/tx.192">Methanogenium cariaci</identifier>
          <authority>Romesser et al. 1981 emend. Maestrojuán et al. 1990</authority>
          <status candidatus="false" conserved="false" current-name="Methanogenium cariaci" current-name-doi="10.1601/nm.192" illegitimate="false" is-current="true" rejected="false" revived="false" status-code="VP" />
        </name-status-group>
      </nomenclature>
      <bibliography xmlns="http://namesforlife.com/ns/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.7528">
          <citation citation-type="journal">
            <authors>
              <person-name>
                <surname>Rouvière</surname>
                <given-names>P.</given-names>
              </person-name>
              <person-name>
                <surname>Mandelco</surname>
                <given-names>L.</given-names>
              </person-name>
              <person-name>
                <surname>Winker</surname>
                <given-names>S.</given-names>
              </person-name>
              <person-name>
                <surname>Woese</surname>
                <given-names>C.R.</given-names>
              </person-name>
            </authors>
            <article-title>A detailed phylogeny for the Methanomicrobiales.</article-title>
            <year>1992</year>
            <volume>15</volume>
            <fpage>363</fpage>
            <lpage>371</lpage>
            <source id="121">Systematic and Applied Microbiology</source>
            <abbrev>Syst Appl Microbiol</abbrev>
            <issn>0723-2020</issn>
            <pub-id pub-id-type="doi">10.1016/S0723-2020(11)80209-2</pub-id>
            <pub-id pub-id-type="pmid">11540078</pub-id>
          </citation>
        </reference>
      </bibliography>
      <annotation xmlns="http://namesforlife.com/ns/common">
        <snapshot date="2024-04-22" date-formatted="April 22, 2024" time="14:02:54" time-formatted="14:02 PM" />
        <modified curator="George M Garrity" date="2019-06-04" date-formatted="June 4, 2019" time="16:36:00" time-formatted="16:36 PM" />
        <created curator="Dorothea Rohlfs" date="2010-02-25" date-formatted="February 25, 2010" time="09:41:29" time-formatted="9:41 AM" />
      </annotation>
    </exemplar>
  </exemplars>
  <bibliography xmlns="http://namesforlife.com/ns/reference">
    <reference id="rid.6312">
      <citation citation-type="journal">
        <authors>
          <person-name>
            <surname>Romesser</surname>
            <given-names>J.A.</given-names>
          </person-name>
          <person-name>
            <surname>Wolfe</surname>
            <given-names>R.S.</given-names>
          </person-name>
          <person-name>
            <surname>Mayer</surname>
            <given-names>F.</given-names>
          </person-name>
          <person-name>
            <surname>Spiess</surname>
            <given-names>E.</given-names>
          </person-name>
          <person-name>
            <surname>Walther-Mauruschat</surname>
            <given-names>A.</given-names>
          </person-name>
        </authors>
        <article-title>Methanogenium, a new genus of marine methanogenic bacteria, and characterization of Methanogenium cariaci sp. nov. and Methanogenium marisnigri sp. nov.</article-title>
        <year>1979</year>
        <volume>121</volume>
        <fpage>147</fpage>
        <lpage>153</lpage>
        <source id="746">Archiv für Mikrobiologie</source>
        <abbrev>Arch Mikrobiol</abbrev>
        <issn>0003-9276</issn>
      </citation>
    </reference>
  </bibliography>
  <annotation xmlns="http://namesforlife.com/ns/common">
    <snapshot date="2024-04-22" date-formatted="April 22, 2024" time="14:02:55" time-formatted="14:02 PM" />
  </annotation>
</taxon>
