Name: Methanoculleus horonobensis Shimizu et al. 2013

Category: Species

Proposed as: sp. nov.

Etymology: ho.ro.no.ben’sis. N.L. masc. adj. horonobensis, of or belonging to Horonobe, a town in Hokkaido, Japan, where the type strain was isolated

Pronunciation, gender: ho-ro-no-BEN-sis, masculine

Type strain: DSM 21626; JCM 15517; T10

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB436897 Analyse FASTA

Valid publication: Shimizu S, Ueno A, Tamamura S, Naganuma T, Kaneko K. Methanoculleus horonobensis sp. nov., a methanogenic archaeon isolated from a deep diatomaceous shale formation. Int J Syst Evol Microbiol 2013; 63:4320-4323.

IJSEM list: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 63, part 11 of the IJSEM. Int J Syst Evol Microbiol 2014; 64:313-315.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Notes:
  • 😢 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 2 times in PubMed until 2025-06-04.

Parent taxon: Methanoculleus Maestrojuán et al. 1990

Assigned by: Shimizu S, Ueno A, Tamamura S, Naganuma T, Kaneko K. Methanoculleus horonobensis sp. nov., a methanogenic archaeon isolated from a deep diatomaceous shale formation. Int J Syst Evol Microbiol 2013; 63:4320-4323.

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Record number: 791244