Name: Oligoflexia Nakai et al. 2014

Category: Class

Proposed as: class. nov.

Etymology: O.li.go.fle’xi.a. N.L. masc. n. Oligoflexus, type genus of the type order of the class; L. neut. pl. n. suff. -ia, ending to denote a class; N.L. neut. pl. n. Oligoflexia, the class of the order Oligoflexales

Gender: neuter

Type genus: Oligoflexus Nakai et al. 2014

Valid publication: Nakai R, Nishijima M, Tazato N, Handa Y, Karray F, Sayadi S, Isoda H, Naganuma T. Oligoflexus tunisiensis gen. nov., sp. nov., a Gram-negative, aerobic, filamentous bacterium of a novel proteobacterial lineage, and description of Oligoflexaceae fam. nov., Oligoflexales ord. nov. and Oligoflexia classis nov. Int J Syst Evol Microbiol 2014; 64:3353-3359.

IJSEM list: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 64, part 10 of the IJSEM. Int J Syst Evol Microbiol 2015; 65:5-6.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Synonyms:

  • Name	Kind
    Bacteriovoracia Waite et al. 2020	heterotypic synonym, validly published under the ICNP
    Bdellovibrionia Waite et al. 2020	heterotypic synonym, validly published under the ICNP

• Emendations:
  • Hahn et al. 2017 Hahn MW, Schmidt J, Koll U, Rohde M, Verbarg S, Pitt A, Nakai R, Naganuma T, Lang E. Silvanigrella aquatica gen. nov., sp. nov., isolated from a freshwater lake, description of Silvanigrellaceae fam. nov. and Silvanigrellales ord. nov., reclassification of the order Bdellovibrionales in the class Oligoflexia, reclassification of the families Bacteriovoracaceae and Halobacteriovoraceae in the new order Bacteriovoracales ord. nov., and reclassification of the family Pseudobacteriovoracaceae in the order Oligoflexales. Int J Syst Evol Microbiol 2017; 67:2555-2568. Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 67, part 8 of the IJSEM. Int J Syst Evol Microbiol 2017; 67:4294-4297.
    Notes:
    • ⊕ Emendation accompanied by the inclusion of 4 orders in the class.
  • Waite et al. 2020 Waite DW, Chuvochina M, Pelikan C, Parks DH, Yilmaz P, Wagner M, Loy A, Naganuma T, Nakai R, Whitman WB, et al. Proposal to reclassify the proteobacterial classes Deltaproteobacteria and Oligoflexia, and the phylum Thermodesulfobacteria into four phyla reflecting major functional capabilities. Int J Syst Evol Microbiol 2020; 70:5972-6016. Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 70, part 11 of the IJSEM. Int J Syst Evol Microbiol 2021; 71:4645.
    Notes:
    • ⊕ Emendation accompanied by the inclusion of 2 orders in the class.
    • ⊖ Emendation accompanied by the removal of 1 genus from the class. — ⊖ Emendation accompanied by the removal of 2 orders from the class.

• Notes:
  • 🧕 Nakai et al. (2014) assigned this class to the phylum "Proteobacteria" Gray and Herwig 1996. Publication: Nakai R, Nishijima M, Tazato N, Handa Y, Karray F, Sayadi S, Isoda H, Naganuma T. Oligoflexus tunisiensis gen. nov., sp. nov., a Gram-negative, aerobic, filamentous bacterium of a novel proteobacterial lineage, and description of Oligoflexaceae fam. nov., Oligoflexales ord. nov. and Oligoflexia classis nov. Int J Syst Evol Microbiol 2014; 64:3353-3359.
  • 🧕 Waite et al. (2020) assigned this class to the phylum "Bdellovibrionota" Waite et al. 2020. Publication: Waite DW, Chuvochina M, Pelikan C, Parks DH, Yilmaz P, Wagner M, Loy A, Naganuma T, Nakai R, Whitman WB, et al. Proposal to reclassify the proteobacterial classes Deltaproteobacteria and Oligoflexia, and the phylum Thermodesulfobacteria into four phyla reflecting major functional capabilities. Int J Syst Evol Microbiol 2020; 70:5972-6016.
  • 🧒 Nakai et al. (2014) assigned the genus Oligoflexus Nakai et al. 2014 to this class. Publication: Nakai R, Nishijima M, Tazato N, Handa Y, Karray F, Sayadi S, Isoda H, Naganuma T. Oligoflexus tunisiensis gen. nov., sp. nov., a Gram-negative, aerobic, filamentous bacterium of a novel proteobacterial lineage, and description of Oligoflexaceae fam. nov., Oligoflexales ord. nov. and Oligoflexia classis nov. Int J Syst Evol Microbiol 2014; 64:3353-3359.
  • 🎰 The BRCs most frequently used for deposits in this group are: DSM: 20; ATCC: 15; KCTC: 5; JCM: 5; NCCB: 4; CGMCC: 4; NCIMB: 3; CCUG: 1; VKM: 1; MCCC: 1.
  • 🧍 Nomenclatural type changed from Oligoflexales Nakai et al. 2014 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: 4

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Bacteriovoracales Hahn et al. 2017	validly published under the ICNP	correct name
    Bdellovibrionales Garrity et al. 2006	validly published under the ICNP	correct name
    Oligoflexales Nakai et al. 2014	validly published under the ICNP	correct name
    Silvanigrellales Hahn et al. 2017	validly published under the ICNP	correct name

Parent taxon: Pseudomonadota Garrity et al. 2021

Assigned by: Oren A, Garrity GM. Valid publication of the names of forty-two phyla of prokaryotes. Int J Syst Evol Microbiol 2021; 71:5056.

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Record number: 111