Name: Halomebacteria Cavalier-Smith 2002

Category: Class

Proposed as: class. nov.

Etymology: Gr. masc. n. hals (gen. halos), salt; me-, common scientific abbreviation for methane; N.L. neut. pl. n. bacteria, plural of bacterium; N.L. neut. pl. n. Halomebacteria, a class which comprises both halophiles and somewhat halophilic methanogen (not formed from a genus name)

Gender: neuter

Type order: Halobacteriales Grant and Larsen 1989

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: Halobacteria Grant et al. 2002

• Synonyms:

  • Name	Kind
    "Haloarchaeota" Spang et al. 2013	homotypic synonym, not validly published
    Halobacteria Grant et al. 2002	homotypic synonym, validly published under the ICNP

• Notes:
  • 🧕 Cavalier-Smith (2002) assigned this class to the superclass "Neobacteria" 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 the order Methanosarcinales Boone et al. 2002 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 Halobacteria Grant et al. 2002. Publication: Gupta RS, Naushad S, Baker S. Phylogenomic analyses and molecular signatures for the class Halobacteria and its two major clades: a proposal for division of the class Halobacteria into an emended order Halobacteriales and two new orders, Haloferacales ord. nov. and Natrialbales ord. nov., containing the novel families Haloferacaceae fam. nov. and Natrialbaceae fam. nov. Int J Syst Evol Microbiol 2015; 65:1050-1069.
  • 🧍 Irregularly formed name (not formed from the stem of the name of the nomenclatural type). 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.
  • 🧍 This name was mentioned in a Request for an Opinion, which discussed its formation. Publication: Goker M. Solving the remaining problems with names of classes. Request for an Opinion. Int J Syst Evol Microbiol 2022; 72:5605.
  • 🧍 Halomebacteria was previously known as "Halomebacteria" Cavalier-Smith 1986. — Halomebacteria Cavalier-Smith 2002 is an earlier homotypic synonym of Halobacteria Grant et al. 2002. Publication: Grant WD, Kamekura M, McGenity TJ, Ventosa A. Class III. Halobacteria class. nov. In: Boone DR, Castenholz RW, Garrity GM (eds), Bergey's Manual of Systematic Bacteriology, second edition, vol. 1 (The Archaea and the deeply branching and phototrophic Bacteria), Springer-Verlag, New York, 2001, p. 294.

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Record number: 4781