Name: Thermoplasmata Reysenbach 2002

Category: Class

Proposed as: class. nov.

Etymology: N.L. neut. n. Thermoplasma, type genus of the type order of the class; N.L. neut. pl. n. Thermoplasmata, the class of Thermoplasmatales (nominative plural of Thermoplasma)

Gender: neuter

Type genus: Thermoplasma Darland et al. 1970 (Approved Lists 1980)

Effective publication: Reysenbach A-L. Class IV. Thermoplasmata 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. 335-340.

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.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Synonyms:

  • Name	Kind
    Picrophilea Cavalier-Smith 2002	heterotypic synonym, validly published under the ICNP, rejected name

• Emendations:
  • Rinke et al. 2021 Rinke C, Chuvochina M, Mussig AJ, Chaumeil PA, Davin AA, Waite DW, Whitman WB, Parks DH, Hugenholtz P. A standardized archaeal taxonomy for the Genome Taxonomy Database. Nat Microbiol 2021; 6:946-959.
    Notes:
    • ⊕ Emendation accompanied by the inclusion of 3 orders in the class.
    • 🧍 As of 2023-02-16 this emendation was not yet included in an IJSEM List of Changes in Taxonomic Opinion.

• Notes:
  • 🥇 Nomenclatural type of the phylum "Thermoplasmatota" Rinke et al. 2021. Publication: Rinke C, Chuvochina M, Mussig AJ, Chaumeil PA, Davin AA, Waite DW, Whitman WB, Parks DH, Hugenholtz P. A standardized archaeal taxonomy for the Genome Taxonomy Database. Nat Microbiol 2021; 6:946-959.
  • 🧕 Boone et al. (2001) assigned this class to the phylum "Euryarchaeota" Garrity and Holt 2001. Publication: Garrity GM, Holt JG. Phylum AII. Euryarchaeota phy. nov. 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. 211-355.
  • 🧕 Chuvochina et al. (2023) assigned this class to the phylum Thermoplasmatota Chuvochina et al. 2024. Publication: Chuvochina M, Mussig AJ, Chaumeil PA, Skarshewski A, Rinke C, Parks DH, Hugenholtz P. Proposal of names for 329 higher rank taxa defined in the Genome Taxonomy Database under two prokaryotic codes. FEMS Microbiol Lett 2023; 0:0.
  • 🧕 Luketa (2012) assigned this class to the kingdom "Euryarchaeida" Luketa 2012. Publication: Luketa S. New views on the megaclassification of life. Protistology 2012; 7:218-237.
  • 🧕 Rinke et al. (2021) assigned this class to the phylum "Candidatus Thermoplasmatota" Rinke et al. 2019. Publication: Rinke C, Chuvochina M, Mussig AJ, Chaumeil PA, Davin AA, Waite DW, Whitman WB, Parks DH, Hugenholtz P. A standardized archaeal taxonomy for the Genome Taxonomy Database. Nat Microbiol 2021; 6:946-959.
  • 🚃 The type genus of this class has alternatively been placed in the class Picrophilea 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 e-mail address of the corresponding author given in the effective publication is not functional any more.
  • 🎰 The BRCs most frequently used for deposits in this group are: JCM: 14; DSM: 11; NBRC: 4; ATCC: 4; CIP: 3; IFO: 3; VKM: 1.
  • 🧍 Nomenclatural type changed from Thermoplasmatales 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.
  • 🧍 This name was mentioned in a Request for an Opinion. Rule 8 of the 2022 revision of the ICNP does not require that the name of a class validly published before 1 January 2012 be formed from the stem of the name of the type genus of the type order of the class plus the ending ia. This class name is orthographically correct (nominative plural of a 3rd declension neuter noun). Publication: Goker M. Solving the remaining problems with names of classes. Request for an Opinion. Int J Syst Evol Microbiol 2022; 72:5605.
  • 🧍 In Validation List no. 85, the page numbers of the effective publication are cited as "pp. 335-340". 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.

Subdivision:

Number of child taxa with a validly published and correct name: 2
Number of child taxa with a validly published name, including synonyms: 2
Total number of child taxa: 5

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    "Candidatus Aciduliprofundales" Rinke et al. 2021	not validly published	preferred name (not correct name)
    "Candidatus Gimiplasmatales" Hu et al. 2021	not validly published	preferred name (not correct name)
    "Candidatus Lunaplasmatales" Zinke et al. 2021	not validly published	preferred name (not correct name)
    Methanomassiliicoccales Iino et al. 2013	validly published under the ICNP	correct name
    Thermoplasmatales Reysenbach 2002	validly published under the ICNP	correct name

Parent taxon: Methanobacteriota Garrity and Holt 2023

Assigned by: Goker M, Oren A. Valid publication of four additional phylum names. Int J Syst Evol Microbiol 2023; 73:6024.

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Record number: 75