Name: Syntrophomonadaceae Zhao et al. 1993

Category: Family

Proposed as: fam. nov.

Etymology: Syn.tro.pho.mo.na.da’ce.ae. N.L. fem. n. Syntrophomonas, type genus of the family; L. fem. pl. n. suff. -aceae, ending to denote a family; N.L. fem. pl. n. Syntrophomonadaceae, the Syntrophomonas family

Pronunciation, gender: syn-tro-p^ho-mo-na-DA-ke-a͡e, feminine

Type genus: Syntrophomonas McInerney et al. 1982

Valid publication: Zhao H, Yang D, Woese CR, Bryant MP. Assignment of fatty acid-beta-oxidizing syntrophic bacteria to Syntrophomonadaceae fam. nov. on the basis of 16S rRNA sequence analyses. Int J Syst Bacteriol 1993; 43:278-286.

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 43, part 2 of the IJSB. Int J Syst Bacteriol 1993; 43:625.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Synonyms:

  • Name	Kind
    Dethiobacteraceae Sorokin and Merkel 2025	heterotypic synonym, validly published under the ICNP

• Emendations:
  • Jumas-Bilak et al. 2009 Jumas-Bilak E, Roudiere L, Marchandin H. Description of 'Synergistetes' phyl. nov. and emended description of the phylum 'Deferribacteres' and of the family Syntrophomonadaceae, phylum 'Firmicutes'. Int J Syst Evol Microbiol 2009; 59:1028-1035. Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 59, part 5 of the IJSEM. Int J Syst Evol Microbiol 2009; 59:1853-1855.
    Notes:
    • ⊕ Emendation accompanied by the inclusion of 3 genera in the family.
    • ⊖ Emendation accompanied by the removal of 4 genera from the family.
  • Zhang et al. 2019 Zhang X, Tu B, Lv XM, Lawson PA, Yang M, Dai LR, Zhang H, Tang YQ, Deng Y, Cheng L. Description of Biomaibacter acetigenes gen. nov., sp. nov., and proposal of Thermosediminibacterales ord. nov. containing two novel families of Tepidanaerobacteraceae fam. nov. and Thermosediminibacteraceae fam. nov. Int J Syst Evol Microbiol 2019; 69:3891-3902. Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 69, part 12 of the IJSEM. Int J Syst Evol Microbiol 2020; 70:1447-1449.
    Notes:
    • ⊖ Emendation accompanied by the removal of 1 genus from the family.
    • 😢 The terminology used by the authors is in line with many other taxonomic studies and does not negatively affect their main results; some improvements may nevertheless be possible. Contrasting the term "chemotaxonomic" with "phenotypic" is not recommended. Using the term "phylogenetic data" (or equivalent) for sequence data is not advocated. See the LPSN phylogeny page for details.

• 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. Class I. Bacilli 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. 19-20.
  • 🧕 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.
  • 🧒 Boone et al. (2001) assigned the genus Thermaerobacter Takai et al. 1999 to this family. 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.
  • 🧒 Boone et al. (2001) assigned the genus Acetogenium Leigh and Wolfe 1983 to this family. 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.
  • 🧒 Boone et al. (2001) assigned the genus Caldicellulosiruptor Rainey et al. 1995 to this family. 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.
  • 🧒 Boone et al. (2001) assigned the genus Aminomonas Baena et al. 1999 to this family. 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.
  • 🧒 Boone et al. (2001) assigned the genus Anaerobaculum Rees et al. 1997 to this family. 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.
  • 🧒 Boone et al. (2001) assigned the genus Dethiosulfovibrio Magot et al. 1997 to this family. 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.
  • 🧒 Boone et al. (2001) assigned the genus Thermanaerovibrio Baena et al. 1999 to this family. 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.
  • 🧒 Jumas-Bilak et al. (2009) assigned the genus Syntrophothermus Sekiguchi et al. 2000 to this family. Publication: Jumas-Bilak E, Roudiere L, Marchandin H. Description of 'Synergistetes' phyl. nov. and emended description of the phylum 'Deferribacteres' and of the family Syntrophomonadaceae, phylum 'Firmicutes'. Int J Syst Evol Microbiol 2009; 59:1028-1035.
  • 🧒 Ogg and Patel (2009) assigned the genus Fervidicola Ogg and Patel 2009 to this family. Publication: Ogg CD, Patel BK. Fervidicola ferrireducens gen. nov., sp. nov., a thermophilic anaerobic bacterium from geothermal waters of the Great Artesian Basin, Australia. Int J Syst Evol Microbiol 2009; 59:1100-1107.
  • 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Syntromonadaceae"; "Syntrophomonada"; "Syntrophomonadaceue"; "Syntrophomonoadaceae"; "Syntrophomonuduceue".
  • 🎰 The BRCs most frequently used for deposits in this group are: DSM: 20; UNIQEM: 6; CGMCC: 4; VKM: 4; ATCC: 4; JCM: 4; NBRC: 1.

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: 13

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Anaerobranca Engle et al. 1995	validly published under the ICNP	correct name
    "Candidatus Contubernalis" Zhilina et al. 2005	not validly published	pro-correct name
    Dethiobacter Sorokin et al. 2008	validly published under the ICNP	correct name
    "Natronoanaerobium" Humayoun et al. 2003	not validly published	preferred name
    Pelospora Matthies et al. 2000	validly published under the ICNP	correct name
    "Candidatus Syntrophocurvum" Sorokin et al. 2016	not validly published	pro-correct name
    "Candidatus Syntrophofaba" Sorokin et al. 2016	not validly published	pro-correct name
    Syntrophomonas McInerney et al. 1982	validly published under the ICNP	correct name
    "Candidatus Syntrophonatronum" Sorokin et al. 2014	not validly published	pro-correct name
    Syntrophospora Zhao et al. 1990	validly published under the ICNP	correct name
    Thermohydrogenium Zacharova et al. 1996	validly published under the ICNP	correct name
    Thermosyntropha Svetlitshnyi et al. 1996	validly published under the ICNP	correct name
    "Candidatus Thermosyntrophomonas" Cheng et al. 2025	not validly published	preferred name

Parent taxon: Syntrophomonadales 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: 1382