Name: Methanococci Boone 2002

Category: Class

Proposed as: class. nov.

Etymology: N.L. masc. n. Methanococcus, type genus of the type order of the class; N.L. masc. pl. n. Methanococci, the class of Methanococcales (nominative plural of Methanococcus)

Gender: masculine

Type genus: Methanococcus Kluyver and van Niel 1936 (Approved Lists 1980)

Effective publication: Boone DR. Class II. Methanococci class. nov. In: Boone DR, Castenholz RW, Garrity GM (eds), Bergey's Manual of Systematic Bacteriology, 2nd edn, vol. 1 (The Archaea and the Deeply Branching and Phototrophic Bacteria), Springer, New York, 2001, p. 235-294.

IJSEM list: Anonymous. Validation list no. 85. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2002; 52:685-690.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Synonyms:

  • Name	Kind
    Methanothermea Cavalier-Smith 2002	homotypic synonym, validly published under the ICNP, rejected name

• Notes:
  • 🧕 Boone et al. (2001) assigned this class to the phylum "Euryarchaeota" Garrity and Holt 2001. Publication: Garrity GM, Holt JG. Phylum AII. Euryarchaeota phy. 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. 211-355.
  • 🧕 Luketa (2012) assigned this class to the kingdom "Euryarchaeida" Luketa 2012. Publication: Luketa S. New views on the megaclassification of life. Protistology 2012; 7:218-237.
  • 🧒 Boone et al. (2001) assigned the order Methanomicrobiales Balch and Wolfe 1981 to this class. Publication: Boone DR. Class II. Methanococci 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. 235-236.
  • 🧒 Boone et al. (2001) assigned the order Methanosarcinales Boone et al. 2002 to this class. Publication: Boone DR. Class II. Methanococci 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. 235-236.
  • 📧 The e-mail address of the corresponding author given in the effective publication is not functional any more.
  • 🎰 The BRCs most frequently used for deposits in this group are: DSM: 29; JCM: 20; ATCC: 14; NBRC: 5; CIP: 3; VKM: 1.
  • 🧍 Nomenclatural type changed from Methanococcales Balch and Wolfe 1981 based on new Rule 22. Publication: Oren A. Emendation of Rules 8, 15, 22, 25a, 30(3)(b), 30(4), 34a, and Appendix 7 of the International Code of Nomenclature of Prokaryotes. Int J Syst Evol Microbiol 2023; 73:6070.
  • 🧍 This name was mentioned in a Request for an Opinion. Rule 8 of the 2022 revision of the ICNP does not require that the name of a class validly published before 1 January 2012 be formed from the stem of the name of the type genus of the type order of the class plus the ending ia. This class name is orthographically correct (nominative plural of a 2nd declension masculine noun). Publication: Goker M. Solving the remaining problems with names of classes. Request for an Opinion. Int J Syst Evol Microbiol 2022; 72:5605.

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: 1

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Methanococcales Balch and Wolfe 1981	validly published under the ICNP	correct name

Parent taxon: Methanobacteriota Garrity and Holt 2023

Assigned by: Goker M, Oren A. Valid publication of four additional phylum names. Int J Syst Evol Microbiol 2023; 73:6024.

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Record number: 4787