Name: "Methanomicrobia" Garrity et al. 2003

Category: Class

Proposed as: class. nov.

Etymology: N.L. neut. pl. n. Methanomicrobia, the Methanomicrobiales class

Gender: neuter

Type order: Methanomicrobiales Balch and Wolfe 1981

Original publication: Garrity GM, Bell JA, Lilburn TG. Taxonomic Outline of the Procaryotes. Bergey's Manual of Systematic Bacteriology, Second Edition, Release 4.0. Springer-Verlag, New York, 2003.

Nomenclatural status: not validly published

• Notes:
  • Leu et al. (2020) assigned the family "Candidatus Methanoperedenaceae" Haroon et al. 2013 to this class. Publication: Leu AO, Cai C, McIlroy SJ, Southam G, Orphan VJ, Yuan Z, Hu S, Tyson GW. Anaerobic methane oxidation coupled to manganese reduction by members of the Methanoperedenaceae. ISME J 2020; 14:1030-1041.
  • Mondav et al. (2014) assigned the family "Candidatus Methanoflorentaceae" Mondav et al. 2014 to this class. Publication: Mondav R, Woodcroft BJ, Kim EH, McCalley CK, Hodgkins SB, Crill PM, Chanton J, Hurst GB, VerBerkmoes NC, Saleska SR, et al. Discovery of a novel methanogen prevalent in thawing permafrost. Nat Commun 2014; 5:3212.
  • Yilmaz et al. (2014) assigned the genus Methanomassiliicoccus Dridi et al. 2012 to this class. Publication: Yilmaz P, Parfrey LW, Yarza P, Gerken J, Pruesse E, Quast C, Schweer T, Peplies J, Ludwig W, Glöckner FO. The SILVA and “all-species living tree project (LTP)” taxonomic frameworks. Nucleic Acids Research 2014; 42(D1):D643-D648.
  • The type order of this class has alternatively been placed in the class Methanothermea Cavalier-Smith 2002. Publication: Cavalier-Smith T. The neomuran origin of archaebacteria, the negibacterial root of the universal tree and bacterial megaclassification. Int J Syst Evol Microbiol 2002; 52:7-76.
  • The type order of this class has alternatively been placed in the class Methanococci Boone 2002. Publication: Boone DR. Class II. Methanococci class. nov. In: Boone DR, Castenholz RW, Garrity GM (eds), Bergey's Manual of Systematic Bacteriology, second edition, vol. 1 (The Archaea and the deeply branching and phototrophic Bacteria), Springer-Verlag, New York, 2001, p. 235-236.
  • This taxon name is occasionally misprinted in some sources as: "Metanomicrobia".
  • The BRCs most frequently used for deposits in this group are: DSM: 128; ATCC: 54; JCM: 36; NBRC: 27; VKM: 9; BCRC: 8; CGMCC: 8; CCRC: 2; MCCC: 1; KCTC: 1.

Subdivision:

Number of child taxa with a validly published and correct name: 3
Number of child taxa with a validly published name, including synonyms: 3
Total number of child taxa: 5

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Methanocellales Sakai et al. 2008	validly published under the ICNP	correct name
    "Candidatus Methanoflorentales" Woodcroft et al. 2018	not validly published
    Methanomicrobiales Balch and Wolfe 1981	validly published under the ICNP	correct name
    [Methanomicrobia, not assigned to order]	artificial parent node of taxa incertae sedis
    Methanosarcinales Boone et al. 2002	validly published under the ICNP	correct name

Parent taxon: "Euryarchaeota" Garrity and Holt 2001

Assigned by: Garrity GM, Bell JA, Lilburn TG. Taxonomic Outline of the Procaryotes. Bergey's Manual of Systematic Bacteriology, Second Edition, Release 4.0. Springer-Verlag, New York, 2003.

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Record number: 85