Name: Comamonadaceae Willems et al. 1991

Category: Family

Proposed as: fam. nov.

Etymology: Co.ma.mo.na.da’ce.ae. N.L. fem. n. Comamonas, type genus of the family [probably better: Comimonas]; L. fem. pl. n. suff. -aceae, ending to denote a family; N.L. fem. pl. n. Comamonadaceae, the Comamonas family

Pronunciation (Latin), gender: ko-ma-mo-na-DA-ke-a͡e, feminine

Type genus: Comamonas (ex Davis and Park 1962) De Vos et al. 1985

Valid publication: Willems A, De Ley J, Gillis M, Kersters K. Comamonadaceae, a new family encompassing the acidovorans rRNA complex, including Variovorax paradoxus gen. nov., comb. nov., for Alcaligenes paradoxus (Davis 1969). Int. J. Syst. Bacteriol. 1991; 41:445-450. 🇧🇪

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 41, part 2 of the IJSB. Int J Syst Bacteriol 1991; 41:581.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Notes:
  • 🧒 Brenner et al. (2005) assigned the genus Aquabacterium Kalmbach et al. 1999 to this family. Publication: Garrity GM, Bell JA, Lilburn T. Class I. Alphaproteobacteria class. nov. In: Brenner DJ, Krieg NR, Staley JT, Garrity GM (eds), Bergey's Manual of Systematic Bacteriology, 2nd edn, vol. 2 (The Proteobacteria), part C (The Alpha-, Beta-, Delta-, and Epsilonproteobacteria), Springer, New York, 2005, p. 1. 🇺🇸
  • 🧒 Brenner et al. (2005) assigned the genus Ideonella Malmqvist et al. 1994 to this family. Publication: Garrity GM, Bell JA, Lilburn T. Class I. Alphaproteobacteria class. nov. In: Brenner DJ, Krieg NR, Staley JT, Garrity GM (eds), Bergey's Manual of Systematic Bacteriology, 2nd edn, vol. 2 (The Proteobacteria), part C (The Alpha-, Beta-, Delta-, and Epsilonproteobacteria), Springer, New York, 2005, p. 1. 🇺🇸
  • 🧒 Brenner et al. (2005) assigned the genus Leptothrix Kützing 1843 (Approved Lists 1980) to this family. Publication: Garrity GM, Bell JA, Lilburn T. Class I. Alphaproteobacteria class. nov. In: Brenner DJ, Krieg NR, Staley JT, Garrity GM (eds), Bergey's Manual of Systematic Bacteriology, 2nd edn, vol. 2 (The Proteobacteria), part C (The Alpha-, Beta-, Delta-, and Epsilonproteobacteria), Springer, New York, 2005, p. 1. 🇺🇸
  • 🧒 Brenner et al. (2005) assigned the genus Rubrivivax Willems et al. 1991 to this family. Publication: Garrity GM, Bell JA, Lilburn T. Class I. Alphaproteobacteria class. nov. In: Brenner DJ, Krieg NR, Staley JT, Garrity GM (eds), Bergey's Manual of Systematic Bacteriology, 2nd edn, vol. 2 (The Proteobacteria), part C (The Alpha-, Beta-, Delta-, and Epsilonproteobacteria), Springer, New York, 2005, p. 1. 🇺🇸
  • 🧒 Brenner et al. (2005) assigned the genus Sphaerotilus Kützing 1833 (Approved Lists 1980) to this family. Publication: Garrity GM, Bell JA, Lilburn T. Class I. Alphaproteobacteria class. nov. In: Brenner DJ, Krieg NR, Staley JT, Garrity GM (eds), Bergey's Manual of Systematic Bacteriology, 2nd edn, vol. 2 (The Proteobacteria), part C (The Alpha-, Beta-, Delta-, and Epsilonproteobacteria), Springer, New York, 2005, p. 1. 🇺🇸
