Name: "Caulobacteria" Cavalier-Smith 2020

Category: Class

Proposed as: class. nov.

Etymology: N.L. neut. pl. n. Caulobacteria, the Caulobacterales class

Gender: neuter

Type order: Caulobacterales Henrici and Johnson 1935 (Approved Lists 1980)

Original publication: Cavalier-Smith T, Chao EE. Multidomain ribosomal protein trees and the planctobacterial origin of neomura (eukaryotes, archaebacteria). Protoplasma 2020; 257:621-753.

Nomenclatural status: not validly published

Taxonomic status: synonym (and no standing)

Correct name: Alphaproteobacteria Garrity et al. 2006

• Synonyms:

  • Name	Kind
    "Candidatus Zetaproteobacteria" Emerson et al. 2007	heterotypic synonym, inaccurate spelling
    "Zetaproteobacteria" Makita et al. 2017	heterotypic synonym, not validly published
    "Mariprofundia" Cavalier-Smith 2020	heterotypic synonym, not validly published
    "Candidatus Mariprofundia" corrig. Emerson et al. 2007	heterotypic synonym, not validly published
    Alphabacteria Cavalier-Smith 2002	heterotypic synonym, validly published under the ICNP, rejected name
    Magnetococcia Chuvochina et al. 2024	heterotypic synonym, validly published under the ICNP
    Anoxyphotobacteria (Gibbons and Murray 1978) Murray 1988	heterotypic synonym, validly published under the ICNP, rejected name
    Alphaproteobacteria Garrity et al. 2006	homotypic synonym, validly published under the ICNP

• Notes:
  • 🧕 Cavalier-Smith and Chao (2020) assigned this class to the subphylum "Rhodobacteria" (Cavalier-Smith 1987) Cavalier-Smith 1998. Publication: Cavalier-Smith T, Chao EE. Multidomain ribosomal protein trees and the planctobacterial origin of neomura (eukaryotes, archaebacteria). Protoplasma 2020; 257:621-753.
  • 🧒 Cavalier-Smith and Chao (2020) assigned the genus "Candidatus Pelagibacter" Rappé et al. 2002 to this class. Publication: Cavalier-Smith T, Chao EE. Multidomain ribosomal protein trees and the planctobacterial origin of neomura (eukaryotes, archaebacteria). Protoplasma 2020; 257:621-753.
  • 🧒 Cavalier-Smith and Chao (2020) assigned the genus Rhodospirillum Molisch 1907 (Approved Lists 1980) to this class. Publication: Cavalier-Smith T, Chao EE. Multidomain ribosomal protein trees and the planctobacterial origin of neomura (eukaryotes, archaebacteria). Protoplasma 2020; 257:621-753.
  • 🛺 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.
  • ✏ The authority of the taxon name (Cavalier Smith) deliberately differs from the authors of the publication (Cavalier Smith and Chao).
  • 🧍 This name was mentioned in a Request for an Opinion. Publication: Oren A, Parte A, Garrity GM. Implementation of Rule 8 of the International Code of Nomenclature of Prokaryotes for the renaming of classes. Request for an Opinion. Int J Syst Evol Microbiol 2016; 66:4296-4298.

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: 14396