Name: Propionibacteriaceae Delwiche 1957 (Approved Lists 1980)

Category: Family

Proposed as: fam. nov.

Etymology: Pro.pi.o.ni.bac.te.ri.a’ce.ae. N.L. neut. n. Propionibacterium, type genus of the family; L. fem. pl. n. suff. -aceae, ending to denote a family; N.L. fem. pl. n. Propionibacteriaceae, the Propionibacterium family

Pronunciation (Latin), gender: pro-pi-o-ni-bak-te-ri-A-ke-a͡e, feminine

Type genus: Propionibacterium Orla-Jensen 1909 (Approved Lists 1980)

Effective publication: Delwiche EA. Family XI. Propionobacteriaceae Delwiche, Fam. Nov. In: Breed RS, Murray EGD, Smith NR (eds), Bergey’s Manual of Determinative Bacteriology, 7th ed., The Williams and Wilkins Co., Baltimore, 1957, p. 569.

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

• Emendations:
  • Rainey et al. 1997 Stackebrandt E, Rainey FA, Ward-Rainey NL. Proposal for a new hierarchic classification system, Actinobacteria classis nov. Int. J. Syst. Bacteriol. 1997; 47:479-491. 🇩🇪 Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 47, part 2 of the IJSB. Int J Syst Bacteriol 1997; 47:917-919.
    Notes:
    • ⊕ Emendation accompanied by the inclusion of 4 genera in the family.
    • ⊖ Emendation accompanied by the removal of 1 genus from the family.
    • 🧍 Complete authorship reads: Rainey, Ward-Rainey and Stackebrandt.
  • Zhi et al. 2009 Zhi XY, Li WJ, Stackebrandt E. An update of the structure and 16S rRNA gene sequence-based definition of higher ranks of the class Actinobacteria, with the proposal of two new suborders and four new families and emended descriptions of the existing higher taxa. Int J Syst Evol Microbiol 2009; 59:589-608. 🇨🇳 Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 59, part 3 of the IJSEM. Int J Syst Evol Microbiol 2009; 59:1259-1261.
    Notes:
    • ⊕ Emendation accompanied by the inclusion of 12 genera in the family.

• Notes:
  • 🧕 Boone et al. (2001) assigned this family to the suborder Propionibacterineae Rainey et al. 1997. Publication: Garrity GM, Holt JG. The Road Map to the Manual. In: Boone DR, Castenholz RW, Garrity GM (eds), Bergey's Manual of Systematic Bacteriology, second edition, vol. 1 (The Archaea and the deeply branching and phototrophic Bacteria), Springer-Verlag, New York, 2001, p. 119-166. 🇺🇸
  • 🧕 Breed et al. (1957) assigned this family to the order Eubacteriales Buchanan 1917 (Approved Lists 1980). Publication: Parker CD. Genus V. Thiobacillus Beijerinck 1904. In: Breed RS, Murray EGD, Smith NR (eds), Bergey's Manual of Determinative Bacteriology, 7th edition, The Williams & Wilkins Co, Baltimore, 1957, p. 83-88.
  • 🧕 Stackebrandt et al. (1997) assigned this family to the suborder Propionibacteriineae corrig. Rainey et al. 1997. Publication: Stackebrandt E, Rainey FA, Ward-Rainey NL. Proposal for a new hierarchic classification system, Actinobacteria classis nov. Int. J. Syst. Bacteriol. 1997; 47:479-491. 🇩🇪
  • 🧕 Zhi et al. (2009) assigned this family to the suborder Propionibacteriineae corrig. Rainey et al. 1997. Publication: Zhi XY, Li WJ, Stackebrandt E. An update of the structure and 16S rRNA gene sequence-based definition of higher ranks of the class Actinobacteria, with the proposal of two new suborders and four new families and emended descriptions of the existing higher taxa. Int J Syst Evol Microbiol 2009; 59:589-608. 🇨🇳
  • 🧒 Breed et al. (1957) assigned the genus "Butyribacterium" Barker and Haas 1944 to this family. Publication: Parker CD. Genus V. Thiobacillus Beijerinck 1904. In: Breed RS, Murray EGD, Smith NR (eds), Bergey's Manual of Determinative Bacteriology, 7th edition, The Williams & Wilkins Co, Baltimore, 1957, p. 83-88.
  • 🧒 Breed et al. (1957) assigned the genus "Zymobacterium" Wachsman and Barker 1954 to this family. Publication: Parker CD. Genus V. Thiobacillus Beijerinck 1904. In: Breed RS, Murray EGD, Smith NR (eds), Bergey's Manual of Determinative Bacteriology, 7th edition, The Williams & Wilkins Co, Baltimore, 1957, p. 83-88.
  • 🧒 Delwiche (1957) assigned the genus "Butyribacterium" Barker and Haas 1944 to this family. Publication: Delwiche EA. Family XI. Propionobacteriaceae Delwiche, Fam. Nov. In: Breed RS, Murray EGD, Smith NR (eds), Bergey’s Manual of Determinative Bacteriology, 7th ed., The Williams and Wilkins Co., Baltimore, 1957, p. 569.
  • 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Propianibacteriaceae"; "Propienibacteriaceae"; "Propiobacteriaceae"; "Proprionibacteriaceae"; "Pvopionibacteriaceae"; "Pvopionibacteviaceae".
  • 💁 Taxonomists who have recently focused on this group are the corresponding authors of Bae et al. (2006), Sugawara et al. (2011). 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 BRCs most frequently used for deposits in this group are: DSM: 109; JCM: 63; KCTC: 34; CCUG: 33; ATCC: 32; CIP: 29; KACC: 28; NBRC: 26; LMG: 22; NCTC: 20.

