Name: Crenarchaeota Cavalier-Smith 2002

Category: Class

Proposed as: class. nov.

Etymology: Cren.arch.ae.o’ta. Gr. fem. n. krênê, spring, fount; Gr. masc. adj. archaîos, ancient; N.L. neut. pl. n. suff. -ota, ending to denote a phylum; N.L. neut. pl. n. Crenarchaeota, probably derived from the eponymous kingdom

Gender: neuter

Type order: Thermoproteales Zillig and Stetter 1982

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: Thermoprotei Reysenbach 2002

• Synonyms:

  • Name	Kind
    Thermoprotei Reysenbach 2002	homotypic synonym, validly published under the ICNP
    Conexivisphaeria Kato et al. 2021	heterotypic synonym, validly published under the ICNP
    "Thermoprotea" Oren et al. 2015	homotypic synonym, not validly published

• Notes:
  • Cavalier-Smith (2002) assigned this class to the subphylum "Crenarchaeota" 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 (2014) assigned this class to the subphylum "Filarchaeota" Cavalier-Smith 2014. Publication: Cavalier-Smith T. The neomuran revolution and phagotrophic origin of eukaryotes and cilia in the light of intracellular coevolution and a revised tree of life. Cold Spring Harb Perspect Biol 2014; 6:a016006.
  • Cavalier-Smith (2002) assigned the order Sulfolobales Stetter 1989 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 order Desulfurococcales Huber and Stetter 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 Thermoprotei Reysenbach 2002. Publication: Reysenbach A-L. Class I. Thermoprotei 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. 169-210.
  • This taxon name is occasionally misprinted in some sources as: "Creanarchaeota"; "Crearchaeota"; "Crenarahaeota"; "Crenarcluuota"; "Crenarrhaeota"; "Crenarthaeota"; "Crenoarchaeota"; "Crmarchaeota".
  • This taxon name is occasionally used in singular form as: "Crenarchaeote".
  • 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.
  • Irregularly formed name (not formed from the stem of the name of the nomenclatural type). Crenarchaeota was previously known as "Crenarchaeota" Woese et al. 1990. Publication: Woese CR, Kandler O, Wheelis ML. Towards a natural system of organisms: proposal for the domains Archaea, Bacteria, and Eucarya. Proc Natl Acad Sci U S A 1990; 87:4576-4579.

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Record number: 28