Thermofilaceae

Thermofilaceae
Scientific classification
Domain:	Archaea
Kingdom:	Thermoproteati
Phylum:	Thermoproteota
Class:	Thermoprotei
Order:	Thermofilales; Zayulina et al., 2021
Family:	Thermofilaceae; Burggraf, Huber & Stetter, 1997
Genera
	Infirmifilum; Thermofilum;

Thermofilaceae are a family of archaea in the order Thermofilales.

Taxonomy

Taxonomy from List of Prokaryotic names with Standing in Nomenclature (LPSN) and National Center for Biotechnology Information (NCBI).

16S rRNA based LTP_07_2026

53 marker proteins based GTDB 11-RS232

Infirmifilum

	I. lucidum Zayulina et al. 2024

	I. uzonense (Toshchakov et al. 2016) Zayulina et al. 2024

Thermofilum

	T. adornatum Zayulina et al. 2020

	T. pendens Zillig & Gierl 1983

Infirmifilum

	I. lucidum

	I. uzonense

Thermofilum

	T. adornatum

	T. pendens

References

1 2 C.L. Schoch. "Thermofilaceae". National Center for Biotechnology Information (NCBI) taxonomy database. Retrieved 2026-08-01.
↑ Zayulina, Kseniya S.; Elcheninov, Alexander G.; Toshchakov, Stepan V.; Kochetkova, Tatiana V.; Novikov, Andrei A.; Blamey, Jenny M.; Kublanov, Ilya V. (2021-07-01). "Novel hyperthermophilic crenarchaeon Infirmifilum lucidum gen. nov. sp. nov., reclassification of Thermofilum uzonense as Infirmifilum uzonense comb. nov. and assignment of the family Thermofilaceae to the order Thermofilales ord. nov". Systematic and Applied Microbiology. 44 (4) 126230. doi:10.1016/j.syapm.2021.126230. ISSN 0723-2020.
↑ Thermofilaceae in LPSN; Freese, H. M.; Meier-Kolthoff, J. P.; Sardà Carbasse, J.; Afolayan, A. O.; Göker, M. (2026). "TYGS and LPSN in 2025: a Global Core Biodata Resource for genome-based classification and nomenclature of prokaryotes within DSMZ Digital Diversity". Nucleic Acids Research. 54 (D1): D884–D891. doi:10.1093/nar/gkaf1110.
↑ "The LTPlus". The All-Species Living Tree Project. Retrieved 1 August 2026.
↑ "LTP_all tree in newick format". The All-Species Living Tree Project. Retrieved 1 August 2026.
↑ Rossello-Mora, Ramon; Viver, Tomeu; Palmer-Rodríguez, Pere; Westram, Ralf; Bustos-Caparros, Esteban; Gago, Joan Francisco; Gonzalez-Mendez, Jaime; Llabrés, Mercè; Ludwig, Wolfgang; Amann, Rudolf (22 April 2026). "A pipeline for improved 16S rRNA gene-based phylogeny and diversity analyses of Bacteria and Archaea". Nature Portfolio. doi:10.21203/rs.3.rs-9370187/v1.
↑ "GTDB release 11-RS232". Genome Taxonomy Database. Retrieved 1 May 2026.
↑ "ar53_r232.sp_label". Genome Taxonomy Database. Retrieved 1 May 2026.
↑ "Taxon History". Genome Taxonomy Database. Retrieved 1 May 2026.

Judicial Commission of the International Committee on Systematics of Prokaryotes (2005). "The nomenclatural types of the orders Acholeplasmatales, Halanaerobiales, Halobacteriales, Methanobacteriales, Methanococcales, Methanomicrobiales, Planctomycetales, Prochlorales, Sulfolobales, Thermococcales, Thermoproteales and Verrucomicrobiales are the genera Acholeplasma, Halanaerobium, Halobacterium, Methanobacterium, Methanococcus, Methanomicrobium, Planctomyces, Prochloron, Sulfolobus, Thermococcus, Thermoproteus and Verrucomicrobium, respectively. Opinion 79". Int. J. Syst. Evol. Microbiol. 55 (Pt 1): 517–518. doi:10.1099/ijs.0.63548-0. PMID 15653928.
Burggraf S; Huber H; Stetter KO (1997). "Reclassification of the crenarchael orders and families in accordance with 16S rRNA sequence data". Int. J. Syst. Bacteriol. 47 (3): 657–660. doi:10.1099/00207713-47-3-657. PMID 9226896.
Zillig W; Stetter KO; Schafer W; Janekovic D; Wunderl S; Holz I; et al. (1981). "Thermoproteales: a novel type of extremely thermoacidophilic anaerobic archaebacteria isolated from Icelandic solfataras". Zentralbl. Mikrobiol. Parasitenkd. Infektionskr. Hyg. Abt. 1 Orig. C2: 205–227.
Zillig W; Tu J; Holz I (1981). "Thermoproteales--a third order of thermoacidophilic archaebacteria". Nature. 293 (5827): 85–86. Bibcode:1981Natur.293...85Z. doi:10.1038/293085a0. PMID 6791033. S2CID 32480643.

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[NCBI-1] 1 2 C.L. Schoch. "Thermofilaceae". National Center for Biotechnology Information (NCBI) taxonomy database. Retrieved 2026-08-01.

[2] Zayulina, Kseniya S.; Elcheninov, Alexander G.; Toshchakov, Stepan V.; Kochetkova, Tatiana V.; Novikov, Andrei A.; Blamey, Jenny M.; Kublanov, Ilya V. (2021-07-01). "Novel hyperthermophilic crenarchaeon Infirmifilum lucidum gen. nov. sp. nov., reclassification of Thermofilum uzonense as Infirmifilum uzonense comb. nov. and assignment of the family Thermofilaceae to the order Thermofilales ord. nov". Systematic and Applied Microbiology. 44 (4) 126230. doi:10.1016/j.syapm.2021.126230. ISSN 0723-2020.

[LPSN-3] Thermofilaceae in LPSN; Freese, H. M.; Meier-Kolthoff, J. P.; Sardà Carbasse, J.; Afolayan, A. O.; Göker, M. (2026). "TYGS and LPSN in 2025: a Global Core Biodata Resource for genome-based classification and nomenclature of prokaryotes within DSMZ Digital Diversity". Nucleic Acids Research. 54 (D1): D884–D891. doi:10.1093/nar/gkaf1110.

[4] "The LTPlus". The All-Species Living Tree Project. Retrieved 1 August 2026.

[5] "LTP_all tree in newick format". The All-Species Living Tree Project. Retrieved 1 August 2026.

[6] Rossello-Mora, Ramon; Viver, Tomeu; Palmer-Rodríguez, Pere; Westram, Ralf; Bustos-Caparros, Esteban; Gago, Joan Francisco; Gonzalez-Mendez, Jaime; Llabrés, Mercè; Ludwig, Wolfgang; Amann, Rudolf (22 April 2026). "A pipeline for improved 16S rRNA gene-based phylogeny and diversity analyses of Bacteria and Archaea". Nature Portfolio. doi:10.21203/rs.3.rs-9370187/v1.

[about-7] "GTDB release 11-RS232". Genome Taxonomy Database. Retrieved 1 May 2026.

[tree-8] "ar53_r232.sp_label". Genome Taxonomy Database. Retrieved 1 May 2026.

[taxon_history-9] "Taxon History". Genome Taxonomy Database. Retrieved 1 May 2026.

Thermofilaceae

Taxonomy

See also

References

Further reading