Name: Lachnospiraceae Rainey 2010

Category: Family

Proposed as: fam. nov.

Etymology: N.L. fem. n. Lachnospira, type genus of the family; L. fem. pl. n. suff. -aceae, ending to denote a family; N.L. fem. pl. n. Lachnospiraceae, family of the genus Lachnospira

Gender: feminine

Type genus: Lachnospira Bryant and Small 1956 (Approved Lists 1980)

Effective 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.

IJSEM list: Euzeby JP. Validation list no. 132. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2010; 60:469-472.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Synonyms:

  • Name	Kind
    Cellulosilyticaceae Dong and Zhou 2023	heterotypic synonym, validly published under the ICNP
    Natranaerovirgaceae Sorokin and Merkel 2024	heterotypic synonym, validly published under the ICNP
    "Anaerotignaceae" Gilroy et al. 2021	heterotypic synonym, not validly published
    Anaerotignaceae Chuvochina et al. 2024	heterotypic synonym, validly published under the ICNP

• Notes:
  • 🧕 Chuvochina et al. (2023) assigned this family 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.
  • 🧕 De Vos et al. (2009) assigned this family to the order Clostridiales Prévot 1953 (Approved Lists 1980). 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.
  • 🧒 Heng and Kittelmann (2024) assigned the genus Hungatella Kaur et al. 2014 to this family. Publication: Heng YC, Kittelmann S. Proposal for reclassification of the species Hungatella xylanolytica as Lacrimispora xylanisolvens nom. nov. and transfer of the genus Hungatella to the family Lachnospiraceae. Int J Syst Evol Microbiol 2024; 74:6417.
  • 🧒 Lakhal et al. (2013) assigned the genus Vallitalea Lakhal et al. 2013 to this family. Publication: Lakhal R, Pradel N, Postec A, Hamdi M, Ollivier B, Godfroy A, Fardeau ML. Vallitalea guaymasensis gen. nov., sp. nov., isolated from marine sediment. Int J Syst Evol Microbiol 2013; 63:3019-3023.
  • 🧒 Sannino et al. (2023) assigned the genus "Candidatus Epulopiscium" Montgomery and Pollak 1988 to this family. Publication: Sannino DR, Arroyo FA, Pepe-Ranney C, Chen W, Volland JM, Elisabeth NH, Angert ER. The exceptional form and function of the giant bacterium Ca. Epulopiscium viviparus revolves around its sodium motive force. Proc Natl Acad Sci U S A 2023; 120:e2306160120.
  • 🧒 Schouw et al. (2016) assigned the genus Abyssivirga Schouw et al. 2016 to this family. Publication: Schouw A, Leiknes Eide T, Stokke R, Birger Pedersen R, Helene Steen I, Bodtker G. Abyssivirga alkaniphila gen. nov., sp. nov., an alkane-degrading, anaerobic bacterium from a deep-sea hydrothermal vent system, and emended descriptions of Natranaerovirga pectinivora and Natranaerovirga hydrolytica. Int J Syst Evol Microbiol 2016; 66:1724-1734.
  • 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Achnospiraceae"; "Lachanospiraceae"; "Lachbospiraceae"; "Lachhnospiraceae"; "Lachnopiraceae"; "Lachnosporaceae"; "Lachnospriaceae"; "Lacnospiraceae"; "Lahcnospiraceae"; "Lanchnospiraceae"; "Lanchospiraceae".
  • 💁 Taxonomists who have recently focused on this group are the corresponding authors of Seo et al. (2017), Carlier et al. (2007), Togo et al. (2018), Ueki et al. (2023), Cotta et al. (2009). Editors in search of reviewers are advised to consider additional criteria such as whether a taxon is covered by one of the ICSP subcommittees.
  • 🧬 The phylogenomic assignment score of this taxon is -0.02508 (N = 2).
  • 🎰 The BRCs most frequently used for deposits in this group are: DSM: 199; JCM: 105; ATCC: 67; KCTC: 60; CGMCC: 49; CCUG: 39; NCIMB: 16; NBRC: 10; CIP: 8; NCTC: 7.

