Name: Fervidibacteria Nou et al. 2025

Category: Class

Proposed as: class. nov.

Etymology: Fer.vi.di.bac.te’ri.a. N.L. masc. n. Fervidibacter, type genus of the type order of the class; L. neut. pl. n. suff. -ia, ending to denote a class; N.L. neut. pl. n. Fervidibacteria, the class of the order Fervidibacterales

Pronunciation, gender: fer-wi-di-bak-TE-ri-a, neuter

Type genus: Fervidibacter Nou et al. 2025

Effective publication: Nou NO, Covington JK, Lai D, Mayali X, Seymour CO, Johnston J, Jiao JY, Buessecker S, Mosier D, Muok AR, et al. Author Correction: Genome-guided isolation of the hyperthermophilic aerobe Fervidibacter sacchari reveals conserved polysaccharide metabolism in the Armatimonadota. Nat Commun 2025; 16:4015.

IJSEM list: Oren A, Göker M. Validation list no. 225. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2025; 75:6863.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Synonyms:

  • Name	Kind
    "Fervidibacteria" Nou et al. 2024	homotypic synonym, not validly published

• Notes:
  • 🧒 Nou et al. (2025) assigned the family Fervidibacteraceae Nou et al. 2025 to this class. Publication: Nou NO, Covington JK, Lai D, Mayali X, Seymour CO, Johnston J, Jiao JY, Buessecker S, Mosier D, Muok AR, et al. Author Correction: Genome-guided isolation of the hyperthermophilic aerobe Fervidibacter sacchari reveals conserved polysaccharide metabolism in the Armatimonadota. Nat Commun 2025; 16:4015.
  • 🧒 Nou et al. (2025) assigned the genus Fervidibacter Nou et al. 2025 to this class. Publication: Nou NO, Covington JK, Lai D, Mayali X, Seymour CO, Johnston J, Jiao JY, Buessecker S, Mosier D, Muok AR, et al. Author Correction: Genome-guided isolation of the hyperthermophilic aerobe Fervidibacter sacchari reveals conserved polysaccharide metabolism in the Armatimonadota. Nat Commun 2025; 16:4015.
  • 🎰 The BRCs most frequently used for deposits in this group are: JCM: 2; DSM: 2.

Subdivision:

Number of child taxa with a validly published and correct name: 1
Number of child taxa with a validly published name, including synonyms: 1
Total number of child taxa: 2

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    "Fervidibacterales" Nou et al. 2024	not validly published	synonym
    Fervidibacterales Nou et al. 2025	validly published under the ICNP	correct name

Parent taxon: "Candidatus Fervidibacterota" corrig. Rinke et al. 2013

Assigned by: Nou NO, Covington JK, Lai D, Mayali X, Seymour CO, Johnston J, Jiao JY, Buessecker S, Mosier D, Muok AR, et al. Author Correction: Genome-guided isolation of the hyperthermophilic aerobe Fervidibacter sacchari reveals conserved polysaccharide metabolism in the Armatimonadota. Nat Commun 2025; 16:4015.

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Record number: 66637