Name: Alphabacteria Cavalier-Smith 2002

Category: Class

Proposed as: class. nov.

Etymology: Gr. neut. n. alpha, the letter a, so as to formalize their earlier informal designation as α-proteobacteria (indeclinable); N.L. neut. pl. n. bacteria, plural of bacterium; N.L. neut. pl. n. Alphabacteria, name proposed to formalize the earlier informal designation as α-proteobacteria (not formed from a genus name)

Gender: neuter

Type order: Rickettsiales Gieszczykiewicz 1939 (Approved Lists 1980)

Valid publication: Cavalier-Smith T. The neomuran origin of archaebacteria, the negibacterial root of the universal tree and bacterial megaclassification. Int J Syst Evol Microbiol 2002; 52:7-76.

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 52, part 1 of the IJSEM. Int J Syst Evol Microbiol 2002; 52:293-295.

Nomenclatural status: validly published under the ICNP, rejected name

Taxonomic status: synonym

Correct name: Alphaproteobacteria Garrity et al. 2006

• Synonyms:

  • Name	Kind
    "Candidatus Mariprofundia" corrig. Emerson et al. 2007	heterotypic synonym, not validly published
    "Mariprofundia" Cavalier-Smith 2020	heterotypic synonym, not validly published
    "Candidatus Zetaproteobacteria" Emerson et al. 2007	heterotypic synonym, inaccurate spelling
    "Zetaproteobacteria" Makita et al. 2017	heterotypic synonym, not validly published
    Magnetococcia Chuvochina et al. 2024	heterotypic synonym, validly published under the ICNP
    "Caulobacteria" Cavalier-Smith 2020	heterotypic synonym, not validly published
    Anoxyphotobacteria (Gibbons and Murray 1978) Murray 1988	heterotypic synonym, validly published under the ICNP, rejected name
    Alphaproteobacteria Garrity et al. 2006	heterotypic synonym, validly published under the ICNP

• Notes:
  • 🧕 Cavalier-Smith (2002) assigned this class to the subdivision "Rhodobacteria" Cavalier-Smith 2002. Publication: Cavalier-Smith T. The neomuran origin of archaebacteria, the negibacterial root of the universal tree and bacterial megaclassification. Int J Syst Evol Microbiol 2002; 52:7-76.
  • 🧕 Cavalier-Smith (2002) assigned this class to the subphylum "Rhodobacteria" (Cavalier-Smith 1987) Cavalier-Smith 1998. Publication: Cavalier-Smith T. The neomuran origin of archaebacteria, the negibacterial root of the universal tree and bacterial megaclassification. Int J Syst Evol Microbiol 2002; 52:7-76.
  • 🧒 Cavalier-Smith (2002) assigned the family Bartonellaceae Gieszczykiewicz 1939 (Approved Lists 1980) to this class. Publication: Cavalier-Smith T. The neomuran origin of archaebacteria, the negibacterial root of the universal tree and bacterial megaclassification. Int J Syst Evol Microbiol 2002; 52:7-76.
  • 🧒 Cavalier-Smith (2002) assigned the family Rhodospirillaceae Pfennig and Trüper 1971 (Approved Lists 1980) to this class. Publication: Cavalier-Smith T. The neomuran origin of archaebacteria, the negibacterial root of the universal tree and bacterial megaclassification. Int J Syst Evol Microbiol 2002; 52:7-76.
  • 🧒 Cavalier-Smith (2002) assigned the genus Caulobacter Henrici and Johnson 1935 (Approved Lists 1980) to this class. Publication: Cavalier-Smith T. The neomuran origin of archaebacteria, the negibacterial root of the universal tree and bacterial megaclassification. Int J Syst Evol Microbiol 2002; 52:7-76.
  • 🧒 Cavalier-Smith (2002) assigned the genus Hyphomicrobium Stutzer and Hartleb 1899 (Approved Lists 1980) to this class. Publication: Cavalier-Smith T. The neomuran origin of archaebacteria, the negibacterial root of the universal tree and bacterial megaclassification. Int J Syst Evol Microbiol 2002; 52:7-76.
  • 🧒 Cavalier-Smith (2002) assigned the genus Methylobacterium Patt et al. 1976 (Approved Lists 1980) to this class. Publication: Cavalier-Smith T. The neomuran origin of archaebacteria, the negibacterial root of the universal tree and bacterial megaclassification. Int J Syst Evol Microbiol 2002; 52:7-76.
  • 🧒 Cavalier-Smith (2002) assigned the genus Rhizobium Frank 1889 (Approved Lists 1980) to this class. Publication: Cavalier-Smith T. The neomuran origin of archaebacteria, the negibacterial root of the universal tree and bacterial megaclassification. Int J Syst Evol Microbiol 2002; 52:7-76.
  • 🧒 Cavalier-Smith (2002) assigned the genus Rhodobacter Imhoff et al. 1984 to this class. Publication: Cavalier-Smith T. The neomuran origin of archaebacteria, the negibacterial root of the universal tree and bacterial megaclassification. Int J Syst Evol Microbiol 2002; 52:7-76.
  • 🛺 The type order of this class has been placed in the class Alphaproteobacteria Garrity et al. 2006. Publication: Garrity GM, Bell JA, Lilburn T. Class I. Alphaproteobacteria class. nov. In: Brenner DJ, Krieg NR, Staley JT, Garrity GM (eds), Bergey's Manual of Systematic Bacteriology, 2nd edn, vol. 2 (The Proteobacteria), part C (The Alpha-, Beta-, Delta-, and Epsilonproteobacteria), Springer, New York, 2005, p. 1.
  • 🚃 The type order of this class has alternatively been placed in the class Microtatobiotes Philip 1956 (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 order of this class has alternatively been placed in the class Microtatobiotes Philip 1956 (Approved Lists 1980). Publication: Philip CB. Comments on the classification of the order Rickettsiales. Can J Microbiol 1956; 2:261-270.
  • 🚃 The type order of this class has alternatively been placed in the class Microtatobiotes Philip 1956 (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.
  • 🚃 The type order of this class has alternatively been placed in the class Schizomycetes Nägeli 1857 (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.
  • 🧍 Irregularly formed name (not formed from the stem of the name of the nomenclatural type). Alphabacteria was previously known as "Alphabacteria" Cavalier-Smith 1992. Publication: Oren A, Arahal DR, Goker M, Moore ERB, Rossello-Mora R, Sutcliffe IC. International Code of Nomenclature of Prokaryotes. Prokaryotic Code (2022 Revision). Int J Syst Evol Microbiol 2023; 73:5585.
  • 🧍 Type order classified in the class Alphaproteobacteria. Rejected Name (Judicial Commission, Opinion 79 suppl.; IJSEM 64: 3599–3602). Publication: Tindall BJ. Names at the rank of class, subclass and order, their typification and current status: Supplementary information to Opinion 79. Judicial Commission of the International Committee on Systematics of Prokaryotes. Int J Syst Evol Microbiol 2014; 64:3599-3602.

Parent taxon: Pseudomonadota Garrity et al. 2021

Assigned by: LPSN automated production system. The following publication is only one of the sources consulted. It may or may not mention this taxon name. — Oren A, Garrity GM. Valid publication of the names of forty-two phyla of prokaryotes. Int J Syst Evol Microbiol 2021; 71:5056.

Linking: To permanently link to this page, use https://lpsn.dsmz.de/class/alphabacteriaCopy to clipboardLink copied to clipboard

Record number: 4