Subdivision:

Number of child taxa with a validly published and correct name: 94
Number of child taxa with a validly published name, including synonyms: 98
Total number of child taxa: 167

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    "Acetanaerobacter" Zou et al. 2021	not validly published	synonym (and no standing)
    Acetatifactor Pfeiffer et al. 2013	validly published under the ICNP	correct name
    Acetitomaculum Greening and Leedle 1995	validly published under the ICNP	correct name
    "Africanella" Alou et al. 2016	not validly published	preferred name (not correct name)
    Agathobacter Rosero et al. 2016	validly published under the ICNP	correct name
    "Candidatus Alectryocaccobium" Gilroy et al. 2021	not validly published	pro-correct name
    Alitiscatomonas Hitch et al. 2022	validly published under the ICNP	correct name
    Anaerobium Patil et al. 2015	validly published under the ICNP	correct name
    Anaerobutyricum Shetty et al. 2018	validly published under the ICNP	correct name
    Anaerocolumna Ueki et al. 2016	validly published under the ICNP	correct name
    Anaerolentibacter Yan et al. 2024	validly published under the ICNP	correct name
    Anaeromicropila Ueki et al. 2023	validly published under the ICNP	correct name
    Anaeropeptidivorans Köller et al. 2022	validly published under the ICNP	correct name
    Anaerosacchariphilus Kim et al. 2019	validly published under the ICNP	correct name
    Anaerostipes Schwiertz et al. 2002	validly published under the ICNP	correct name
    Anaerotaenia Ueki et al. 2016	validly published under the ICNP	correct name
    Anaerotignum Ueki et al. 2017	validly published under the ICNP	correct name
    Anthropogastromicrobium Hitch et al. 2022	validly published under the ICNP	correct name
    "Candidatus Avilachnospira" Gilroy et al. 2021	not validly published	pro-correct name
    Bilifractor Wylensek et al. 2021	validly published under the ICNP	correct name
    Blautia Liu et al. 2008	validly published under the ICNP	correct name
    Bovifimicola Hitch et al. 2025	validly published under the ICNP	correct name
    Brotaphodocola Afrizal et al. 2023	validly published under the ICNP	correct name
    Brotolimicola Hitch et al. 2022	validly published under the ICNP	synonym
    Brotonthovivens Hitch et al. 2022	validly published under the ICNP	correct name
    Bryantella Wolin et al. 2004	validly published under the ICNP, illegitimate name	synonym
    Butyribacter Zou et al. 2021	validly published under the ICNP	correct name
    Butyrivibrio Bryant and Small 1956 (Approved Lists 1980)	validly published under the ICNP	correct name
    "Candidatus Caccomorpha" Gilroy et al. 2021	not validly published	pro-correct name
    "Candidatus Caccovicinus" Gilroy et al. 2021	not validly published	pro-correct name
    Catenibacillus Braune and Blaut 2018	validly published under the ICNP	correct name
    Catonella Moore and Moore 1994	validly published under the ICNP	correct name
    Cellulosilyticum Cai and Dong 2010	validly published under the ICNP	correct name
    Chakrabartyella Pardesi et al. 2023	validly published under the ICNP	correct name
    "Candidatus Choladocola" Gilroy et al. 2021	not validly published	pro-correct name
    "Candidatus Choladousia" Gilroy et al. 2021	not validly published	pro-correct name
    Chordicoccus Gaffney et al. 2023	validly published under the ICNP	correct name
    Claveliimonas Hisatomi et al. 2023	validly published under the ICNP	correct name
    "Candidatus Colinaster" Gilroy et al. 2022	not validly published	preferred name (not pro-correct name)
    Coprococcus Holdeman and Moore 1974 (Approved Lists 1980)	validly published under the ICNP	correct name
    "Candidatus Coprocola" Gilroy et al. 2021	not validly published	pro-correct name
    "Candidatus Copromonas" Gilroy et al. 2021	not validly published	pro-correct name
