Name: Spirochaetes Cavalier-Smith 2002

Category: Class

Proposed as: class. nov.

Etymology: Spi.ro.chae’tes. N.L. fem. pl. n. Spirochaetales, type order of the class; N.L. fem. pl. n. Spirochaetes, the class of Spirochaetales (sic)

Gender: feminine

Type order: Spirochaetales Buchanan 1917 (Approved Lists 1980)

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: Spirochaetia Paster 2020

• Synonyms:

  • Name	Kind
    "Leptospiria" Cavalier-Smith 2020	heterotypic synonym, not validly published
    Spirochaetia Paster 2020	homotypic synonym, validly published under the ICNP
    "Spirochaetia" Cavalier-Smith 2020	homotypic synonym, not validly published

• Notes:
  • Cavalier-Smith (2002) assigned this class to the phylum "Spirochaetae" (Ehrenberg 1855) Cavalier-Smith 1998. 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 Spirochaetales Buchanan 1917 (Approved Lists 1980) 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.
  • Gupta et al. (2013) assigned the order Brachyspirales Gupta et al. 2014 to this class. Publication: Gupta RS, Mahmood S, Adeolu M. Erratum: A phylogenomic and molecular signature based approach for characterization of the Phylum Spirochaetes and its major clades: proposal for a taxonomic revision of the phylum. Front Microbiol 2013; 4:322.
  • Gupta et al. (2013) assigned the order Brevinematales Gupta et al. 2014 to this class. Publication: Gupta RS, Mahmood S, Adeolu M. Erratum: A phylogenomic and molecular signature based approach for characterization of the Phylum Spirochaetes and its major clades: proposal for a taxonomic revision of the phylum. Front Microbiol 2013; 4:322.
  • Gupta et al. (2013) assigned the order Leptospirales Gupta et al. 2014 to this class. Publication: Gupta RS, Mahmood S, Adeolu M. Erratum: A phylogenomic and molecular signature based approach for characterization of the Phylum Spirochaetes and its major clades: proposal for a taxonomic revision of the phylum. Front Microbiol 2013; 4:322.
  • Imachi et al. (2008) assigned the genus Exilispira Imachi et al. 2008 to this class. Publication: Imachi H, Sakai S, Hirayama H, Nakagawa S, Nunoura T, Takai K, Horikoshi K. Exilispira thermophila gen. nov., sp. nov., an anaerobic, thermophilic spirochaete isolated from a deep-sea hydrothermal vent chimney. Int J Syst Evol Microbiol 2008; 58:2258-2265.
  • The type order of this class has been placed in the class Spirochaetia Paster 2020. Publication: Paster BJ. Class I. Spirochaetia class. nov. In: Krieg NR, Staley JT, Brown DR, Hedlund BP, Paster BJ (eds), Bergey's Manual of Systematic Bacteriology. The Bacteroidetes, Spirochaetes, Tenericutes (Mollicutes), Acidobacteria, Fibrobacteres, Fusobacteria, Dictyoglomi, Gemmatimonadetes, Lentisphaerae, Verrucomicrobia, Chlamydiae, and Planctomycetes, vol. 4, 2nd ed., Springer, New York, 2010, p. 471-563.
  • The type order of this class has alternatively been placed in the class Schizomycetes Nägeli 1857 (Approved Lists 1980). Publication: Breed RS, Murray EG, Hitchens AP. THE OUTLINE CLASSIFICATION USED IN THE BERGEY MANUAL OF DETERMINATIVE BACTERIOLOGY. Bacteriol Rev 1944; 8:255-260.
  • This taxon name is occasionally misprinted in some sources as: "Sphirochaetes"; "Spiochaetes"; "Spirocbaetes"; "Spirochates"; "Spirochatetes"; "Spirochcetes"; "Spirochetes"; "Spirochietes"; "Spirochretes"; "Spirochsetes"; "Sprichoaetes"; "Spriochaetes"; "Spyrochaetes".
  • 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.

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Record number: 67