  • 🧒 Ding et al. (2019) assigned the genus Calidifontimicrobium Ding et al. 2019 to this family. Publication: Ding YP, Khan IU, Li MM, Xian WD, Liu L, Zhou EM, Salam N, Li WJ. Calidifontimicrobium sediminis gen. nov., sp. nov., a new member of the family Comamonadaceae. Int J Syst Evol Microbiol 2019; 69:434-440. 🇨🇳
  • 🧒 Gomila et al. (2010) assigned the genus Kinneretia Gomila et al. 2010 to this family. Publication: Gomila M, Pinhassi J, Falsen E, Moore ER, Lalucat J. Kinneretia asaccharophila gen. nov., sp. nov., isolated from a freshwater lake, a member of the Rubrivivax branch of the family Comamonadaceae. Int J Syst Evol Microbiol 2010; 60:809-814. 🇪🇸
  • 🧒 Ludwig et al. (2021) assigned the genus "Verminefrobacter" 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. 🇪🇸
  • 🧒 Mieszkin et al. (2023) assigned the genus Scleromatobacter Mieszkin et al. 2023 to this family. Publication: Mieszkin S, Trouche B, Ancousture J, Raouf Y, Uroz S, Alain K. Scleromatobacter humisilvae gen. nov., sp. nov., a novel bacterium isolated from oak forest soil. Int J Syst Evol Microbiol 2023; 73:5793. 🇫🇷
  • 🧒 Pheng et al. (2017) assigned the genus Paucibacter Rapala et al. 2005 to this family. Publication: Pheng S, Lee JJ, Eom MK, Lee KH, Kim SG. Paucibacter oligotrophus sp. nov., isolated from fresh water, and emended description of the genus Paucibacter. Int J Syst Evol Microbiol 2017; 67:2231-2235. 🇰🇷
  • 🧒 Suyama et al. (1999) assigned the genus Roseateles Suyama et al. 1999 to this family. Publication: Suyama T, Shigematsu T, Takaichi S, Nodasaka Y, Fujikawa S, Hosoya H, Tokiwa Y, Kanagawa T, Hanada S. Roseateles depolymerans gen. nov., sp. nov., a new bacteriochlorophyll a-containing obligate aerobe belonging to the beta-subclass of the Proteobacteria. Int J Syst Bacteriol 1999; 49:449-457. 🇯🇵
  • 🧒 Takeda et al. (2002) assigned the genus Caldimonas Takeda et al. 2002 to this family. Publication: Takeda M, Kamagata Y, Ghiorse WC, Hanada S, Koizumi J. Caldimonas manganoxidans gen. nov., sp. nov., a poly(3-hydroxybutyrate)-degrading, manganese-oxidizing thermophile. Int J Syst Evol Microbiol 2002; 52:895-900. 🇯🇵
  • 🧒 Xie and Yokota (2005) assigned the genus Pelomonas Xie and Yokota 2005 to this family. Publication: Xie CH, Yokota A. Reclassification of Alcaligenes latus strains IAM 12599T and IAM 12664 and Pseudomonas saccharophila as Azohydromonas lata gen. nov., comb. nov., Azohydromonas australica sp. nov. and Pelomonas saccharophila gen. nov., comb. nov., respectively. Int J Syst Evol Microbiol 2005; 55:2419-2425. 🇯🇵
  • 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Caamonadaceae"; "Comamonaceae"; "Comamonadacea"; "Comamonaduceae"; "Commamonaceae"; "Comurnonadaceae".
  • 💁 Taxonomists who have recently focused on this group are the corresponding authors of Hahn et al. (2010), Bruland et al. (2009), Willems et al. (1992), Hiraishi et al. (1995), Deshmukh and Oren (2026). 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: 146; LMG: 95; JCM: 91; NBRC: 82; KCTC: 71; CCUG: 63; ATCC: 59; KACC: 57; CIP: 49; CGMCC: 38.

Subdivision:

Number of child taxa with a validly published and correct name: 40
Number of child taxa with a validly published name, including synonyms: 48
Total number of child taxa: 53

