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: synonym

Correct name: Hydrogenophilia Boden et al. 2022

• Synonyms:

  • Name	Kind
    Hydrogenophilia Boden et al. 2022	homotypic synonym, validly published under the ICNP

• Notes:
  • 🧕 Boden et al. (2017) assigned this class to the phylum "Proteobacteria" Gray and Herwig 1996. 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.
  • 🧕 Oren and Garrity (2021) assigned this class to the phylum Pseudomonadota Garrity et al. 2021. Publication: Oren A, Garrity GM. Valid publication of the names of forty-two phyla of prokaryotes. Int J Syst Evol Microbiol 2021; 71:5056.
  • 🧒 Boden et al. (2017) assigned the order Hydrogenophilales Garrity et al. 2006 to this class. 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.
  • 🧒 Slobodkina et al. (2020) assigned the genus Pelomicrobium Slobodkina et al. 2020 to this class. Publication: Slobodkina GB, Merkel AY, Novikov AA, Bonch-Osmolovskaya EA, Slobodkin AI. Pelomicrobium methylotrophicum gen. nov., sp. nov. a moderately thermophilic, facultatively anaerobic, lithoautotrophic and methylotrophic bacterium isolated from a terrestrial mud volcano. Extremophiles 2020; 24:177-185.
  • 🛺 The type order of this class has been placed in the class Hydrogenophilia Boden et al. 2022. Publication: Goker M. Filling the gaps: missing taxon names at the ranks of class, order and family. Int J Syst Evol Microbiol 2022; 72:5638.
  • 🚃 The type order of this class has alternatively been placed in the class Betaproteobacteria Garrity et al. 2006. Publication: Garrity GM, Bell JA, Lilburn T. Class II. Betaproteobacteria class. nov. In: Brenner DJ, Krieg NR, Staley JT, Garrity GM (eds), Bergey's Manual of Systematic Bacteriology, 2nd edn, vol. 2 (The Proteobacteria), part C (The Alpha-, Beta-, Delta-, and Epsilonproteobacteria), Springer, New York, 2005, p. 575.
  • 🧍 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.

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Record number: 127