Name: Fusobacteriaceae Staley and Whitman 2012

Category: Family

Proposed as: fam. nov.

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

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

Type genus: Fusobacterium Knorr 1922 (Approved Lists 1980)

Effective publication: Staley JT, Whitman WB. Family I. Fusobacteriaceae fam. nov. In: Krieg NR, Staley JT, Brown DR, Hedlund BP, Paster BJ, Ward NL, Ludwig W, Whitman WB (eds), Bergey's Manual of Systematic Bacteriology, 2nd edn, vol. 4, Springer, New York, 2010, p. 748. 🇺🇸

IJSEM list: Euzeby JP. Validation list no. 143. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2012; 62:1-4.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Synonyms:

  • Name	Kind
    "Spherophoraceae" Prévot 1938	heterotypic synonym, not validly published

• Emendations:
  • Gupta and Sethi 2014 Gupta RS, Sethi M. Phylogeny and molecular signatures for the phylum Fusobacteria and its distinct subclades. Anaerobe 2014; 28:182-198. 🇨🇦 Oren A, Garrity GM. List of changes in taxonomic opinion no. 30. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2019; 69:1850-1851.
    Notes:
    • ⊕ Emendation accompanied by the inclusion of 3 genera in the family.
    • ⊖ Emendation accompanied by the removal of 2 genera from the family.

• Notes:
  • 🚃 The type genus of this family has alternatively been placed in the family Bacteroidaceae Pribram 1933 (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.
  • 🚋 The type genus of this family has alternatively been placed in the family Lachnospiraceae Rainey 2010. Publication: Fatahi-Bafghi M. Genomic and phylogenomic analysis of Fusobacteriaceae family and proposal to reclassify Fusobacterium naviforme Jungano 1909 into a novel genus as Zandiella naviformis gen. nov., comb. nov. and reclassification of Fusobacterium necrophorum subsp. funduliforme as later heterotypic synonym of Fusobacterium necrophorum subsp. necrophorum and Fusobacterium equinum as later heterotypic synonym of Fusobacterium gonidiaformans. Antonie Van Leeuwenhoek 2024; 117:34. 🇮🇷
  • 💁 Taxonomists who have recently focused on this group are the corresponding authors of Stieb and Schink (1984). 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: ATCC: 34; DSM: 34; CCUG: 25; JCM: 15; NCTC: 12; CIP: 5; LMG: 4; KCTC: 4; NCIMB: 3; MCCC: 1.
  • 🧍 In Validation List No. 143, the year of publication of Bergey’s Manual of Systematic Bacteriology, 2nd edn, vol. 4 was erroneously cited as 2010. The correct year of publication should be 2011. Publication: . Erratum. Int. J. Syst. Evol. Microbiol. 2012; 62:1016. 🇩🇪

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: 7

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Cetobacterium Foster et al. 1996	validly published under the ICNP	correct name
    Fusobacterium Knorr 1922 (Approved Lists 1980)	validly published under the ICNP	correct name
    Hypnocyclicus Roalkvam et al. 2015	validly published under the ICNP	correct name
    Ilyobacter Stieb and Schink 1985	validly published under the ICNP	correct name
    Piscibacter Takeuchi and Sugahara 2025	validly published under the ICNP	correct name
    Propionigenium Schink and Pfennig 1983	validly published under the ICNP	correct name
    Psychrilyobacter Zhao et al. 2009	validly published under the ICNP	correct name

Parent taxon: Fusobacteriales Staley and Whitman 2012

Assigned by: Staley JT, Whitman WB. Order I. Fusobacteriales ord. nov. In: Krieg NR, Staley JT, Brown DR, Hedlund BP, Paster BJ, Ward NL, Ludwig W, Whitman WB (eds), Bergey's Manual of Systematic Bacteriology, 2nd edn, vol. 4, Springer, New York, 2010, p. 747. 🇺🇸

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Record number: 545