    "Candidatus Coralgsqia" Gong et al. 2023	not validly published	preferred name (not pro-correct name)
    "Candidatus Cottocaccomicrobium" Gilroy et al. 2021	not validly published	pro-correct name
    Cuneatibacter Lagkouvardos et al. 2016	validly published under the ICNP	correct name
    "Candidatus Darwinimonas" Gilroy et al. 2022	not validly published	preferred name (not pro-correct name)
    Diplocloster Chaplin et al. 2022	validly published under the ICNP	correct name
    Dorea Taras et al. 2002	validly published under the ICNP	correct name
    "Candidatus Egerieimonas" Gilroy et al. 2021	not validly published	pro-correct name
    Eisenbergiella Amir et al. 2014	validly published under the ICNP	correct name
    Enterocloster Haas and Blanchard 2020	validly published under the ICNP	correct name
    "Candidatus Epulonipiscioides" corrig. Ngugi et al. 2017	not validly published	pro-correct name
    "Candidatus Epulonipiscium" corrig. Montgomery and Pollak 1988	not validly published	pro-correct name
    "Candidatus Epulopisciides" Ngugi et al. 2017	inaccurate spelling	misspelling
    "Candidatus Epulopiscium" Montgomery and Pollak 1988	inaccurate spelling	misspelling
    "Candidatus Equihabitans" Gilroy et al. 2022	not validly published	preferred name (not pro-correct name)
    Eshraghiella Fatahi-Bafghi 2024	validly published under the ICNP	correct name
    Extibacter Lagkouvardos et al. 2017	validly published under the ICNP	correct name
    Faecalicatena Sakamoto et al. 2017	validly published under the ICNP	correct name
    Faecalimonas Sakamoto et al. 2017	validly published under the ICNP	correct name
    Falcatimonas Watanabe et al. 2016	validly published under the ICNP	correct name
    "Candidatus Fimicola" Gilroy et al. 2021	not validly published	pro-correct name
    "Candidatus Fimimorpha" Gilroy et al. 2021	not validly published	pro-correct name
    "Candidatus Fimousia" Gilroy et al. 2021	not validly published	pro-correct name
    Frisingicoccus Lagkouvardos et al. 2016	validly published under the ICNP	correct name
    Fusibacillus Bai et al. 2024	validly published under the ICNP	correct name
    Fusicatenibacter Takada et al. 2013	validly published under the ICNP	correct name
    "Fusimonas" Kusada et al. 2017	not validly published	preferred name (not correct name)
    "Candidatus Galacturonatibacter" corrig. Valk et al. 2018	not validly published	pro-correct name
    "Candidatus Galacturonibacter" Valk et al. 2018	inaccurate spelling	misspelling
    Gallintestinimicrobium Hitch et al. 2022	validly published under the ICNP	correct name
    "Glucerabacter" Kawata et al. 2018	not validly published	synonym (and no standing)
    "Gluceribacter" Kawata et al. 2021	not validly published	preferred name (not correct name)
    Herbinix Koeck et al. 2015	validly published under the ICNP	correct name
    Hespellia Whitehead et al. 2004	validly published under the ICNP	correct name
    "Candidatus Hippenecus" Gilroy et al. 2022	not validly published	preferred name (not pro-correct name)
    Holtiella Allen-Vercoe et al. 2023	validly published under the ICNP	correct name
    Hominifimenecus Afrizal et al. 2023	validly published under the ICNP	correct name
    Hominisplanchenecus Afrizal et al. 2023	validly published under the ICNP	correct name
    Hoministercoradaptatus Hitch et al. 2022	validly published under the ICNP	correct name
    Hominiventricola Afrizal et al. 2023	validly published under the ICNP	correct name
    Howardella Cook et al. 2007	validly published under the ICNP	correct name
    "Jingyaoa" Liu et al. 2021	not validly published	preferred name (not correct name)
    Johnsonella Moore and Moore 1994	validly published under the ICNP	correct name
    Jutongia Liu et al. 2022	validly published under the ICNP	correct name
    Kineothrix Haas and Blanchard 2017	validly published under the ICNP	correct name
