Name: "Candidatus Altarchaeota" corrig. Seitz et al. 2016

Category: Phylum

Proposed as: Candidatus

Etymology: Alt.ar.chae.o’ta. N.L. neut. n. Altarchaeum, a Candidatus genus name; L. neut. pl. n. suff. -ota, ending to denote a phylum; N.L. neut. pl. n. Altarchaeota, the Candidatus Altarchaeum phylum

Gender: neuter

Type genus: "Candidatus Altarchaeum" corrig. Probst et al. 2014

Original publication: Seitz KW, Lazar CS, Hinrichs KU, Teske AP, Baker BJ. Genomic reconstruction of a novel, deeply branched sediment archaeal phylum with pathways for acetogenesis and sulfur reduction. ISME J 2016; 10:1696-1705.

IJSEM list: Oren A, Göker M. "Candidatus phylum list no. 1." Lists of names of prokaryotic Candidatus phyla. Int J Syst Evol Microbiol 2023; 73:5821.

Nomenclatural status: not validly published

Taxonomic status: synonym (and no standing)

Correct name: Methanobacteriota Garrity and Holt 2023

• Synonyms:

  • Name	Kind
    "Thermoplasmatota" Rinke et al. 2021	heterotypic synonym, not validly published
    Methanobacteriota Garrity and Holt 2023	heterotypic synonym, validly published under the ICNP
    Thermoplasmatota Chuvochina et al. 2024	heterotypic synonym, validly published under the ICNP
    "Candidatus Altarchaeia" Rinke et al. 2021	homotypic synonym, not validly published
    "Methanobacteraeota" Oren et al. 2015	heterotypic synonym, not validly published
    Halobacteriota Chuvochina et al. 2024	heterotypic synonym, validly published under the ICNP
    "Halobacteriota" Rinke et al. 2021	heterotypic synonym, not validly published
    "Methanobacteriota" Whitman et al. 2018	heterotypic synonym, not validly published
    "Euryarchaeota" Garrity and Holt 2001	heterotypic synonym, not validly published
    "Candidatus Altiarchaeota" Seitz et al. 2016	other spelling of name, inaccurate spelling

• Notes:
  • 🧕 Rinke et al. (2021) assigned this phylum to the superphylum "DPANN" Rinke et al. 2013. Publication: Rinke C, Chuvochina M, Mussig AJ, Chaumeil PA, Davin AA, Waite DW, Whitman WB, Parks DH, Hugenholtz P. A standardized archaeal taxonomy for the Genome Taxonomy Database. Nat Microbiol 2021; 6:946-959.
  • 🧒 Rinke et al. (2021) assigned the class "Altarchaeia" to this phylum. Publication: Rinke C, Chuvochina M, Mussig AJ, Chaumeil PA, Davin AA, Waite DW, Whitman WB, Parks DH, Hugenholtz P. A standardized archaeal taxonomy for the Genome Taxonomy Database. Nat Microbiol 2021; 6:946-959.

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Record number: 38921