Name: Thermococcus Zillig 1983

Category: Genus

Proposed as: gen. nov.

Etymology: Ther.mo.coc’cus. Gr. fem. adj. thermê, heat; N.L. masc. n. coccus, coccus; from Gr. masc. n. kokkos, grain, seed; N.L. masc. n. Thermococcus, coccus existing in hot environment

Gender, pronunciation (Latin): masculine (stem: Thermococc-), t^her-mo-KOK-kus

Type species: Thermococcus celer Zillig 1983

Conduct genome-based taxonomy of genus at TYGS

16S rRNA gene: Analyse FASTA

Effective publication: Zillig W, Holz I, Janekovic D, Schafer W, Reiter WD. The Archaebacterium Thermococcus celer Represents, a Novel Genus within the Thermophilic Branch of the Archaebacteria. Syst Appl Microbiol 1983; 4:88-94. 🇩🇪

IJSEM list: Anonymous. Validation list no. 11. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1983; 33:672-674.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Notes:
  • 🥇 Nomenclatural type of the class Thermococci Zillig and Reysenbach 2002. Publication: Zillig W, Reysenbach A-L. Class V Thermococci 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. 341-348. 🇺🇸
  • 🥇 Nomenclatural type of the family Thermococcaceae Zillig 1988. Publication: Zillig W, Holz I, Klenk H-P, Trent J, Wunderl S, Janekovic D, Imsel E, Haas B. Pyrococcus woesei, sp. nov., an ultra-thermophilic marine Archaebacterium, representing a novel order, Thermococcales. Syst. Appl. Microbiol. 1987; 9:62-70. 🇩🇪
  • 🥇 Nomenclatural type of the order Thermococcales Zillig 1988. Publication: Zillig W, Holz I, Klenk H-P, Trent J, Wunderl S, Janekovic D, Imsel E, Haas B. Pyrococcus woesei, sp. nov., an ultra-thermophilic marine Archaebacterium, representing a novel order, Thermococcales. Syst. Appl. Microbiol. 1987; 9:62-70. 🇩🇪
  • 🧕 Zillig et al. (1987) assigned this genus to the order Thermococcales Zillig 1988. Publication: Zillig W, Holz I, Klenk H-P, Trent J, Wunderl S, Janekovic D, Imsel E, Haas B. Pyrococcus woesei, sp. nov., an ultra-thermophilic marine Archaebacterium, representing a novel order, Thermococcales. Syst. Appl. Microbiol. 1987; 9:62-70. 🇩🇪
  • 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Tbermococcus"; "Termococcus"; "Themcoccus"; "Themococcus"; "Themzococcus"; "Thennacoccus"; "Thennococcus"; "Thermoccoccus"; "Thermoccocus"; "Thermococccus"; "Thermococciis"; "Thermococcocus"; "Thermococcua"; "Thermococeus"; "Thermococus"; "Thermocoecus"; "Thermocoeeus"; "Thermoeoccus"; "Thermucoccus"; "Therrnococcus"; "Thewnococcus"; "Thrrmococcus".
  • 💁 Taxonomists who have recently focused on this group are the corresponding authors of Jolivet et al. (2004), Kuwabara et al. (2007), Courtine et al. (2021), Godfroy et al. (1997), Park et al. (2023). Editors in search of reviewers are advised to consider additional criteria such as whether a taxon is covered by one of the ICSP subcommittees.
  • ✏ The authority of the taxon name (Zillig) deliberately differs from the authors of the publication (Zillig et al.).
  • 🎰 The BRCs most frequently used for deposits in this group are: DSM: 36; JCM: 32; ATCC: 14; KCTC: 4; UBOCC: 4; CIP: 4; CNCM: 3; MCCC: 3; KACC: 2; CGMCC: 1.
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Animal classification RG: 1 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 1". — If in doubt, use the risk group given in the regulations for your country and, if these are not available, use the risk group given in the catalogue of the culture collection from which you have obtained or intend to obtain the strain.
  • 🧍 Pittman et al. (1991) suggested the abbreviation "TMCO" for this genus name but this does not appear to be of practical relevance any longer. Publication: Pittman KF, Walczak CA, Lock CM. Codes and abbreviations for approved of effectively published names of genera of bacteria published from January 1980 to December 1990. Int J Syst Bacteriol 1991; 41:571-579.