    "Konateibacter" Sarr et al. 2022	not validly published	preferred name (not correct name)
    Lachnoanaerobaculum Hedberg et al. 2012	validly published under the ICNP	correct name
    Lachnobacterium Whitford et al. 2001	validly published under the ICNP	correct name
    "Lachnoclostridium" Yutin and Galperin 2013	not validly published	synonym (and no standing)
    "Candidatus Lachnocurva" Holm et al. 2020	not validly published	pro-correct name
    Lachnospira Bryant and Small 1956 (Approved Lists 1980)	validly published under the ICNP	correct name
    Lachnotalea Jarzembowska et al. 2016	validly published under the ICNP	correct name
    Lacrimispora Haas and Blanchard 2020	validly published under the ICNP	correct name
    Laedolimicola Hitch et al. 2022	validly published under the ICNP	correct name
    Lientehia Abdugheni et al. 2023	validly published under the ICNP	correct name
    "Candidatus Limivivens" Gilroy et al. 2021	not validly published	pro-correct name
    "Luxibacter" Naud et al. 2021	not validly published	preferred name (not correct name)
    Marvinbryantia Wolin et al. 2008	validly published under the ICNP	correct name
    Mediterraneibacter Togo et al. 2019	validly published under the ICNP	correct name
    "Candidatus Merdenecus" Gilroy et al. 2021	not validly published	pro-correct name
    Merdimonas Seo et al. 2017	validly published under the ICNP	correct name
    "Candidatus Merdinaster" Gilroy et al. 2022	not validly published	preferred name (not pro-correct name)
    "Candidatus Merdiplasma" Gilroy et al. 2021	not validly published	pro-correct name
    "Candidatus Merdisoma" Gilroy et al. 2021	not validly published	pro-correct name
    "Candidatus Minthocola" Gilroy et al. 2022	not validly published	preferred name (not pro-correct name)
    Mobilisporobacter Mbengue et al. 2016	validly published under the ICNP	correct name
    Mobilitalea Podosokorskaya et al. 2014	validly published under the ICNP	correct name
    "Mordavella" Ndongo et al. 2017	not validly published	preferred name (not correct name)
    Moryella Carlier et al. 2007	validly published under the ICNP	correct name
    Muricomes Lagkouvardos et al. 2016	validly published under the ICNP	correct name
    Muricoprocola Hitch et al. 2022	validly published under the ICNP	correct name
    Murimonas Kläring et al. 2015	validly published under the ICNP	correct name
    "Naizhengia" Huang et al. 2024	not validly published	preferred name (not correct name)
    Natranaerovirga Sorokin et al. 2012	validly published under the ICNP	correct name
    "Candidatus Neoanaerotignum" Glendinning et al. 2021	not validly published	pro-correct name
    "Niameybacter" Tidjani Alou et al. 2017	not validly published	preferred name (not correct name)
    Novisyntrophococcus Chai et al. 2021	validly published under the ICNP	correct name
    Oliverpabstia Wylensek et al. 2021	validly published under the ICNP	correct name
    "Candidatus Onthocola" Gilroy et al. 2021	not validly published	pro-correct name
    Oribacterium Carlier et al. 2004	validly published under the ICNP	correct name
    Otoolea Afrizal et al. 2023	validly published under the ICNP	correct name
    "Candidatus Paralachnospira" Glendinning et al. 2021	not validly published	pro-correct name
    Pararoseburia Abdugheni et al. 2022	validly published under the ICNP	correct name
    Parasporobacterium Lomans et al. 2004	validly published under the ICNP	correct name
    "Candidatus Parepulonipiscium" corrig. Ngugi et al. 2017	not validly published	pro-correct name
    "Candidatus Parepulopiscium" Ngugi et al. 2017	inaccurate spelling	misspelling
    "Candidatus Pelethocola" Gilroy et al. 2021	not validly published	pro-correct name
    "Petralouisia" Afrizal et al. 2022	not validly published	preferred name (not correct name)
