Name: Cyclobacteriaceae Nedashkovskaya and Ludwig 2012

Category: Family

Proposed as: fam. nov.

Etymology: Cy.clo.bac.te.ri.a’ce.ae. N.L. neut. n. Cyclobacterium, type genus of the family; L. fem. pl. n. suff. -aceae, ending to denote a family; N.L. fem. pl. n. Cyclobacteriaceae, the Cyclobacterium family

Pronunciation (Latin), gender: ky-klo-bak-te-ri-A-ke-a͡e, feminine

Type genus: Cyclobacterium Raj and Maloy 1990

Effective publication: Nedashkovskaya OI, Ludwig W. Family II. Cyclobacteriaceae fam. 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. 423. 🇺🇸

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

Taxonomic status: correct name

• Notes:
  • 🧒 Pitt et al. (2024) assigned the genus Litoribacter Tian et al. 2010 to this family. Publication: Pitt A, Lienbacher S, Schmidt J, Neumann-Schaal M, Wolf J, Hahn MW. Description of a new freshwater bacterium Aquirufa regiilacus sp. nov., classification of the genera Aquirufa, Arundinibacter, Sandaracinomonas, and Tellurirhabdus to the family Spirosomataceae, classification of the genus Chryseotalea to the family Fulvivirgaceae and Litoribacter to the family Cyclobacteriaceae, as well as classification of Litoribacter alkaliphilus as a later heterotypic synonym of Litoribacter ruber. Arch Microbiol 2024; 206:79. 🇦🇹
  • 🚃 The type genus of this family has alternatively been placed in the family "Flexibacteraceae" 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. 🇺🇸
  • 🧔 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. 🇦🇺
  • 🧔 This taxon was discussed in a meeting of a Taxonomic Subcommittee of the ICSP. Publication: Bernardet JF, Bowman JP. International Committee on Systematics of Prokaryotes Subcommittee on the taxonomy of Flavobacterium and Cytophaga-like bacteria: Minutes of the meetings, 7 September 2011, Sapporo, Japan. Int J Syst Evol Microbiol 2013; 63:2752-2754. 🇫🇷
  • 🧔 This taxon was discussed in a meeting of a Taxonomic Subcommittee of the ICSP. Publication: Bowman JP, Bernardet JF, Frandsen Lau E. International Committee on Systematics of Prokaryotes: Subcommittee on the Taxonomy of Aerobic Bacteroidetes (formerly Flavobacterium and Cytophaga-like bacteria). Int J Syst Evol Microbiol 2020; 70:6017-6020. 🇦🇺
  • 💁 Taxonomists who have recently focused on this group are the corresponding authors of Liu et al. (2012), Srinivas et al. (2014), Song et al. (2021), Anil-Kumar et al. (2012), Nedashkovskaya et al. (2007). Editors in search of reviewers are advised to consider additional criteria such as whether a taxon is covered by one of the ICSP subcommittees.
  • 🎰 The BRCs most frequently used for deposits in this group are: KCTC: 74; DSM: 48; JCM: 27; LMG: 26; CGMCC: 19; MCCC: 14; CCUG: 12; NBRC: 11; KMM: 7; CIP: 6.
  • 🧍 In Validation List No. 143, the year of publication of Bergey’s Manual of Systematic Bacteriology, 2nd edn, vol. 4 was erroneously cited as 2010. The correct year of publication should be 2011. Publication: Erratum. Int. J. Syst. Evol. Microbiol. 2012; 62:1016. 🇩🇪

Subdivision:

Number of child taxa with a validly published and correct name: 24
Number of child taxa with a validly published name, including synonyms: 26
Total number of child taxa: 28

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Algoriphagus Bowman et al. 2003	validly published under the ICNP	correct name
    Anditalea Shi et al. 2025	validly published under the ICNP	correct name
    Aquiflexum Brettar et al. 2004	validly published under the ICNP	correct name
    Arthrospiribacter Waleron et al. 2021	validly published under the ICNP	correct name
    Belliella Brettar et al. 2004	validly published under the ICNP	correct name
    Cecembia Anil Kumar et al. 2012	validly published under the ICNP	correct name
    Chimaereicella Tiago et al. 2006	validly published under the ICNP	synonym
    Cognataquiflexum Gao et al. 2022	validly published under the ICNP	correct name
    Cyclobacterium Raj and Maloy 1990	validly published under the ICNP	correct name
    Echinicola Nedashkovskaya et al. 2006	validly published under the ICNP	correct name
    Fontibacter Kämpfer et al. 2010	validly published under the ICNP	correct name
    Hongiella Yi and Chun 2004	validly published under the ICNP	synonym
    Indibacter Anil Kumar et al. 2010	validly published under the ICNP	correct name
    Lunatibacter Han et al. 2021	validly published under the ICNP	correct name
    Lunatimonas Srinivas et al. 2015	validly published under the ICNP	correct name
    Mariniradius Bhumika et al. 2013	validly published under the ICNP	correct name
    Mongoliibacter Wang et al. 2016	validly published under the ICNP	correct name
    Mongoliicoccus Liu et al. 2012	validly published under the ICNP	correct name
    Mongoliitalea Yang et al. 2012	validly published under the ICNP	correct name
    Negadavirga Hu et al. 2015	validly published under the ICNP	correct name
    Nitritalea Anil Kumar et al. 2010	validly published under the ICNP	correct name
    Pararhodonellum Song et al. 2021	validly published under the ICNP	correct name
    Penaeicola Ali et al. 2021	validly published under the ICNP	correct name
    Pleomorphovibrio Song et al. 2019	validly published under the ICNP	correct name
    Rhodonellum Schmidt et al. 2006	validly published under the ICNP	correct name
    "Candidatus Salsimicrobium" Galisteo et al. 2026	not validly published	preferred name
    Shivajiella Anil Kumar et al. 2013	validly published under the ICNP	correct name
    "Candidatus Terripaludimicrobium" Galisteo et al. 2026	not validly published	preferred name

Parent taxon: Cytophagales Leadbetter 1974 (Approved Lists 1980)

Assigned by: Nedashkovskaya OI, Ludwig W. Family II. Cyclobacteriaceae fam. 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. 423. 🇺🇸

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Record number: 1873