Name: Eubacteriaceae Ludwig et al. 2010

Category: Family

Proposed as: fam. nov.

Etymology: Eu.bac.te.ri.a’ce.ae. N.L. neut. n. Eubacterium, type genus of the family; L. fem. pl. n. suff. -aceae, ending to denote a family; N.L. fem. pl. n. Eubacteriaceae, family of the genus Eubacterium

Pronunciation (Latin), gender: e͡u-bak-te-ri-A-ke-a͡e, feminine

Type genus: Eubacterium Prévot 1938 (Approved Lists 1980)

Effective publication: Ludwig W, Schleifer K-H, Whitman WB. Family II. Eubacteriaceae 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. 865. 🇧🇪

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
    Garciellaceae Chuvochina et al. 2024	heterotypic synonym, validly published under the ICNP
    Anaerofustaceae Chuvochina et al. 2024	heterotypic synonym, validly published under the ICNP
    Alkalibacteraceae Chuvochina et al. 2024	heterotypic synonym, validly published under the ICNP

• Notes:
  • 🧕 De Vos et al. (2009) assigned this family to the order Clostridiales Prévot 1953 (Approved Lists 1980). Publication: Ludwig W, Schleifer K-H, Whitman WB. Family II. Eubacteriaceae 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. 865. 🇧🇪
  • 🧒 Ludwig et al. (2021) assigned the genus Anaerobium Patil et al. 2015 to this family. Publication: Ludwig W, Viver T, Westram R, Francisco Gago J, Bustos-Caparros E, Knittel K, Amann R, Rossello-Mora R. Release LTP_12_2020, featuring a new ARB alignment and improved 16S rRNA tree for prokaryotic type strains. Syst Appl Microbiol 2021; 44:126218. 🇪🇸
  • 🧒 Ueki et al. (2015) assigned the genus Aminicella corrig. Ueki et al. 2015 to this family. Publication: Ueki A, Shibuya T, Kaku N, Ueki K. Aminocella lysinolytica gen. nov., sp. nov., a L-lysine-degrading, strictly anaerobic bacterium in the class Clostridia isolated from a methanogenic reactor of cattle farms. Arch Microbiol 2015; 197:97-104. 🇯🇵
  • 🚃 The type genus of this family has alternatively been placed in the family "Lactobacteriaceae" Orla-Jensen 1921. Publication: Barker HA, Haas V. Butyribacterium, a New Genus of Gram-positive, Non-sporulating Anaerobic Bacteria of Intestinal Origin. J Bacteriol 1944; 47:301-305.
  • 🚃 The type genus of this family has alternatively been placed in the family "Bacteriaceae". Publication: Prévot AR. Manuel de Classification et de Détermination des Bactéries Anaérobies, 1st ed. Masson, Paris, 1940.
  • 🚃 The type genus of this family has alternatively been placed in the family "Bacteriaceae". Publication: Prevot AR. Études de systématique bactérienne. Annales de l'Institut Pasteur (Paris) 1938; 60:285-230.
  • 🎰 The BRCs most frequently used for deposits in this group are: DSM: 68; ATCC: 67; JCM: 36; CCUG: 16; CIP: 15; KCTC: 11; CGMCC: 10; NCTC: 5; NCIMB: 4; VKM: 4.

Subdivision:

Number of child taxa with a validly published and correct name: 11
Number of child taxa with a validly published name, including synonyms: 11
Total number of child taxa: 16

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Acetobacterium Balch et al. 1977 (Approved Lists 1980)	validly published under the ICNP	correct name
    Alkalibacter Garnova et al. 2005	validly published under the ICNP	correct name
    Alkalibaculum Allen et al. 2010	validly published under the ICNP	correct name
    Anaerofustis Finegold et al. 2004	validly published under the ICNP	correct name
    Eubacterium Prévot 1938 (Approved Lists 1980)	validly published under the ICNP	correct name
    Gallibacter Zenner et al. 2021	validly published under the ICNP	correct name
    "Garciaella" Lavania et al. 2012	not validly published	preferred name
    Garciella Miranda-Tello et al. 2003	validly published under the ICNP	correct name
    "Haloacetibacter" Diender et al. 2026	not validly published	preferred name
    "Intestinibacillus" Ricaboni et al. 2017	not validly published	preferred name
    Irregularibacter Lagkouvardos et al. 2016	validly published under the ICNP	correct name
    "Paralentihominibacter" Huang et al. 2024	not validly published	preferred name
    Pseudoramibacter Willems and Collins 1996	validly published under the ICNP	correct name
    Rhabdanaerobium Liu et al. 2017	validly published under the ICNP	correct name
    Senimuribacter Afrizal et al. 2025	validly published under the ICNP	correct name
    "Zhongjingia" Huang et al. 2024	not validly published	preferred name

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: 497