Name: Hydrogenophilalia Boden et al. 2017

Category: Class

Proposed as: class. nov.

Etymology: Hy.dro.ge.no.phi.la’li.a. N.L. masc. n. Hydrogenophilus, type genus of the type family of the type order; -alia, suffix to denote class (sic); N.L. neut. pl. n. Hydrogenophilalia, class of the Bacteria having 16S rRNA gene sequences related to those of the order Hydrogenophilales (sic)

Gender: neuter

Type order: Hydrogenophilales Garrity et al. 2006

Valid publication: Boden R, Hutt LP, Rae AW. Reclassification of Thiobacillus aquaesulis (Wood & Kelly, 1995) as Annwoodia aquaesulis gen. nov., comb. nov., transfer of Thiobacillus (Beijerinck, 1904) from the Hydrogenophilales to the Nitrosomonadales, proposal of Hydrogenophilalia class. nov. within the 'Proteobacteria', and four new families within the orders Nitrosomonadales and Rhodocyclales. Int J Syst Evol Microbiol 2017; 67:1191-1205.

IJSEM list: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 67, part 5 of the IJSEM. Int J Syst Evol Microbiol 2017; 67:2495-2498.

Nomenclatural status: validly published under the ICNP, illegitimate name

Taxonomic status: in need of a replacement

• Notes:
  • Boden et al. (2017) assigned this class to the phylum "Proteobacteria" Garrity et al. 2005. Publication: Boden R, Hutt LP, Rae AW. Reclassification of Thiobacillus aquaesulis (Wood & Kelly, 1995) as Annwoodia aquaesulis gen. nov., comb. nov., transfer of Thiobacillus (Beijerinck, 1904) from the Hydrogenophilales to the Nitrosomonadales, proposal of Hydrogenophilalia class. nov. within the 'Proteobacteria', and four new families within the orders Nitrosomonadales and Rhodocyclales. Int J Syst Evol Microbiol 2017; 67:1191-1205.
  • This taxon name is occasionally misprinted in some sources as: "Hydrogenophilia".
  • The BRCs most frequently used for deposits in this group are: DSM: 7; JCM: 4; LMG: 3; CGMCC: 2; KCTC: 2; NBRC: 1; VKM: 1; IFO: 1.
  • Hydrogenophilalia Boden et al. 2017 is illegitimate because the formation of the name contravenes Rule 8 of the ICNP. Publication: Arahal et al.. Judicial Opinion No. 122. Int J Syst Evol Microbiol 2022; 72:5481.
  • See Boden et al. (2019) for a taxonomic overview of the class. Publication: Boden R, Hutt LP, Rae A. Hydrogenophilalia. In: Unknown e (eds), Bergey's Manual of Systematics of Archaea and Bacteria, John Wiley & Sons, New York, 2019, p. 1-4.

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: 2

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Hydrogenophilales Garrity et al. 2006	validly published under the ICNP	correct name
    [Hydrogenophilalia, not assigned to order]	artificial parent node of taxa incertae sedis

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: 127