Name: Coxiella (Philip 1943) Philip 1948 (Approved Lists 1980)

Category: Genus

Proposed as: gen. nov.

Etymology: Co.xi.el’la. N.L. fem. dim. n. Coxiella, named after Harold R. Cox, who in collaboration with G.E. Davis, first isolated this organism in the United States shortly after its discovery in Australia and who introduced the technique of yolk sac inoculation of the chick embryo, which greatly facilitated the study of this and other genera

Gender, pronunciation: feminine (stem: Coxiell-), ko-xi-EL-la

Type species: Coxiella burnetii corrig. (Derrick 1939) Philip 1948 (Approved Lists 1980)

Conduct genome-based taxonomy of genus at TYGS

16S rRNA gene: Analyse FASTA

Effective publication: Philip CB. Comments on the name of the Q-fever organism. Public Health Report 1948; 63:58.

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

• Emendations:
  • Saini and Gupta 2021 Saini N, Gupta RS. A robust phylogenetic framework for members of the order Legionellales and its main genera (Legionella, Aquicella, Coxiella and Rickettsiella) based on phylogenomic analyses and identification of molecular markers demarcating different clades. Antonie Van Leeuwenhoek 2021; 114:957-982.
    Notes:
    • 🧍 As of 2021-12-12 this emendation was not yet included in an IJSEM List of Changes in Taxonomic Opinion.

• Notes:
  • 🥇 Nomenclatural type of the family Coxiellaceae Garrity et al. 2005. Publication: Garrity GM, Bell JA, Lilburn T. Family II. Coxiellaceae fam. nov. In: Brenner DJ, Krieg NR, Staley JT, Garrity GM (eds), Bergey's Manual of Systematic Bacteriology, 2nd edn, vol. 2 (The Proteobacteria), part B (The Gammaproteobacteria), Springer, New York, 2005, p. 237.
  • 🥇 Nomenclatural type of the order Coxiellales Chuvochina et al. 2024. Publication: Chuvochina M, Mussig AJ, Chaumeil PA, Skarshewski A, Rinke C, Parks DH, Hugenholtz P. Proposal of names for 329 higher rank taxa defined in the Genome Taxonomy Database under two prokaryotic codes. FEMS Microbiol Lett 2023; 0:0.
  • 🧕 Breed et al. (1948) assigned this genus to the family Rickettsiaceae Pinkerton 1936 (Approved Lists 1980). Publication: Burkholder WH. Genus I. Pseudomonas Migula. Bacterial plant pathogens. In: Breed RS, Murray EGD, Hitchens AP (eds), Bergey's Manual of Determinative Bacteriology, 6th ed., The Williams & Wilkins Co, Baltimore, 1948, p. 82-150.
  • 🧕 Breed et al. (1957) assigned this genus to the tribe Rickettsieae Philip 1957 (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.
  • 🧕 Brenner et al. (1993) assigned this genus to the tribe Rickettsieae Philip 1957 (Approved Lists 1980). Publication: Brenner DJ, O'Connor SP, Winkler HH, Steigerwalt AG. Proposals to unify the genera Bartonella and Rochalimaea, with descriptions of Bartonella quintana comb. nov., Bartonella vinsonii comb. nov., Bartonella henselae comb. nov., and Bartonella elizabethae comb. nov., and to remove the family Bartonellaceae from the order Rickettsiales. Int J Syst Bacteriol 1993; 43:777-786.
  • 🧕 Chuvochina et al. (2023) assigned this genus to the order Coxiellales Chuvochina et al. 2024. Publication: Chuvochina M, Mussig AJ, Chaumeil PA, Skarshewski A, Rinke C, Parks DH, Hugenholtz P. Proposal of names for 329 higher rank taxa defined in the Genome Taxonomy Database under two prokaryotic codes. FEMS Microbiol Lett 2023; 0:0.
  • 🧕 Philip (1962) assigned this genus to the tribe Rickettsieae Philip 1957 (Approved Lists 1980). Publication: Philip CB. Appendix G. Summary of tickborne rickettsioses. Report 2nd Meeting FAOIE Expert Panel on Tick-borne Diseases of Livestock, Cairo. United Nations, Rome, 1962.
  • 🚋 The type species of this genus has alternatively been placed in the genus Rickettsia da Rocha-Lima 1916 (Approved Lists 1980). Publication: Derrick EH. Rickettsia burneti: The cause of Q-fever. Medical Journal of Australia 1939; 1:14.
  • 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Caxiella"; "Cexiella"; "Cnxiella"; "Coxeilla"; "Coxiclla"; "Coxiolla"; "Coxriella".
  • 🎰 The BRCs most frequently used for deposits in this group are: ATCC: 2.
  • 🧍 Coxiella (Philip 1943) Philip 1948 (Approved Lists 1980) is a later homonym of a genus name with standing in the zoological (animal) nomenclature: Coxiella E. A. Smith, 1894. Principle 2 of the 2008 Code is not retroactive, so the name does not contravene the Code because of this homonymy. — Crook M. Personal communication, 2021-08-19.
  • 🧍 Pittman et al. (1991) suggested the abbreviation "COXL" for this genus name but this does not appear to be of practical relevance any longer. Publication: Pittman KF, Walczak CA, Lock CM. Codes and abbreviations for approved of effectively published names of genera of bacteria published from January 1980 to December 1990. Int J Syst Bacteriol 1991; 41:571-579.

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: 9

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    "Candidatus Coxiella avium" Trinachartvanit et al. 2018	not validly published	pro-correct name
    Coxiella burneti (Derrick 1939) Philip 1948 (Approved Lists 1980)	inaccurate spelling	misspelling
    Coxiella burnetii corrig. (Derrick 1939) Philip 1948 (Approved Lists 1980)	validly published under the ICNP	correct name
    "Candidatus Coxiella cheracis" corrig. Elliman and Owens 2020	not validly published	pro-correct name
    "Coxiella cheraxi" Tan and Owens 2000	not validly published	synonym
    "Candidatus Coxiella cheraxi" Elliman and Owens 2020	inaccurate spelling	misspelling
    "Candidatus Coxiella massiliensis" Angelakis et al. 2016	not validly published	pro-correct name
    "Candidatus Coxiella mudrowiae" Gottlieb et al. 2015	not validly published	pro-correct name
    "Coxiella popilliae" Dutky and Gooden 1952	not validly published, basonym of name in Approved Lists	synonym

Parent taxon: Coxiellaceae Garrity et al. 2005

Assigned by: Garrity GM, Bell JA, Lilburn T. Family II. Coxiellaceae fam. nov. In: Brenner DJ, Krieg NR, Staley JT, Garrity GM (eds), Bergey's Manual of Systematic Bacteriology, 2nd edn, vol. 2 (The Proteobacteria), part B (The Gammaproteobacteria), Springer, New York, 2005, p. 237.

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Record number: 517210