Name: "Infirmifilum uzonense" (Toshchakov et al. 2016) Zayulina et al. 2021

Category: Species

Proposed as: comb. nov.

Basonym: Thermofilum uzonense Toshchakov et al. 2016

Etymology: u.zo.nen’se. N.L. neut. adj. uzonense, pertaining to the Uzon Caldera, Kamchatka, FarEast Russia, from where the type strain was isolated

Gender: neuter

Type strain: 1807-2; DSM 28062; JCM 19810

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: CP009961 Analyse FASTA

Original publication: Zayulina KS, Elcheninov AG, Toshchakov SV, Kochetkova TV, Novikov AA, Blamey JM, Kublanov IV. 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. Syst Appl Microbiol 2021; 44:126230.

Nomenclatural status: not validly published

Taxonomic status: synonym (and no standing)

Correct name: Thermofilum uzonense Toshchakov et al. 2016

• Synonyms:

  • Name	Kind
    Thermofilum uzonense Toshchakov et al. 2016	homotypic synonym, validly published under the ICNP

Parent taxon: "Infirmifilum" Zayulina et al. 2021

Assigned by: Zayulina KS, Elcheninov AG, Toshchakov SV, Kochetkova TV, Novikov AA, Blamey JM, Kublanov IV. 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. Syst Appl Microbiol 2021; 44:126230.

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Record number: 20039