Name: Beggiatoales Buchanan 1957 (Approved Lists 1980)

Category: Order

Proposed as: ord. nov.

Etymology: Beg.gia.to.a’les. N.L. fem. n. Beggiatoa, type genus of the order; L. fem. pl. n. suff. -ales, ending to denote an order; N.L. fem. pl. n. Beggiatoales, the Beggiatoa order

Pronunciation (Latin), gender: beg-gia-to-A-les, feminine

Type genus: Beggiatoa Trevisan 1842 (Approved Lists 1980)

Effective publication: Buchanan RE. Order VII. Beggiatoales Buchanan, Ordo Nov. In: Breed RS, Murray EGD, Smith NR (eds), Bergey’s Manual of Determinative Bacteriology, 7th ed., The Williams and Wilkins Co., Baltimore, 1957, p. 837-853.

IJSEM list: Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Synonyms:

  • Name	Kind
    Francisellales Chuvochina et al. 2024	heterotypic synonym, validly published under the ICNP
    Thiomicrospirales Chuvochina et al. 2024	heterotypic synonym, validly published under the ICNP
    Piscirickettsiales Chuvochina et al. 2024	heterotypic synonym, validly published under the ICNP
    Thiotrichales Garrity et al. 2005	heterotypic synonym, validly published under the ICNP, illegitimate name

• Notes:
  • 🧕 Breed et al. (1957) assigned this order to the class Schizomycetes Nägeli 1857 (Approved Lists 1980). Publication: Parker CD. Genus V. Thiobacillus Beijerinck 1904. In: Breed RS, Murray EGD, Smith NR (eds), Bergey's Manual of Determinative Bacteriology, 7th edition, The Williams & Wilkins Co, Baltimore, 1957, p. 83-88.
  • 🧒 Breed et al. (1957) assigned the family Vitreoscillaceae Pringsheim 1949 (Approved Lists 1980) to this order. Publication: Parker CD. Genus V. Thiobacillus Beijerinck 1904. In: Breed RS, Murray EGD, Smith NR (eds), Bergey's Manual of Determinative Bacteriology, 7th edition, The Williams & Wilkins Co, Baltimore, 1957, p. 83-88.
  • 🧒 Buchanan (1957) assigned the genus Beggiatoa Trevisan 1842 (Approved Lists 1980) to this order. Publication: Buchanan RE. Order VII. Beggiatoales Buchanan, Ordo Nov. In: Breed RS, Murray EGD, Smith NR (eds), Bergey’s Manual of Determinative Bacteriology, 7th ed., The Williams and Wilkins Co., Baltimore, 1957, p. 837-853.
  • 🧒 Buchanan (1957) assigned the genus "Bactoscilla" Pringsheim 1949 to this order. Publication: Buchanan RE. Order VII. Beggiatoales Buchanan, Ordo Nov. In: Breed RS, Murray EGD, Smith NR (eds), Bergey’s Manual of Determinative Bacteriology, 7th ed., The Williams and Wilkins Co., Baltimore, 1957, p. 837-853.
  • 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Beggiatiales"; "Brggiatoales".
  • 🎰 The BRCs most frequently used for deposits in this group are: DSM: 82; ATCC: 46; JCM: 21; KCTC: 17; VKM: 16; NBRC: 11; SYSU: 9; MCCC: 7; CCUG: 7; UNIQEM: 7.

Subdivision:

Number of child taxa with a validly published and correct name: 6
Number of child taxa with a validly published name, including synonyms: 12
Total number of child taxa: 14

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Achromatiaceae Massart 1901 (Approved Lists 1980)	validly published under the ICNP	correct name
    Beggiatoaceae Migula 1894 (Approved Lists 1980)	validly published under the ICNP	correct name
    Cycloclasticaceae Chuvochina et al. 2024	validly published under the ICNP	synonym
    Fastidiosibacteraceae Xiao et al. 2018	validly published under the ICNP	correct name
    Francisellaceae Sjöstedt 2005	validly published under the ICNP	correct name
    Leucotrichaceae Boden and Scott 2018	validly published under the ICNP, illegitimate name	synonym
    Leucotrichaceae Buchanan 1957 (Approved Lists 1980)	validly published under the ICNP	correct name
    Methylophagaceae Chuvochina et al. 2024	validly published under the ICNP	synonym
    Piscirickettsiaceae Fryer and Lannan 2005	validly published under the ICNP	correct name
    Thiofilaceae Boden and Scott 2018	validly published under the ICNP	synonym
    Thiolineaceae Boden and Scott 2018	validly published under the ICNP	synonym
    "Thiosiphonaceae" Klas 1936	not validly published	synonym
    "Thiotrichaceae" Pringsheim 1949	not validly published	synonym
    Thiotrichaceae Garrity et al. 2005	validly published under the ICNP, illegitimate name	synonym

Parent taxon: Gammaproteobacteria Garrity et al. 2005

Assigned by: Freese HM, Meier-Kolthoff JP, Sarda Carbasse J, Afolayan AO, Goker M. TYGS and LPSN in 2025: a Global Core Biodata Resource for genome-based classification and nomenclature of prokaryotes within DSMZ Digital Diversity. Nucleic Acids Res 2026; 54:D884-D891. 🇩🇪

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Record number: 5012