Name: Acidianus Segerer et al. 1986

Category: Genus

Proposed as: gen. nov.

Etymology: L. masc. adj. acidus, acide; L. masc. n. Ianus, a mythical Roman figure with two faces looking in opposite directions; N.L. masc. n. Acidianus, acidic bifaced (bacterium), reflecting the growth conditions and the metabolism of the organisms

Type species: Acidianus infernus Segerer et al. 1986

Conduct genome-based taxonomy of genus at TYGS

Valid publication: Segerer A, Neuner AM, Kristjansson JK, Stetter KO. Acidianus infernus gen. nov., sp. nov., and Acidianus brierleyi comb. nov.: facultatively aerobic, extremely acidophilic thermophilic sulfur-metabolizing archaebacteria. Int. J. Syst. Bacteriol. 1986; 36:559-564.

Nomenclatural status: validly published

Taxonomic status: correct name

• Synonyms:

  • Name	Kind
    Desulfurolobus Zillig and Böck 1987	heterotypic synonym, validly published

• Emendations:
  • Plumb et al. 2007 Plumb JJ, Haddad CM, Gibson JA, Franzmann PD. Acidianus sulfidivorans sp. nov., an extremely acidophilic, thermophilic archaeon isolated from a solfatara on Lihir Island, Papua New Guinea, and emendation of the genus description. Int J Syst Evol Microbiol 2007; 57:1418-1423.
    Notes:
    • Emendation accompanied by the proposal of 1 new species in the genus.

Subdivision:

Number of child taxa with a validly published and correct name: 4
Number of child taxa with a validly published name, including synonyms: 4
Total number of child taxa: 7

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Acidianus ambivalens (Zillig and Böck 1987) Fuchs et al. 1996	validly published	correct name
    Acidianus brierleyi (Zillig et al. 1980) Segerer et al. 1986	validly published	correct name
    "Candidatus Acidianus copahuensis" Giaveno et al. 2013	not validly published
    Acidianus infernus Segerer et al. 1986	validly published	correct name
    "Acidianus manzaensis" Yoshida et al. 2006	not validly published
    Acidianus sulfidivorans Plumb et al. 2007	validly published	correct name
    "Acidianus tengchongensis" He et al. 2004	not validly published

Parent taxon: Sulfolobaceae Stetter 1989

Assigned by: Plumb JJ, Haddad CM, Gibson JA, Franzmann PD. Acidianus sulfidivorans sp. nov., an extremely acidophilic, thermophilic archaeon isolated from a solfatara on Lihir Island, Papua New Guinea, and emendation of the genus description. Int J Syst Evol Microbiol 2007; 57:1418-1423.

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