Etymology:N.L. fem. n.Cytophaga, type genus of the type order Cytophagales; L. neut. pl. n. suff.-ia, ending to denote a class; N.L. neut. pl. n.Cytophagia, the class of Cytophagales
Effective publication:
Nakagawa Y. Class IV. Cytophagia class. nov. In: Krieg NR, Staley JT, Brown DR, Hedlund BP, Paster BJ, Ward NL, Ludwig W, Whitman WB (eds), Bergey's Manual of Systematic Bacteriology, 2nd edn, vol. 4, Springer, New York, 2010, p. 370.
IJSEM list:
Euzeby JP. Validation list no. 143. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2012; 62:1-4.
Nomenclatural status:
validly published under the ICNP
homotypic synonym, validly published under the ICNP, rejected name
Emendations:
Hahnke et al. 2016
Hahnke RL, Meier-Kolthoff JP, Garcia-Lopez M, Mukherjee S, Huntemann M, Ivanova NN, Woyke T, Kyrpides NC, Klenk HP, Goker M. Genome-Based Taxonomic Classification of Bacteroidetes. Front Microbiol 2016; 7:2003.
Oren A, Garrity GM. List of changes in taxonomic opinion no. 26. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2017; 67:2081-2086. Notes:
⊖ Emendation accompanied by the removal of 1 genus from the class.
García-López et al. 2019
Garcia-Lopez M, Meier-Kolthoff JP, Tindall BJ, Gronow S, Woyke T, Kyrpides NC, Hahnke RL, Goker M. Analysis of 1,000 Type-Strain Genomes Improves Taxonomic Classification of Bacteroidetes. Front Microbiol 2019; 10:2083.
Oren A, Garrity GM. List of changes in taxonomic opinion no. 32. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2020; 70:4061-4090. Notes:
⊖ Emendation accompanied by the removal of 1 genus from the class.
Notes:
🧕 Cavalier-Smith and Chao (2020) assigned this class to the superclass "Bacteroidia" Cavalier-Smith 2020.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 "Bacteroidetes" Krieg et al. 2010.Publication:
Krieg NR, Ludwig W, Euzéby J, Whitman WB. Phylum XIV. Bacteroidetes phyl. nov. In: Krieg NR, Staley JT, Brown DR, Hedlund BP, Paster BJ, Ward NL, Ludwig W, Whitman WB (eds), Bergey's Manual of Systematic Bacteriology, 2nd edn, vol. 4, Springer, New York, 2010, p. 25.
🧒 Krieg et al. (2010) assigned the family Rhodothermaceae Ludwig et al. 2012 to this class.Publication:
Nakagawa Y. Class IV. Cytophagia class. nov. In: Krieg NR, Staley JT, Brown DR, Hedlund BP, Paster BJ, Ward NL, Ludwig W, Whitman WB (eds), Bergey's Manual of Systematic Bacteriology, 2nd edn, vol. 4, Springer, New York, 2010, p. 370.
🧒 Krieg et al. (2010) assigned the genus Balneola Urios et al. 2006 to this class.Publication:
Nakagawa Y. Class IV. Cytophagia class. nov. In: Krieg NR, Staley JT, Brown DR, Hedlund BP, Paster BJ, Ward NL, Ludwig W, Whitman WB (eds), Bergey's Manual of Systematic Bacteriology, 2nd edn, vol. 4, Springer, New York, 2010, p. 370.
🧒 Krieg et al. (2010) assigned the genus Cytophaga Winogradsky 1929 (Approved Lists 1980) to this class.Publication:
Nakagawa Y. Class IV. Cytophagia class. nov. In: Krieg NR, Staley JT, Brown DR, Hedlund BP, Paster BJ, Ward NL, Ludwig W, Whitman WB (eds), Bergey's Manual of Systematic Bacteriology, 2nd edn, vol. 4, Springer, New York, 2010, p. 370.
🧒 Krieg et al. (2010) assigned the genus Sporocytophaga Stanier 1940 (Approved Lists 1980) to this class.Publication:
Nakagawa Y. Class IV. Cytophagia class. nov. In: Krieg NR, Staley JT, Brown DR, Hedlund BP, Paster BJ, Ward NL, Ludwig W, Whitman WB (eds), Bergey's Manual of Systematic Bacteriology, 2nd edn, vol. 4, Springer, New York, 2010, p. 370.
🧒 Krieg et al. (2010) assigned the genus Thermonema Hudson et al. 1989 to this class.Publication:
Nakagawa Y. Class IV. Cytophagia class. nov. In: Krieg NR, Staley JT, Brown DR, Hedlund BP, Paster BJ, Ward NL, Ludwig W, Whitman WB (eds), Bergey's Manual of Systematic Bacteriology, 2nd edn, vol. 4, Springer, New York, 2010, p. 370.
🧒 Krieg et al. (2010) assigned the genus Toxothrix Molisch 1925 (Approved Lists 1980) to this class.Publication:
Nakagawa Y. Class IV. Cytophagia class. nov. In: Krieg NR, Staley JT, Brown DR, Hedlund BP, Paster BJ, Ward NL, Ludwig W, Whitman WB (eds), Bergey's Manual of Systematic Bacteriology, 2nd edn, vol. 4, Springer, New York, 2010, p. 370.
🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Cytophaia".
🧔 This taxon was discussed in a meeting of a Taxonomic Subcommittee of the ICSP.Publication:
Bowman JP, Hugo C, Nicholson A, Hahnke R, Lau EF, Holmes B, Sutcliffe I. International Committee on Systematics of Prokaryotes: Subcommittee on the taxonomy of aerobic Bacteroidota. Minutes of the online meeting 25 April 2023. Int J Syst Evol Microbiol 2023; 73:6144.
🧔 This taxon was discussed in a meeting of a Taxonomic Subcommittee of the ICSP.Publication:
Bowman JP, Hugo C, Bernardet JF. International Committee on Systematics of Prokaryotes Subcommittee on the taxonomy of Aerobic Bacteroidetes (formerly Flavobacterium and Cytophaga-like bacteria). Minutes of the meeting, 30 July 2014, Montreal, Canada. Int J Syst Evol Microbiol 2017; 67:507-509.
🎰 The BRCs most frequently used for deposits in this group are: KCTC: 327; JCM: 221; DSM: 206; NBRC: 148; LMG: 144; ATCC: 73; CGMCC: 61; CIP: 59; IFO: 44; MCCC: 41.
🧍 Nomenclatural type changed from Cytophagales Leadbetter 1974 (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: 1 Number of child taxa with a validly published name, including synonyms: 1 Total number of child taxa: 1