Name: "Spirochaetia" Cavalier-Smith 2020

Category: Class

Proposed as: class. nov.

Etymology: Spi.ro.chae’ti.a. N.L. neut. pl. n. Spirochaetia, the class of the order Spirochaetales

Gender: neuter

Type order: Spirochaetales Buchanan 1917 (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: Spirochaetia Paster 2020

• Synonyms:

  • Name	Kind
    Brevinematia Chuvochina et al. 2024	heterotypic synonym, validly published under the ICNP
    Brachyspiria Chuvochina et al. 2024	heterotypic synonym, validly published under the ICNP
    "Leptospiria" Cavalier-Smith 2020	heterotypic synonym, not validly published
    Leptospiria Chuvochina et al. 2024	heterotypic synonym, validly published under the ICNP
    Spirochaetia Paster 2020	homotypic synonym, validly published under the ICNP
    Spirochaetes Cavalier-Smith 2002	homotypic synonym, validly published under the ICNP, rejected name

• Notes:
  • 🥇 Nomenclatural type of the phylum "Spirochaetaeota" Oren et al. 2015. Publication: Oren A, da Costa MS, Garrity GM, Rainey FA, Rossello-Mora R, Schink B, Sutcliffe I, Trujillo ME, Whitman WB. Proposal to include the rank of phylum in the International Code of Nomenclature of Prokaryotes. Int J Syst Evol Microbiol 2015; 65:4284-4287.
  • 🥇 Nomenclatural type of the phylum "Spirochaetota" Whitman et al. 2018. Publication: Whitman WB, Oren A, Chuvochina M, da Costa MS, Garrity GM, Rainey FA, Rossello-Mora R, Schink B, Sutcliffe I, Trujillo ME, et al. Proposal of the suffix -ota to denote phyla. Addendum to 'Proposal to include the rank of phylum in the International Code of Nomenclature of Prokaryotes'. Int J Syst Evol Microbiol 2018; 68:967-969.
  • 🥇 Nomenclatural type of the phylum "Spirochaetes" Garrity and Holt 2001. Publication: Garrity GM, Holt JG. The Road Map to the Manual. 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. 119-166.
  • 🛺 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, et al. (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: Parker CD. Genus V. Thiobacillus Beijerinck 1904. In: Breed RS, Murray EGD, Smith NR (eds), Bergey's Manual of Determinative Bacteriology, 7th edition, The Williams & Wilkins Co, Baltimore, 1957, p. 83-88.
  • 🚃 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.
  • 🚃 The type order of this class has alternatively been placed in the class Schizomycetes Nägeli 1857 (Approved Lists 1980). Publication: Burkholder WH. Genus I. Pseudomonas Migula. Bacterial plant pathogens. In: Breed RS, Murray EGD, Hitchens AP (eds), Bergey's Manual of Determinative Bacteriology, 6th ed., The Williams & Wilkins Co, Baltimore, 1948, p. 82-150.
  • 🚃 The type order of this class has alternatively been placed in the class Schizomycetes Nägeli 1857 (Approved Lists 1980). Publication: Waksman SA. Genus III. Actinomyces Harz,. In: Bergey DH, Harrison FC, Breed RS, Hammer BW, Huntoon FM (eds), Bergey's Manual of Determinative Bacteriology, 1st ed., The Williams & Wilkins Co, Baltimore, 1923, p. 339-371.
  • 🚃 The type order of this class has alternatively been placed in the class Spirochaetes 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.
  • 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Spirochaeia".
  • ✏ The authority of the taxon name (Cavalier Smith) deliberately differs from the authors of the publication (Cavalier Smith and Chao).

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Record number: 14406