Etymology:
A.qui.fi’cae. N.L. fem. pl. n.Aquificales, type order of the class, dropping the ending to denote a class; N.L. fem. pl. n.Aquificae, the class of Aquificales (sic)
Effective publication:
Reysenbach A-L. Class I. Aquificae class. nov. In: Boone DR, Castenholz RW, Garrity GM (eds), Bergey's Manual of Systematic Bacteriology, 2nd edn, vol. 1 (The Archaea and the Deeply Branching and Phototrophic Bacteria), Springer, New York, 2001, p. 359-367.
IJSEM list:
Anonymous. Validation list no. 85. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2002; 52:685-690.
Gupta and Lali 2013
Gupta RS, Lali R. Molecular signatures for the phylum Aquificae and its different clades: proposal for division of the phylum Aquificae into the emended order Aquificales, containing the families Aquificaceae and Hydrogenothermaceae, and a new order Desulfurobacteriales ord. nov., containing the family Desulfurobacteriaceae. Antonie Van Leeuwenhoek 2013; 104:349-368.
Oren A, Garrity GM. List of changes in taxonomic opinion no. 19. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2014; 64:8-10.
Notes:
🥇 Nomenclatural type of the phylum "Aquificaeota" Oren et al. 2015.Publication:
Oren A, da Costa MS, Garrity GM, Rainey FA, Rossello-Mora R, Schink B, Sutcliffe I, Trujillo ME, Whitman WB. Proposal to include the rank of phylum in the International Code of Nomenclature of Prokaryotes. Int J Syst Evol Microbiol 2015; 65:4284-4287.
🥇 Nomenclatural type of the phylum "Aquificota" Whitman et al. 2018.Publication:
Whitman WB, Oren A, Chuvochina M, da Costa MS, Garrity GM, Rainey FA, Rossello-Mora R, Schink B, Sutcliffe I, Trujillo ME, et al. Proposal of the suffix -ota to denote phyla. Addendum to 'Proposal to include the rank of phylum in the International Code of Nomenclature of Prokaryotes'. Int J Syst Evol Microbiol 2018; 68:967-969.
🧕 Gupta and Lali (2013) assigned this class to the phylum "Aquificae" Reysenbach 2001.Publication:
Gupta RS, Lali R. Molecular signatures for the phylum Aquificae and its different clades: proposal for division of the phylum Aquificae into the emended order Aquificales, containing the families Aquificaceae and Hydrogenothermaceae, and a new order Desulfurobacteriales ord. nov., containing the family Desulfurobacteriaceae. Antonie Van Leeuwenhoek 2013; 104:349-368.
🧕 Oren and Garrity (2021) assigned this class to the phylum Aquificota Reysenbach 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.
🚃 The type genus of this class has alternatively been placed in the class Epsilobacteria Cavalier-Smith 2002.Publication:
Cavalier-Smith T. The neomuran origin of archaebacteria, the negibacterial root of the universal tree and bacterial megaclassification. Int J Syst Evol Microbiol 2002; 52:7-76.
🚃 The type genus of this class has alternatively been placed in the class Aquificia corrig. Reysenbach 2002.Publication:
Huber R, Stetter KO, Garrity GM. Genus I. Aquifex Huber and Stetter 1992e, 656VP (Effective publication: Huber and Stetter in Huber, Wilharm, Huber, Trincone, Burggraf, König, Rachel, Rockinger, Fricke and Stetter 1992b, 349). 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. 360-362.
🚃 The type genus of this class has alternatively been placed in the class Aquificia corrig. Reysenbach 2002.Publication:
Cavalier-Smith T, Chao EE. Multidomain ribosomal protein trees and the planctobacterial origin of neomura (eukaryotes, archaebacteria). Protoplasma 2020; 257:621-753.
🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Aquijicae"; "Aqulficae".
📧 The e-mail address of the corresponding author given in the effective publication is not functional any more.
🧍 Aquificae Reysenbach 2002 might have been considered as a later homotypic synonym of Epsilobacteria Cavalier-Smith 2002. However, Epsilobacteria Cavalier-Smith 2002 is not in accordance with the rules of the ICNP. — In Validation List no. 85, the page numbers of the effective publication are cited as "pp. 359-367".Publication:
Anonymous. Validation list no. 85. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2002; 52:685-690.
🧍 Nomenclatural type changed from Aquificales Reysenbach 2002 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.