Name: Peptostreptococcaceae Ezaki 2010

Category: Family

Proposed as: fam. nov.

Etymology: Pep.to.strep.to.coc.ca.ce’ae. N.L. masc. n. Peptostreptococcus, type genus of the family; L. fem. pl. n. suff. -aceae, ending to denote a family; N.L. fem. pl. n. Peptostreptococcaceae, family of the genus Peptostreptococcus

Gender: feminine

Type genus: Peptostreptococcus Kluyver and van Niel 1936 (Approved Lists 1980)

Effective publication: Ezaki T. Family VII. Peptostreptococcaceae 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. 1008.

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
    Filifactoraceae Chuvochina et al. 2024	heterotypic synonym, validly published under the ICNP
    Peptoclostridiaceae Bello et al. 2024	heterotypic synonym, validly published under the ICNP

• Emendations:
  • Bello et al. 2024 Bello S, McQuay S, Rudra B, Gupta RS. Robust demarcation of the family Peptostreptococcaceae and its main genera based on phylogenomic studies and taxon-specific molecular markers. Int J Syst Evol Microbiol 2024; 74:6247. Oren A, Göker M. Notification list. Notification that new names and new combinations have appeared in volume 74, part 2 of the IJSEM. Int J Syst Evol Microbiol 2024; 74:6301.
    Notes:
    • ⊕ Emendation accompanied by the inclusion of 10 genera in the family.
    • ⊖ Emendation accompanied by the removal of 3 genera from the family.

• Notes:
  • 🧕 De Vos et al. (2009) assigned this family to the class Clostridia Rainey 2010. Publication: Rainey FA. Class II. Clostridia class 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. 736.
  • 🧕 De Vos et al. (2009) assigned this family to the division Firmicutes corrig. Gibbons and Murray 1978 (Approved Lists 1980). Publication: Ezaki T. Family VII. Peptostreptococcaceae 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. 1008.
  • 🧕 De Vos et al. (2009) assigned this family to the order Clostridiales Prévot 1953 (Approved Lists 1980). Publication: Ezaki T. Family VII. Peptostreptococcaceae 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. 1008.
  • 🧕 De Vos et al. (2009) assigned this family to the phylum "Firmicutes" (Gibbons and Murray 1978) Garrity and Holt 2001. Publication: Ezaki T. Family VII. Peptostreptococcaceae 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. 1008.
  • 🧕 Gerritsen et al. (2014) assigned this family to the order Eubacteriales Buchanan 1917 (Approved Lists 1980). Publication: 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.
  • 🧕 Tindall (2019) assigned this family to the order Eubacteriales Buchanan 1917 (Approved Lists 1980). Publication: Tindall BJ. The names Hungateiclostridium Zhang et al. 2018, Hungateiclostridium thermocellum (Viljoen et al. 1926) Zhang et al. 2018, Hungateiclostridium cellulolyticum (Patel et al. 1980) Zhang et al. 2018, Hungateiclostridium aldrichii (Yang et al. 1990) Zhang et al. 2018, Hungateiclostridium alkalicellulosi (Zhilina et al. 2006) Zhang et al. 2018, Hungateiclostridium clariflavum (Shiratori et al. 2009) Zhang et al. 2018, Hungateiclostridium straminisolvens (Kato et al. 2004) Zhang et al. 2018 and Hungateiclostridium saccincola (Koeck et al. 2016) Zhang et al. 2018 contravene Rule 51b of the International Code of Nomenclature of Prokaryotes and require replacement names in the genus Acetivibrio Patel et al. 1980. Int J Syst Evol Microbiol 2019; 69:3927-3932.
  • 🧒 De Vos et al. (2009) assigned the genus Sporacetigenium Chen et al. 2006 to this family. Publication: Ezaki T. Family VII. Peptostreptococcaceae 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. 1008.
  • 🧒 De Vos et al. (2009) assigned the genus Tepidibacter Slobodkin et al. 2003 to this family. Publication: Ezaki T. Family VII. Peptostreptococcaceae 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. 1008.
  • 🧒 Yilmaz et al. (2014) assigned the genus Anaerosphaera Ueki et al. 2009 to this family. Publication: Yilmaz P, Parfrey LW, Yarza P, Gerken J, Pruesse E, Quast C, Schweer T, Peplies J, Ludwig W, Glöckner FO. The SILVA and “all-species living tree project (LTP)” taxonomic frameworks. Nucleic Acids Research 2014; 42(D1):D643-D648.
  • 🚃 The type genus of this family has alternatively been placed in the family Peptococcaceae Rogosa 1971 (Approved Lists 1980). Publication: Rogosa M. Peptococcaceae, a New Family To Include the Gram-Positive, Anaerobic Cocci of the Genera Peptococcus, Peptostreptococcus, and Ruminococcus. International Journal of Systematic Bacteriology 1971; 21:234-237.
  • 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Peptostreptoccocaceae"; "Peptostrptococcaceae"; "Peptotostretococcaceae".
  • 💁 Taxonomists who have recently focused on this group are the corresponding authors of Ezaki et al. (2001). 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: 55; ATCC: 42; JCM: 37; CCUG: 35; CIP: 20; NCTC: 18; NCIMB: 10; LMG: 10; CCRC: 9; BCRC: 9.

Subdivision:

Number of child taxa with a validly published and correct name: 21
Number of child taxa with a validly published name, including synonyms: 21
Total number of child taxa: 21

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Acetoanaerobium Sleat et al. 1985	validly published under the ICNP	correct name
    Asaccharospora Gerritsen et al. 2014	validly published under the ICNP	correct name
    Clostridioides Lawson et al. 2016	validly published under the ICNP	correct name
    Criibacterium Maheux et al. 2021	validly published under the ICNP	correct name
    Faecalimicrobium Bello et al. 2024	validly published under the ICNP	correct name
    Filifactor Collins et al. 1994	validly published under the ICNP	correct name
    Intestinibacter Gerritsen et al. 2014	validly published under the ICNP	correct name
    Maledivibacter Li et al. 2016	validly published under the ICNP	correct name
    Mediannikoviicoccus Ly et al. 2023	validly published under the ICNP	correct name
    Metaclostridioides Bello et al. 2024	validly published under the ICNP	correct name
    Paeniclostridium Sasi Jyothsna et al. 2016	validly published under the ICNP	correct name
    Paraclostridium Sasi Jyothsna et al. 2016	validly published under the ICNP	correct name
    Paramaledivibacter Li et al. 2016	validly published under the ICNP	correct name
    Peptacetobacter Chen et al. 2020	validly published under the ICNP	correct name
    Peptoanaerobacter Sizova et al. 2016	validly published under the ICNP	correct name
    Peptoclostridium Galperin et al. 2016	validly published under the ICNP	correct name
    Peptostreptococcus Kluyver and van Niel 1936 (Approved Lists 1980)	validly published under the ICNP	correct name
    Proteocatella Pikuta et al. 2009	validly published under the ICNP	correct name
    Romboutsia Gerritsen et al. 2014	validly published under the ICNP	correct name
    Terrisporobacter Gerritsen et al. 2014	validly published under the ICNP	correct name
    Wukongibacter Li et al. 2016	validly published under the ICNP	correct name

Parent taxon: Peptostreptococcales Chuvochina et al. 2024

Assigned by: 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.

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Record number: 1053