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Acidovorax Willems et al. 1990	validly published under the ICNP	correct name
    Albidiferax corrig. Ramana and Sasikala 2009	validly published under the ICNP	correct name
    Albidoferax Ramana and Sasikala 2009	inaccurate spelling	misspelling
    "Albitalea" Khan et al. 2021	not validly published	synonym
    Alicycliphilus Mechichi et al. 2003	validly published under the ICNP	correct name
    Allobrachymonas Deshmukh and Oren 2026	validly published under the ICNP, illegitimate name	synonym
    Allofranklinella Deshmukh and Oren 2023	validly published under the ICNP	correct name
    Brachymonas Hiraishi et al. 1995	validly published under the ICNP	correct name
    Caenibacterium Manaia et al. 2003	validly published under the ICNP	synonym
    Caenimonas Ryu et al. 2008	validly published under the ICNP	correct name
    Comamonas (ex Davis and Park 1962) De Vos et al. 1985	validly published under the ICNP	correct name
    "Comamonas" Miyamoto et al. 1961	not validly published	synonym
    "Comamonas" Davis and Park 1962	not validly published	synonym
    Corticibacter Fang et al. 2015	validly published under the ICNP	correct name
    Curvibacter Ding and Yokota 2004	validly published under the ICNP	correct name
    Delftia Wen et al. 1999	validly published under the ICNP	correct name
    Diaphorobacter Khan and Hiraishi 2003	validly published under the ICNP	correct name
    Extensimonas Zhang et al. 2013	validly published under the ICNP	correct name
    Franklinella Bernard et al. 2022	validly published under the ICNP, illegitimate name	synonym
    Giesbergeria Grabovich et al. 2006	validly published under the ICNP	correct name
    Hydrogenophaga Willems et al. 1989	validly published under the ICNP	correct name
    Hydrophilobacter Choi et al. 2026	validly published under the ICNP	correct name
    Hylemonella Spring et al. 2004	validly published under the ICNP	correct name
    Lampropedia Schroeter 1886 (Approved Lists 1980)	validly published under the ICNP	correct name
    Limnohabitans Hahn et al. 2010	validly published under the ICNP	correct name
    Macromonas Utermöhl and Koppe 1924 (Approved Lists 1980)	validly published under the ICNP	correct name
    Malikia Spring et al. 2005	validly published under the ICNP	correct name
    Melaminivora Wang et al. 2014	validly published under the ICNP	correct name
    Mitsuaria Amakata et al. 2005	validly published under the ICNP	synonym
    Oryzisolibacter Vaz-Moreira et al. 2017	validly published under the ICNP	correct name
    Ottowia Spring et al. 2004	validly published under the ICNP	correct name
    Paenacidovorax Du et al. 2023	validly published under the ICNP	synonym
    Paracidovorax Du et al. 2023	validly published under the ICNP	synonym
    Polaromonas Irgens et al. 1996	validly published under the ICNP	correct name
    Pseudacidovorax Kämpfer et al. 2008	validly published under the ICNP	correct name
    Pseudorhodoferax Bruland et al. 2009	validly published under the ICNP	correct name
    Pulveribacter Heo et al. 2019	validly published under the ICNP	correct name
    Ramlibacter Heulin et al. 2003	validly published under the ICNP	correct name
    Rhodoferax Hiraishi et al. 1992	validly published under the ICNP	correct name
    Schlegelella Elbanna et al. 2003	validly published under the ICNP	synonym
    Serpentinimonas Bird et al. 2021	validly published under the ICNP	correct name
    "Candidatus Serpentinomonas" Suzuki et al. 2014	not validly published	preferred name
    Simplicispira Grabovich et al. 2006	validly published under the ICNP	correct name
    Tepidicella França et al. 2006	validly published under the ICNP	correct name
    Tepidimonas Moreira et al. 2000	validly published under the ICNP	correct name
    Thiomonas Moreira and Amils 1997	validly published under the ICNP	correct name
    Tibeticola Khan et al. 2017	validly published under the ICNP	correct name
    Vandammella Bernard et al. 2022	validly published under the ICNP	correct name
    Variovorax Willems et al. 1991	validly published under the ICNP	correct name
    Verminephrobacter Pinel et al. 2012	validly published under the ICNP	correct name
    Xenophilus Blümel et al. 2001	validly published under the ICNP	correct name
    Xylophilus Willems et al. 1987	validly published under the ICNP	correct name
    Zhizhongheella Dong et al. 2014	validly published under the ICNP	synonym

Parent taxon: Burkholderiales Garrity et al. 2006

Assigned by: Garrity GM, Bell JA, Lilburn T. Order I. Burkholderiales ord. nov. In: Brenner DJ, Krieg NR, Staley JT, Garrity GM (eds), Bergey's Manual of Systematic Bacteriology, 2nd edn, vol. 2 (The Proteobacteria), part C (The Alpha-, Beta-, Delta-, and Epsilonproteobacteria), Springer, New York, 2005, p. 575. 🇺🇸

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Record number: 336