Name: Thermogymnomonas acidicola Itoh et al. 2007

Category: Species

Proposed as: sp. nov.

Etymology: a.ci.di’co.la. L. neut. adj. acidum, an acid; L. masc./fem. n. suff. -cola, dweller; from L. masc./fem. n. incola, an inhabitant; N.L. masc./fem. n. acidicola, an inhabitant of an acidic environment

Pronunciation (Latin), gender: … a-ki-DI-ko-la, feminine

Type strain: DSM 18835; IC-189; JCM 13583

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB269873 Analyse FASTA

Valid publication: Itoh T, Yoshikawa N, Takashina T. Thermogymnomonas acidicola gen. nov., sp. nov., a novel thermoacidophilic, cell wall-less archaeon in the order Thermoplasmatales, isolated from a solfataric soil in Hakone, Japan. Int J Syst Evol Microbiol 2007; 57:2557-2561. 🇯🇵

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 57, part 11 of the IJSEM. Int J Syst Evol Microbiol 2008; 58:313-314.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Notes:
  • 🥇 Nomenclatural type of the genus Thermogymnomonas Itoh et al. 2007. Publication: Itoh T, Yoshikawa N, Takashina T. Thermogymnomonas acidicola gen. nov., sp. nov., a novel thermoacidophilic, cell wall-less archaeon in the order Thermoplasmatales, isolated from a solfataric soil in Hakone, Japan. Int J Syst Evol Microbiol 2007; 57:2557-2561. 🇯🇵
  • 😢 The terminology used by the authors is in line with many other taxonomic studies and does not negatively affect their main results; some improvements may nevertheless be possible. Using the term "phylogenetic data" (or equivalent) for sequence data is not advocated. Whether taxa can have "members" is debatable. See the LPSN phylogeny page for details. Publication: Göker M. What can genome analysis offer for bacteria? In: Bridge P, Smith D, Stackebrandt E (eds), Trends in the systematics of bacteria and fungi, CAB International, Wallingford, 2021, p. 255-281. 🇬🇧
  • 😷 The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 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.
  • 🎓 Name mentioned 5 times in PubMed until 2025-06-04.

Parent taxon: Thermogymnomonas Itoh et al. 2007

Assigned by: Itoh T, Yoshikawa N, Takashina T. Thermogymnomonas acidicola gen. nov., sp. nov., a novel thermoacidophilic, cell wall-less archaeon in the order Thermoplasmatales, isolated from a solfataric soil in Hakone, Japan. Int J Syst Evol Microbiol 2007; 57:2557-2561. 🇯🇵

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Record number: 786890