Name: Anoxyphotobacteria (Gibbons and Murray 1978) Murray 1988

Category: Class

Proposed as: class. nov.

Etymology: An.o.xy.pho.to.bac.te’ri.a. Gr. pref. an-, not, without (here: inseparable prefix); Gr. masc. adj. oxys, acid or sour and in combined words indicating oxygen; Gr. neut. n. phôs (gen. phôtos), light; N.L. neut. pl. n. bacteria, plural of bacterium; N.L. neut. pl. n. Anoxyphotobacteria, light-requiring bacteria that do not produce oxygen (not formed from a genus name)

Pronunciation (Latin), gender: an-o-xy-p^ho-to-bak-TE-ri-a, neuter

Type order: Rhodospirillales Pfennig and Trüper 1971 (Approved Lists 1980)

Effective publication: Murray RGE. The higher taxa, or, a place for everything..? In: Krieg NR, Holt JG (eds), Bergey's manual of systematic bacteriology, vol. 1., The Williams & Wilkins Co., Baltimore, 1984, p. 31-34.

IJSEM list: Anonymous. Validation list no. 25. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1988; 38:220-222.

Nomenclatural status: validly published under the ICNP, rejected name

Taxonomic status: synonym

Correct name: Alphaproteobacteria Garrity et al. 2006

• Synonyms:

  • Name	Kind
    Magnetococcia Chuvochina et al. 2024	heterotypic synonym, validly published under the ICNP
    "Zetaproteobacteria" Makita et al. 2017	heterotypic synonym, not validly published
    "Candidatus Mariprofundia" corrig. Emerson et al. 2007	heterotypic synonym, pro-validly published under the ICNP
    "Caulobacteria" Cavalier-Smith 2020	heterotypic synonym, not validly published
    "Candidatus Zetaproteobacteria" Emerson et al. 2007	heterotypic synonym, inaccurate spelling
    "Mariprofundia" Cavalier-Smith 2020	heterotypic synonym, not validly published
    Alphaproteobacteria Garrity et al. 2006	heterotypic synonym, validly published under the ICNP
    Alphabacteria Cavalier-Smith 2002	heterotypic synonym, validly published under the ICNP, rejected name

• Notes:
  • 🧕 Murray (1984) assigned this class to the division Gracilicutes Gibbons and Murray 1978 (Approved Lists 1980). Publication: Murray RGE. The higher taxa, or, a place for everything..? In: Krieg NR, Holt JG (eds), Bergey's manual of systematic bacteriology, vol. 1., The Williams & Wilkins Co., Baltimore, 1984, p. 31-34.
  • 🧕 Murray (1984) assigned this class to the phylum "Gracilicutes". Publication: Murray RGE. The higher taxa, or, a place for everything..? In: Krieg NR, Holt JG (eds), Bergey's manual of systematic bacteriology, vol. 1., The Williams & Wilkins Co., Baltimore, 1984, p. 31-34.
  • 🛺 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 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. 🇺🇸
  • 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Anoxyphombacteria".
  • 🧍 Irregularly formed name (not formed from the stem of the name of the nomenclatural type). Publication: Oren A, Arahal DR, Christensen H, Goker M, Manaia CM, Moore ERB. International Code of Nomenclature of Prokaryotes. Prokaryotic Code (2025 Revision). Int J Syst Evol Microbiol 2026; 76:6979. 🇮🇱
  • 🧍 Rejected name (Opinion 128). Part of "misfitting megaclassification". Publication: Goker M. Solving the remaining problems with names of classes. Request for an Opinion. Int J Syst Evol Microbiol 2022; 72:5605. 🇩🇪
  • 🧍 Tindall (2014): "This is the same type designated for the class Photobacteria Gibbons and Murray 1978." (not fully accurate, the type of the class was the subclass Oxyphotobacteriae Gibbons and Murray 1978). 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. 🇮🇱

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Record number: 7