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

Category: Genus

Proposed as: gen. nov.

Etymology: Me.tha.no.spi.ril’lum. N.L. neut. n. methanum, methane; from French masc. n. méthyle; from Chem. neut. suff. -ane; N.L. pref. methano-, pertaining to methane (in compound words); Gr. fem. n. speîra, a spire; N.L. neut. dim. n. spirillum, a spiral; N.L. neut. dim. n. Methanospirillum, methane (-producing) spiral

Gender, pronunciation: neuter (stem: Methanospirill-), me-t^ha-no-spi-RIL-lum

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

Conduct genome-based taxonomy of genus at TYGS

16S rRNA gene: 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

• 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.
    Notes:
    • ⊕ Emendation accompanied by the proposal of 1 new species in the genus.
  • Zhou et al. 2014 Zhou L, Liu X, Dong X. Methanospirillum psychrodurum sp. nov., isolated from wetland soil. Int J Syst Evol Microbiol 2014; 64:638-641. Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 64, part 2 of the IJSEM. Int J Syst Evol Microbiol 2014; 64:1459-1460.
    Notes:
    • ⊕ Emendation accompanied by the proposal of 1 new species in the genus.

• Notes:
  • 🥇 Nomenclatural type of the family Methanospirillaceae Boone et al. 2002. Publication: Boone DR, Whitman WB, Koga Y. Family III. Methanospirillaceae fam. nov. In: Boone DR, Castenholz RW, Garrity GM (eds), Bergey's Manual of Systematic Bacteriology, 2nd edn, vol. 1 (The Archaea and the Deeply Branching and Phototrophic Bacteria), Springer, New York, 2001, p. 264-267.
  • 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Mclhanospirillum"; "Metbanospirillum"; "Methanospiriilum"; "Methanospirilhm"; "Methanospiriltum"; "Methtmospirillum".
  • 🖹 Minimal standards for the description of new taxa in this group were published in 2023. Publication: Prakash O, Dodsworth JA, Dong X, Ferry JG, L'Haridon S, Imachi H, Kamagata Y, Rhee SK, Sagar I, Shcherbakova V, et al. Proposed minimal standards for description of methanogenic archaea. Int J Syst Evol Microbiol 2023; 73:5500.
  • 🎰 The BRCs most frequently used for deposits in this group are: NBRC: 4; JCM: 4; DSM: 3; ATCC: 2; OCM: 2; VKM: 1; CGMCC: 1.
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Animal classification RG: 1 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 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.
  • 🧍 Pittman et al. (1991) suggested the abbreviation "MESP" for this genus name but this does not appear to be of practical relevance any longer. Publication: Pittman KF, Walczak CA, Lock CM. Codes and abbreviations for approved of effectively published names of genera of bacteria published from January 1980 to December 1990. Int J Syst Bacteriol 1991; 41:571-579.

Subdivision:

Number of child taxa with a validly published and correct name: 5
Number of child taxa with a validly published name, including synonyms: 5
Total number of child taxa: 6

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Methanospirillum hungatei corrig. Ferry et al. 1974 (Approved Lists 1980)	validly published under the ICNP	correct name
    Methanospirillum hungatii Ferry et al. 1974 (Approved Lists 1980)	inaccurate spelling	misspelling
    Methanospirillum lacunae Iino et al. 2010	validly published under the ICNP	correct name
    Methanospirillum psychrodurum Zhou et al. 2014	validly published under the ICNP	correct name
    Methanospirillum purgamenti Pradel et al. 2025	validly published under the ICNP	correct name
    Methanospirillum stamsii Parshina et al. 2014	validly published under the ICNP	correct name

Parent taxon: Methanospirillaceae Boone et al. 2002

Assigned by: Boone DR, Whitman WB, Koga Y. Family III. Methanospirillaceae fam. nov. In: Boone DR, Castenholz RW, Garrity GM (eds), Bergey's Manual of Systematic Bacteriology, 2nd edn, vol. 1 (The Archaea and the Deeply Branching and Phototrophic Bacteria), Springer, New York, 2001, p. 264-267.

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Record number: 517082