Name: Methanospirillum hungatei corrig. Ferry et al. 1974 (Approved Lists 1980)

Category: Species

Proposed as: sp. nov.

Etymology: hun.ga’te.i. N.L. gen. masc. n. hungatei, of Hungate, named for R. E. Hungate who has made many contributions to the ecological study of methanogenic bacteria

Pronunciation (Latin), gender: me-t^ha-no-spi-RIL-lum hun-GA-te-i, neuter

Type strain: ATCC 27890; JCM 10133; NBRC 100397; OCM 16; strain JF-1

Conduct genome-based taxonomy at

16S rRNA gene: KP231458 Analyse FASTA

Effective publication: Ferry JG, Smith PH, Wolfe RS. Methanospirillum, a new genus of methanogenic bacteria, and characterization of Methanospirillum hungatei sp. nov. International Journal of Systematic Bacteriology 1974; 24:465-469.

IJSEM list: Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Synonyms:

  • Name	Kind
    Methanospirillum hungatii Ferry et al. 1974 (Approved Lists 1980)	other spelling of name, inaccurate spelling

• Emendations:
  • Iino et al. 2010 Iino T, Mori K, Suzuki K. Methanospirillum lacunae sp. nov., a methane-producing archaeon isolated from a puddly soil, and emended descriptions of the genus Methanospirillum and Methanospirillum hungatei. Int J Syst Evol Microbiol 2010; 60:2563-2566. 🇯🇵 Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 60, part 11 of the IJSEM. Int J Syst Evol Microbiol 2011; 61:221-222.
  • Pradel et al. 2024 Pradel N, Bartoli M, Koenen M, Bale N, Neumann-Schaal M, Sproer C, Bunk B, Rohde M, Pester M, Spring S. Description and genome analysis of a novel archaeon isolated from a syntrophic pyrite-forming enrichment culture and reclassification of Methanospirillum hungatei strains GP1 and SK as Methanospirillum purgamenti sp. nov. PLoS One 2024; 19:e0308405. 🇩🇪 Oren A, Göker M. List of changes in taxonomic opinion no. 41. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2025; 75:6561.

• Notes:
  • 🥇 Nomenclatural type of the genus Methanospirillum Ferry et al. 1974 (Approved Lists 1980). Publication: Ferry JG, Smith PH, Wolfe RS. Methanospirillum, a new genus of methanogenic bacteria, and characterization of Methanospirillum hungatei sp. nov. International Journal of Systematic Bacteriology 1974; 24:465-469.
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No". — The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 1. — The risk group for Germany has been imported on 2026-08-13. 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 186 times in PubMed until 2026-06-11.
  • 🧍 The original spelling of the specific epithet, hungatii (sic), has been corrected by Ferry 1989. Publication: Ferry JG. Genus II. Methanospirillum Ferry, Smith and Wolfe 1974, 469AL. In: Staley JT, Bryant MP, Pfennig N, Holt JG (eds), Bergey's Manual of Systematic Bacteriology, first edition, vol. 3, The Williams & Wilkins Co., Baltimore, 1989, p. 2193-2195.

Parent taxon: Methanospirillum Ferry et al. 1974 (Approved Lists 1980)

Assigned by: Ferry JG, Smith PH, Wolfe RS. Methanospirillum, a new genus of methanogenic bacteria, and characterization of Methanospirillum hungatei sp. nov. International Journal of Systematic Bacteriology 1974; 24:465-469.

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Record number: 777941