Subdivision:

Number of child taxa with a validly published and correct name: 26
Number of child taxa with a validly published name, including synonyms: 29
Total number of child taxa: 33

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Acidipropionibacterium Scholz and Kilian 2016	validly published under the ICNP	correct name
    Aestuariimicrobium Jung et al. 2007	validly published under the ICNP	correct name
    Ammonicoccus Yu et al. 2025	validly published under the ICNP	correct name
    Arachnia Pine and Georg 1969 (Approved Lists 1980)	validly published under the ICNP	correct name
    Auraticoccus Alonso-Vega et al. 2011	validly published under the ICNP	correct name
    "Candidatus Avipropionibacterium" Gilroy et al. 2021	not validly published	pro-correct name
    Brevilactibacter Wenning et al. 2020	validly published under the ICNP	synonym
    Brooklawnia Rainey et al. 2006	validly published under the ICNP	correct name
    Carbonicoccus Yan et al. 2026	validly published under the ICNP	correct name
    Cutibacterium Scholz and Kilian 2016	validly published under the ICNP	correct name
    Desertihabitans Sun et al. 2019	validly published under the ICNP	correct name
    Enemella Bernard et al. 2020	validly published under the ICNP	correct name
    Friedmanniella Schumann et al. 1997	validly published under the ICNP	synonym
    Granulicoccus Maszenan et al. 2007	validly published under the ICNP	correct name
    Luteococcus Tamura et al. 1994	validly published under the ICNP	correct name
    Mariniluteicoccus Zhang et al. 2014	validly published under the ICNP	correct name
    Microlunatus Nakamura et al. 1995	validly published under the ICNP	correct name
    Micropruina Shintani et al. 2000	validly published under the ICNP	correct name
    Naumannella Rieser et al. 2012	validly published under the ICNP	correct name
    "Nigeribacterium" Khare et al. 2021	not validly published	preferred name
    [Nigerium]	preliminary entry that lacks crucial information
    Parenemella Bernard et al. 2020	validly published under the ICNP	correct name
    Propionibacterium Orla-Jensen 1909 (Approved Lists 1980)	validly published under the ICNP	correct name
    Propionicicella Bae et al. 2006	validly published under the ICNP	correct name
    Propioniciclava Sugawara et al. 2011	validly published under the ICNP	correct name
    Propionicimonas Akasaka et al. 2003	validly published under the ICNP	correct name
    Propioniferax Yokota et al. 1994	validly published under the ICNP	correct name
    Propionimicrobium Stackebrandt et al. 2002	validly published under the ICNP	correct name
    "Pseudenemella" Ren et al. 2026	not validly published	preferred name
    Pseudopropionibacterium Scholz and Kilian 2016	validly published under the ICNP, illegitimate name	synonym
    Raineyella Pikuta et al. 2016	validly published under the ICNP	correct name
    Tessaracoccus Maszenan et al. 1999	validly published under the ICNP	correct name
    Vaginimicrobium Diop et al. 2020	validly published under the ICNP	correct name

Parent taxon: Propionibacteriales (Rainey et al. 1997) Patrick and McDowell 2015

Assigned by: Patrick S, McDowell A. Order XII. Propionibacteriales ord. nov. In: Goodfellow M, Kämpfer P, H.-J. B, Trujillo ME, K.-I. S, Ludwig W, Whitman WB (eds), Bergey's Manual of Systematic Bacteriology, 2nd edn, vol. 5 (The Actinobacteria), part B, Springer, New York, 2012, p. 1137. 🇬🇧

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Record number: 1114