Subdivision:

Number of child taxa with a validly published and correct name: 41
Number of child taxa with a validly published name, including synonyms: 41
Total number of child taxa: 48

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Thermococcus acidaminovorans Dirmeier et al. 2001	validly published under the ICNP	correct name
    Thermococcus aciditolerans Li et al. 2021	validly published under the ICNP	correct name
    Thermococcus aegaeicus Arab et al. 2000	inaccurate spelling	misspelling
    Thermococcus aegaeus corrig. Arab et al. 2000	validly published under the ICNP	correct name
    Thermococcus aggregans Canganella et al. 1998	validly published under the ICNP	correct name
    Thermococcus alcaliphilus Keller et al. 1997	validly published under the ICNP	correct name
    Thermococcus argininiproducens Park et al. 2023	validly published under the ICNP	correct name
    Thermococcus atlanticus Cambon-Bonavita et al. 2004	validly published under the ICNP	correct name
    Thermococcus barophilus Marteinsson et al. 1999	validly published under the ICNP	correct name
    Thermococcus barossii Duffaud et al. 2005	validly published under the ICNP	correct name
    "Thermococcus bergensis" Birkeland et al. 2021	not validly published	preferred name
    Thermococcus camini Courtine et al. 2021	validly published under the ICNP	correct name
    Thermococcus celer Zillig 1983	validly published under the ICNP	correct name
    Thermococcus celericrescens Kuwabara et al. 2007	validly published under the ICNP	correct name
    Thermococcus chitonophagus Huber and Stetter 1996	validly published under the ICNP	correct name
    Thermococcus cleftensis Hensley et al. 2014	validly published under the ICNP	correct name
    Thermococcus coalescens Kuwabara et al. 2005	validly published under the ICNP	correct name
    Thermococcus eurythermalis Zhao et al. 2015	validly published under the ICNP	correct name
    Thermococcus fumicolans Godfroy and Meunier 1996	validly published under the ICNP	correct name
    Thermococcus gammatolerans Jolivet et al. 2003	validly published under the ICNP	correct name
    Thermococcus gorgonarius Miroshnichenko et al. 1998	validly published under the ICNP	correct name
    Thermococcus guaymasensis Canganella et al. 1998	validly published under the ICNP	correct name
    Thermococcus henrietii Alain et al. 2021	validly published under the ICNP	correct name
    Thermococcus hydrothermalis Godfroy et al. 1997	validly published under the ICNP	correct name
    Thermococcus indicus Lim et al. 2021	validly published under the ICNP	correct name
    Thermococcus kodakaraensis Atomi et al. 2005	inaccurate spelling	misspelling
    Thermococcus kodakarensis corrig. Atomi et al. 2005	validly published under the ICNP	correct name
    Thermococcus litoralis Neuner et al. 2001	validly published under the ICNP	correct name
    Thermococcus marinus Jolivet et al. 2025	validly published under the ICNP	correct name
    Thermococcus nautili Gorlas et al. 2022	validly published under the ICNP	correct name
    "Thermococcus nautilus" Soler et al. 2007	not validly published	preferred name
    "Thermococcus onnurineus" Bae et al. 2006	not validly published	preferred name
    Thermococcus pacificus Miroshnichenko et al. 1998	validly published under the ICNP	correct name
    Thermococcus paralvinellae Hensley et al. 2014	validly published under the ICNP	correct name
    Thermococcus peptonophilus González et al. 1996	validly published under the ICNP	correct name
    "Thermococcus petroboostus" Kapse et al. 2024	not validly published	preferred name
    Thermococcus piezophilus Dalmasso et al. 2017	validly published under the ICNP	correct name
    Thermococcus prieurii Gorlas et al. 2013	validly published under the ICNP	correct name
    Thermococcus profundus Kobayashi and Horikoshi 1995	validly published under the ICNP	correct name
    Thermococcus radiotolerans Jolivet et al. 2026	validly published under the ICNP	correct name
    Thermococcus sibiricus Miroshnichenko et al. 2024	validly published under the ICNP	correct name
    Thermococcus siculi Grote et al. 2000	validly published under the ICNP	correct name
    Thermococcus stetteri Miroshnichenko 1990	validly published under the ICNP	correct name
    "Thermococcus superprofundus" Dalmasso et al. 2016	not validly published	synonym
    Thermococcus thermotolerans Yang et al. 2023	validly published under the ICNP	correct name
    Thermococcus thioreducens Pikuta et al. 2007	validly published under the ICNP	correct name
    Thermococcus waiotapuensis González et al. 2001	validly published under the ICNP	correct name
    Thermococcus zilligii Ronimus et al. 1999	validly published under the ICNP	correct name

Parent taxon: Thermococcaceae Zillig 1988

Assigned by: Zillig W, Holz I, Klenk H-P, Trent J, Wunderl S, Janekovic D, Imsel E, Haas B. Pyrococcus woesei, sp. nov., an ultra-thermophilic marine Archaebacterium, representing a novel order, Thermococcales. Syst. Appl. Microbiol. 1987; 9:62-70. 🇩🇪

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Record number: 517134