    Porcincola Wylensek et al. 2021	validly published under the ICNP	correct name
    Pseudobutyrivibrio van Gylswyk et al. 1996	validly published under the ICNP	correct name
    "Candidatus Pseudolachnospira" Glendinning et al. 2021	not validly published	pro-correct name
    "Candidatus Pullilachnospira" Gilroy et al. 2021	not validly published	pro-correct name
    "Qiania" Liu et al. 2021	not validly published	preferred name (not correct name)
    Robinsoniella Cotta et al. 2009	validly published under the ICNP	correct name
    Roseburia Stanton and Savage 1983	validly published under the ICNP	correct name
    "Sanxizhangella" Huang et al. 2024	not validly published	preferred name (not correct name)
    "Candidatus Scatomonas" Gilroy et al. 2021	not validly published	pro-correct name
    Schaedlerella Soh et al. 2019	validly published under the ICNP	correct name
    "Candidatus Scybalocola" Gilroy et al. 2021	not validly published	pro-correct name
    "Candidatus Scybalomonas" Gilroy et al. 2021	not validly published	pro-correct name
    Sellimonas Seo et al. 2016	validly published under the ICNP	correct name
    Shuttleworthella Deshmukh and Oren 2024	validly published under the ICNP	correct name
    Shuttleworthia Downes et al. 2002	validly published under the ICNP, illegitimate name	synonym
    "Simiaoa" Liu et al. 2021	not validly published	preferred name (not correct name)
    "Sporanaerobium" Hivarkar et al. 2023	not validly published	preferred name (not correct name)
    Sporobacterium Mechichi et al. 1999	validly published under the ICNP	correct name
    Sporofaciens Rasmussen et al. 2021	validly published under the ICNP	correct name
    Stomatobaculum Sizova et al. 2013	validly published under the ICNP	correct name
    Suilimivivens Hitch et al. 2022	validly published under the ICNP	correct name
    Suipraeoptans corrig. Wylensek et al. 2021	validly published under the ICNP	correct name
    Suipraoptans Wylensek et al. 2021	inaccurate spelling	misspelling
    Suonthocola Hitch et al. 2022	validly published under the ICNP	synonym
    Syntrophococcus Krumholz and Bryant 1986	validly published under the ICNP	correct name
    "Tyzzerella" Yutin and Galperin 2013	not validly published	synonym (and no standing)
    Variimorphobacter Rettenmaier et al. 2021	validly published under the ICNP	correct name
    Velocimicrobium Wylensek et al. 2021	validly published under the ICNP	correct name
    "Candidatus Ventrimonas" Gilroy et al. 2021	not validly published	pro-correct name
    "Candidatus Ventrisoma" Gilroy et al. 2021	not validly published	pro-correct name
    Waltera Wylensek et al. 2021	validly published under the ICNP	correct name
    "Wansuia" Liu et al. 2021	not validly published	preferred name (not correct name)
    "Candidatus Weimeria" Scarborough et al. 2020	not validly published	pro-correct name
    "Wujia" Liu et al. 2021	not validly published	preferred name (not correct name)
    "Yonghella" Huang et al. 2024	not validly published	preferred name (not correct name)
    "Zandiella" Fatahi-Bafghi 2024	not validly published	synonym (and no standing)
    Zhenhengia Liu et al. 2022	validly published under the ICNP	correct name
    "Zymobacterium" Wachsman and Barker 1954	not validly published	synonym (and no standing)

Parent taxon: Eubacteriales Buchanan 1917 (Approved Lists 1980)

Assigned by: Gerritsen J, Fuentes S, Grievink W, van Niftrik L, Tindall BJ, Timmerman HM, Rijkers GT, Smidt H. Characterization of Romboutsia ilealis gen. nov., sp. nov., isolated from the gastro-intestinal tract of a rat, and proposal for the reclassification of five closely related members of the genus Clostridium into the genera Romboutsia gen. nov., Intestinibacter gen. nov., Terrisporobacter gen. nov. and Asaccharospora gen. nov. Int J Syst Evol Microbiol 2014; 64:1600-1616.

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Record number: 726