Name: "Euryarchaeota" Garrity and Holt 2001

Category: Phylum

Proposed as: phyl. nov.

Etymology: Eur.y.arch.ae.o’ta. N.L. neut. pl. n. Euryarchaeota, from the Kingdom Euryarchaeota (Woese, Kandler and Wheelis 1990, 4579)

Gender: neuter

Type order: Methanobacteriales Balch and Wolfe 1981

Original 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.

IJSEM list: Anonymous. Validation list no. 85. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2002; 52:685-690.

Nomenclatural status: not validly published

Preferred name: "Methanobacteriota" Whitman et al. 2018

• Synonyms:

  • Name	Kind
    "Archaebacteria" Cavalier-Smith 2002	heterotypic synonym, not validly published
    "Mendosicutes" Murray 1984	homotypic synonym, not validly published
    "Methanobacteraeota" Oren et al. 2015	homotypic synonym, not validly published
    "Methanobacteriota" Whitman et al. 2018	homotypic synonym, not validly published

• Notes:
  • Adam et al. (2017) assigned the superclass "Stygia" Adam et al. 2017 to this phylum. Publication: Adam PS, Borrel G, Brochier-Armanet C, Gribaldo S. The growing tree of Archaea: new perspectives on their diversity, evolution and ecology. ISME J 2017; 11:2407-2425.
  • Adam et al. (2017) assigned the superclass "Acherontia" Adam et al. 2017 to this phylum. Publication: Adam PS, Borrel G, Brochier-Armanet C, Gribaldo S. The growing tree of Archaea: new perspectives on their diversity, evolution and ecology. ISME J 2017; 11:2407-2425.
  • Borrel et al. (2012) assigned the genus "Candidatus Methanomethylophilus" Borrel et al. 2012 to this phylum. Publication: Borrel G, Harris HM, Tottey W, Mihajlovski A, Parisot N, Peyretaillade E, Peyret P, Gribaldo S, O'Toole PW, Brugere JF. Genome sequence of "Candidatus Methanomethylophilus alvus" Mx1201, a methanogenic archaeon from the human gut belonging to a seventh order of methanogens. J Bacteriol 2012; 194:6944-6945.
  • Fujishima et al. (2011) assigned the genus "Candidatus Micrarchaeum" Baker et al. 2010 to this phylum. Publication: Fujishima K, Sugahara J, Miller CS, Baker BJ, Di Giulio M, Takesue K, Sato A, Tomita M, Banfield JF, Kanai A. A novel three-unit tRNA splicing endonuclease found in ultrasmall Archaea possesses broad substrate specificity. Nucleic Acids Res 2011; 39:9695-9704.
  • Ludwig et al. (2021) assigned the class "Methanonatroarchaeia" to this phylum. Publication: Ludwig W, Viver T, Westram R, Francisco Gago J, Bustos-Caparros E, Knittel K, Amann R, Rossello-Mora R. Release LTP_12_2020, featuring a new ARB alignment and improved 16S rRNA tree for prokaryotic type strains. Syst Appl Microbiol 2021; 44:126218.
  • Petitjean et al. (2015) assigned the superclass "Diaforarchaea" Petitjean et al. 2015 to this phylum. Publication: Petitjean C, Deschamps P, Lopez-Garcia P, Moreira D, Brochier-Armanet C. Extending the conserved phylogenetic core of archaea disentangles the evolution of the third domain of life. Mol Biol Evol 2015; 32:1242-1254.
  • Petitjean et al. (2015) assigned the superclass "Methanomada" Petitjean et al. 2015 to this phylum. Publication: Petitjean C, Deschamps P, Lopez-Garcia P, Moreira D, Brochier-Armanet C. Extending the conserved phylogenetic core of archaea disentangles the evolution of the third domain of life. Mol Biol Evol 2015; 32:1242-1254.
  • This taxon name is occasionally misprinted in some sources as: "Euiyarchaeota"; "Euryachaeota"; "Euryanhaeota"; "Euryarachaeota"; "Euryarchaeaota"; "Euryarchaota"; "Euryarcheota"; "Euryparchaeota"; "Euyarchaeota".
  • The e-mail address of the corresponding author given in the effective publication is not functional any more.
  • The BRCs most frequently used for deposits in this group are: JCM: 482; DSM: 438; CGMCC: 199; ATCC: 198; NBRC: 109; VKM: 75; CECT: 68; CIP: 51; KCTC: 47; NCIMB: 38.

Subdivision:

Number of child taxa with a validly published and correct name: 0
Number of child taxa with a validly published name, including synonyms: 8
Total number of child taxa: 16

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Archaeoglobi Garrity and Holt 2002	validly published under the ICNP	orphaned class
    [Euryarchaeota, not assigned to class]	artificial parent node of taxa incertae sedis
    Halobacteria Grant et al. 2002	validly published under the ICNP	orphaned class
    Methanobacteria Boone 2002	validly published under the ICNP	orphaned class
    Methanococci Boone 2002	validly published under the ICNP	orphaned class
    "Candidatus Methanofastidiosa" Nobu et al. 2016	inaccurate spelling
    "Candidatus Methanofastidiosia" corrig. Nobu et al. 2016	not validly published
    "Candidatus Methanoliparia" Borrel et al. 2019	not validly published
    "Methanomicrobia" Garrity et al. 2003	not validly published
    Methanonatronarchaeia Sorokin et al. 2018	validly published under the ICNP	orphaned class
    Methanopyri Garrity and Holt 2002	validly published under the ICNP	orphaned class
    "Candidatus Nanohaloarchaea" Narasingarao et al. 2012	not validly published
    "Candidatus Thalassarchaea" corrig. Martin-Cuadrado et al. 2015	not validly published
    "Candidatus Thalassoarchaea" Martin-Cuadrado et al. 2015	inaccurate spelling
    Thermococci Zillig and Reysenbach 2002	validly published under the ICNP	orphaned class
    Thermoplasmata Reysenbach 2002	validly published under the ICNP	orphaned class

Parent taxon: "Archaea" Woese et al. 1990

Assigned by: 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.

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Record number: 789