Name: "Fervidacidithiobacillus caldus" (Hallberg and Lindström 1995) Moya-Beltrán et al. 2021

Category: Species

Proposed as: comb. nov.

Basonym: Thiobacillus caldus Hallberg and Lindström 1995

Etymology: cal’dus. L. masc. adj. caldus, warm, liking warmth

Gender: masculine

Type strain: ATCC 51756; DSM 8584; KU

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: MN218417 Analyse FASTA

Original publication: Moya-Beltran A, Beard S, Rojas-Villalobos C, Issotta F, Gallardo Y, Ulloa R, Giaveno A, Degli Esposti M, Johnson DB, Quatrini R. Genomic evolution of the class Acidithiobacillia: deep-branching Proteobacteria living in extreme acidic conditions. ISME J 2021; 15:3221-3238.

Nomenclatural status: not validly published

Taxonomic status: synonym (and no standing)

Correct name: Acidithiobacillus caldus (Hallberg and Lindström 1995) Kelly and Wood 2000

• Synonyms:

  • Name	Kind
    Thiobacillus caldus Hallberg and Lindström 1995	homotypic synonym, validly published under the ICNP
    Acidithiobacillus caldus (Hallberg and Lindström 1995) Kelly and Wood 2000	homotypic synonym, validly published under the ICNP

• Notes:
  • 🥇 Nomenclatural type of the genus "Fervidacidithiobacillus" Moya-Beltrán et al. 2021. Publication: Moya-Beltran A, Beard S, Rojas-Villalobos C, Issotta F, Gallardo Y, Ulloa R, Giaveno A, Degli Esposti M, Johnson DB, Quatrini R. Genomic evolution of the class Acidithiobacillia: deep-branching Proteobacteria living in extreme acidic conditions. ISME J 2021; 15:3221-3238.

Parent taxon: "Fervidacidithiobacillus" Moya-Beltrán et al. 2021

Assigned by: Moya-Beltran A, Beard S, Rojas-Villalobos C, Issotta F, Gallardo Y, Ulloa R, Giaveno A, Degli Esposti M, Johnson DB, Quatrini R. Genomic evolution of the class Acidithiobacillia: deep-branching Proteobacteria living in extreme acidic conditions. ISME J 2021; 15:3221-3238.

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Record number: 685