Name: Methanobacteriales Balch and Wolfe 1981

Category: Order

Proposed as: ord. nov.

Etymology: N.L. neut. n. Methanobacterium, type genus of the order; L. fem. pl. n. suff. -ales, ending to denote an order; N.L. fem. pl. n. Methanobacteriales, the Methanobacterium order

Gender: feminine

Type genus: Methanobacterium Kluyver and van Niel 1936 (Approved Lists 1980)

Effective publication: Balch WE, Fox GE, Magrum LJ, Woese CR, Wolfe RS. Methanogens: reevaluation of a unique biological group. Microbiol Rev 1979; 43:260-296.

IJSEM list: Anonymous. Validation list no. 6. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1981; 31:215-218.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Synonyms:

  • Name	Kind
    "Candidatus Tepidaquicellales" corrig. Kadnikov et al. 2020	heterotypic synonym, not validly published
    "Candidatus Tepidiaquacellales" Kadnikov et al. 2020	heterotypic synonym, inaccurate spelling

• Notes:
  • Nomenclatural type of the class Archaeobacteria Murray 1988. Publication: Murray RGE. The higher taxa, or, a place for everything..? In: Krieg NR, Holt JG (eds), Bergey's Manual of Systematic Bacteriology, first edition, vol. 1, The Williams & Wilkins Co., Baltimore, 1984, p. 31-34.
  • Nomenclatural type of the class Methanobacteria Boone 2002. Publication: Boone DR. Class I. Methanobacteria class. nov. In: Boone DR, Castenholz RW, Garrity GM (eds), Bergey's Manual of Systematic Bacteriology, 2nd edn, vol. 1 (The Archaea and the Deeply Branching and Phototrophic Bacteria), Springer, New York, 2001, p. 213-235.
  • Nomenclatural type of the phylum "Euryarchaeota" Garrity and Holt 2001. Publication: Garrity GM, Holt JG. Phylum AII. Euryarchaeota phy. 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. 211-355.
  • Cavalier-Smith (2002) assigned this order to 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.
  • Woese et al. (1990) assigned this order to the kingdom "Euryarchaeota" Woese et al. 1990. Publication: Woese CR, Kandler O, Wheelis ML. Towards a natural system of organisms: proposal for the domains Archaea, Bacteria, and Eucarya. Proc Natl Acad Sci U S A 1990; 87:4576-4579.
  • This taxon name is occasionally misprinted in some sources as: "Metahnobacteriales"; "Methanobocterlales".
  • The authority of the taxon name (Balch and Wolfe) deliberately differs from the authors of the publication (Balch et al.).
  • The BRCs most frequently used for deposits in this group are: DSM: 77; ATCC: 36; JCM: 32; VKM: 22; NBRC: 17; CGMCC: 3; KCTC: 1.
  • This name was mentioned in a Request for an Opinion. Publication: Goker M. Solving the remaining problems with names of classes. Request for an Opinion. Int J Syst Evol Microbiol 2022; 72:5605.
  • On the Validation List no. 6, in violation of Rules 15 and 21a, the nomenclatural type is given as Methanobacteriaceae Barker 1956 (Approved Lists 1980). Publication: Euzeby JP, Tindall BJ. 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. Int J Syst Evol Microbiol 2001; 51:725-727.

Subdivision:

Number of child taxa with a validly published and correct name: 2
Number of child taxa with a validly published name, including synonyms: 2
Total number of child taxa: 2

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Methanobacteriaceae Barker 1956 (Approved Lists 1980)	validly published under the ICNP	correct name
    Methanothermaceae Stetter 1982	validly published under the ICNP	correct name

Parent taxon: Methanobacteria Boone 2002

Assigned by: Boone DR. Class I. Methanobacteria 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. 213.

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Record number: 5029