Genus Lachnospira

Name: Lachnospira Bryant and Small 1956 (Approved Lists 1980)

Category: Genus

Proposed as: gen. nov.

Etymology: Lach.no.spi’ra. Gr. masc. n. lachnos, wool; Gr. fem. n. speîra, a coil; N.L. fem. n. Lachnospira, named for the filamentous or “wooly” colonies formed in agar by curved or helical cells of Lachnospira multipara

Gender, pronunciation: feminine (stem: Lachnospir-), lak^h-no-SPI-ra

Type species: Lachnospira multipara corrig. Bryant and Small 1956 (Approved Lists 1980)

Conduct genome-based taxonomy of genus at TYGS

16S rRNA gene: Analyse FASTA

Effective publication: Bryant MP, Small N. Characteristics of two new genera of anaerobic curved rods isolated from the rumen of cattle. J Bacteriol 1956; 72:22-26.

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

Notes:
- 🥇 Nomenclatural type of the family Lachnospiraceae Rainey 2010. Publication: Rainey FA. Family V. Lachnospiraceae fam. nov. In: De Vos P, Garrity GM, Jones D, Krieg NR, Ludwig W, Rainey FA, K.-H. S, Whitman WB (eds), Bergey's Manual of Systematic Bacteriology, 2nd edn, vol. 3 (The Firmicutes), Springer, New York, 2009, p. 921. 🇧🇪
- 🥇 Nomenclatural type of the order "Lachnospirales" Parks et al. 2018. Publication: Parks DH, Chuvochina M, Waite DW, Rinke C, Skarshewski A, Chaumeil PA, Hugenholtz P. A standardized bacterial taxonomy based on genome phylogeny substantially revises the tree of life. Nat Biotechnol 2018; 36:996-1004. 🇦🇺
- 🥇 Nomenclatural type of the order Lachnospirales Chuvochina et al. 2024. Publication: Chuvochina M, Mussig AJ, Chaumeil PA, Skarshewski A, Rinke C, Parks DH, Hugenholtz P. Proposal of names for 329 higher rank taxa defined in the Genome Taxonomy Database under two prokaryotic codes. FEMS Microbiol Lett 2023; 0:0. 🇦🇺
- 🧕 Chuvochina et al. (2023) assigned this genus to the order Lachnospirales Chuvochina et al. 2024. Publication: Chuvochina M, Mussig AJ, Chaumeil PA, Skarshewski A, Rinke C, Parks DH, Hugenholtz P. Proposal of names for 329 higher rank taxa defined in the Genome Taxonomy Database under two prokaryotic codes. FEMS Microbiol Lett 2023; 0:0. 🇦🇺
- 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Cachnospira"; "Lachnospila"; "Lachnospiru"; "Laehnospira".
- 🎰 The BRCs most frequently used for deposits in this group are: DSM: 6; CGMCC: 5; ATCC: 5; KCTC: 4; LMG: 2.
- 🧍 Pittman et al. (1991) suggested the abbreviation "LCSP" 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: 7
Number of child taxa with a validly published name, including synonyms: 7
Total number of child taxa: 13

Child taxa:

Name	Nomenclatural status	Taxonomic status
Lachnospira acetigenes Huang et al. 2025	validly published under the ICNP	correct name
Lachnospira eligens (Holdeman and Moore 1974) García-López et al. 2020	validly published under the ICNP	correct name
Lachnospira flagellata Huang et al. 2025	validly published under the ICNP	correct name
"Lachnospira hominis" Hitch et al. 2025	not validly published	preferred name
Lachnospira hominis Huang et al. 2025	validly published under the ICNP	correct name
"Lachnospira hominis" Liu et al. 2021	not validly published	preferred name
"Lachnospira intestinalis" Hitch et al. 2025	not validly published	preferred name
"Lachnospira mobilis" Huang et al. 2024	not validly published	preferred name
Lachnospira multipara corrig. Bryant and Small 1956 (Approved Lists 1980)	validly published under the ICNP	correct name
Lachnospira multiparis Bryant and Small 1956 (Approved Lists 1980)	inaccurate spelling	misspelling
Lachnospira pectinoschiza Cornick et al. 1994	validly published under the ICNP	correct name
"Lachnospira rogosae" (Holdeman and Moore 1974) García-López et al. 2019	not validly published	synonym
Lachnospira rogosae Hitch et al. 2025	validly published under the ICNP	correct name

Parent taxon: Lachnospiraceae Rainey 2010

Assigned by: Rainey FA. Family V. Lachnospiraceae fam. nov. In: De Vos P, Garrity GM, Jones D, Krieg NR, Ludwig W, Rainey FA, K.-H. S, Whitman WB (eds), Bergey's Manual of Systematic Bacteriology, 2nd edn, vol. 3 (The Firmicutes), Springer, New York, 2009, p. 921. 🇧🇪

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Record number: 515911

This LPSN page was printed on 2026-01-23 14:41:30

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Genus Lachnospira