Etymology:
Spi.ro.chaeāti.a. N.L. fem. n.Spirochaeta, type genus of the type order Spirochaetales; L. neut. pl. n. suff.-ia, ending to denote a class; N.L. neut. pl. n.Spirochaetia, the class of Spirochaetales
Effective 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.
IJSEM list:
Oren A, Garrity GM. Validation list no. 195. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2020; 70:4844-4847.
Nomenclatural status:
validly published under the ICNP
homotypic synonym, validly published under the ICNP, rejected name
Notes:
🧕 Cavalier-Smith and Chao (2020) assigned this class to the phylum "Spirochaetae" (Ehrenberg 1855) Cavalier-Smith 1998.Publication:
Cavalier-Smith T, Chao EE. Multidomain ribosomal protein trees and the planctobacterial origin of neomura (eukaryotes, archaebacteria). Protoplasma 2020; 257:621-753.
🧕 Krieg et al. (2010) assigned this class to the phylum "Spirochaetes" Garrity and Holt 2001.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.
🧒 Krieg et al. (2010) assigned the family Leptospiraceae Hovind-Hougen 1979 (Approved Lists 1980) to this class.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.
🧒 Krieg et al. (2010) assigned the family Spirochaetaceae Swellengrebel 1907 (Approved Lists 1980) to this class.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.
🧒 Krieg et al. (2010) assigned the family Brevinemataceae Paster 2012 to this class.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.
🧒 Krieg et al. (2010) assigned the family Brachyspiraceae Paster 2012 to this class.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.
🧒 Krieg et al. (2010) assigned the genus Spirochaeta Ehrenberg 1835 (Approved Lists 1980) to this class.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.
🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Spirochaeia".
🎰 The BRCs most frequently used for deposits in this group are: DSM: 175; ATCC: 127; CIP: 84; JCM: 49; NCTC: 14; KCTC: 12; CCUG: 8; VKM: 7; NBRC: 6; NCCB: 5.
🧍 Nomenclatural type changed from Spirochaetales Buchanan 1917 (Approved Lists 1980) 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.
Subdivision:
Number of child taxa with a validly published and correct name: 4 Number of child taxa with a validly published name, including synonyms: 4 Total number of child taxa: 7