Name: Microbacteriaceae Park et al. 1995

Category: Family

Proposed as: fam. nov.

Etymology: Mi.cro.bac.te.ri.a’ce.ae. N.L. neut. n. Microbacterium, type genus of the family; L. fem. pl. n. suff. -aceae, ending to denote a family; N.L. fem. pl. n. Microbacteriaceae, the Microbacterium family

Pronunciation (Latin), gender: mi-kro-bak-te-ri-A-ke-a͡e, feminine

Type genus: Microbacterium Orla-Jensen 1919 (Approved Lists 1980)

Effective publication: Park YH, Suzuki K, Yim DG, Lee KC, Kim E, Yoon J, Kim S, Kho YH, Goodfellow M, Komagata K. Suprageneric classification of peptidoglycan group B actinomycetes by nucleotide sequencing of 5S ribosomal RNA. Antonie Van Leeuwenhoek 1993; 64:307-313. 🇰🇷

IJSEM list: Anonymous. Validation list no. 53. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1995; 45:418-419.

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 7 genera in 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 25 genera in the family.

• Notes:
  • 🧕 Boone et al. (2001) assigned this family to the suborder Micrococcineae Stackebrandt 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. 🇺🇸
  • 🧕 Kästle-Silva et al. (2025) assigned this family to the order Actinomycetales Buchanan 1917 (Approved Lists 1980). Publication: Silva JK, Herve V, Mies US, Platt K, Brune A. A Novel Lineage of Endosymbiotic Actinomycetales: Genome Reduction and Acquisition of New Functions in Bifidobacteriaceae Associated With Termite Gut Flagellates. Environ Microbiol 2025; 27:e70010. 🇩🇪
  • 🧕 Salam et al. (2020) assigned this family to the order Microbacteriales Salam et al. 2020. Publication: Salam N, Jiao JY, Zhang XT, Li WJ. Update on the classification of higher ranks in the phylum Actinobacteria. Int J Syst Evol Microbiol 2020; 70:1331-1355. 🇨🇳
  • 🧕 Stackebrandt et al. (1997) assigned this family to the suborder Micrococcineae Stackebrandt 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 Micrococcineae Stackebrandt 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. 🇨🇳
  • 🚃 The type genus of this family has alternatively been placed in the family Corynebacteriaceae Lehmann and Neumann 1907 (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.
  • 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Mhrobacteriaceae"; "Micobacteriaceae"; "Microcbacteriaceae".
  • 📧 The e-mail address of the corresponding author given in the effective publication is not functional any more.
  • 🧔 This taxon was discussed in a meeting of a Taxonomic Subcommittee of the ICSP. Publication: Toth E, Schumann P, Hamada M, Suzuki KI. International Committee on Systematics of Prokaryotes Subcommittee on the taxonomy of the suborder Micrococcineae Minutes of the meeting, 29 July 2014, Montreal, Canada. Int J Syst Evol Microbiol 2017; 67:2068-2069. 🇯🇵
  • 💁 Taxonomists who have recently focused on this group are the corresponding authors of Evtushenko et al. (2002), Fidalgo et al. (2016), Tiago et al. (2006), Jang et al. (2013), Li et al. (2019). 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: 382; JCM: 346; NBRC: 206; KCTC: 154; LMG: 139; CIP: 107; CGMCC: 106; ATCC: 84; VKM: 83; IFO: 72.

Subdivision:

Number of child taxa with a validly published and correct name: 64
Number of child taxa with a validly published name, including synonyms: 73
Total number of child taxa: 82

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Agreia Evtushenko et al. 2001	validly published under the ICNP	correct name
    Agrococcus Groth et al. 1996	validly published under the ICNP	correct name
    Agromyces Gledhill and Casida 1969 (Approved Lists 1980)	validly published under the ICNP	correct name
    Allohumibacter Kim et al. 2016	validly published under the ICNP	correct name
    Alpinimonas Schumann et al. 2012	validly published under the ICNP	correct name
    Amnibacterium Kim and Lee 2011	validly published under the ICNP	correct name
    Antiquaquibacter Toumi et al. 2023	validly published under the ICNP	correct name
    Arenivirga Hamada et al. 2017	validly published under the ICNP	correct name
    Aurantimicrobium Nakai et al. 2015	validly published under the ICNP	correct name
    Aureobacterium Collins et al. 1983	validly published under the ICNP	synonym
    "Caespitibacter" Vandamme et al. 2022	not validly published	synonym
    Canibacter Aravena-Román et al. 2014	validly published under the ICNP	correct name
    Chryseoglobus Baik et al. 2010	validly published under the ICNP	synonym
    Clavibacter Davis et al. 1984	validly published under the ICNP	correct name
    Cnuibacter Zhou et al. 2016	validly published under the ICNP	correct name
    Compostimonas Kim et al. 2012	validly published under the ICNP	correct name
    Conyzicola Kim et al. 2014	validly published under the ICNP	correct name
    "Crocebacterium" Rogers and Doran-Peterson 2010	not validly published	preferred name
    Cryobacterium Suzuki et al. 1997	validly published under the ICNP	correct name
    "Cryocola" Karasev 2007	not validly published	preferred name
    Curtobacterium Yamada and Komagata 1972 (Approved Lists 1980)	validly published under the ICNP	correct name
    Desertivibrio Li et al. 2025	validly published under the ICNP	correct name
    Diaminobutyricibacter Kim et al. 2014	validly published under the ICNP	synonym
    Diaminobutyricimonas Jang et al. 2013	validly published under the ICNP	correct name
    Frigoribacterium Kämpfer et al. 2000	validly published under the ICNP	correct name
    Frondicola Zhang et al. 2007	validly published under the ICNP, illegitimate name	synonym
    Frondihabitans Greene et al. 2009	validly published under the ICNP	correct name
    Galbitalea Kim et al. 2014	validly published under the ICNP	correct name
    Glaciibacter Katayama et al. 2009	validly published under the ICNP	correct name
    Glaciihabitans Li et al. 2014	validly published under the ICNP	correct name
    Gryllotalpicola Kim et al. 2012	validly published under the ICNP	correct name
    Gulosibacter Manaia et al. 2004	validly published under the ICNP	correct name
    Herbiconiux Behrendt et al. 2011	validly published under the ICNP	correct name
    Homoserinibacter Kim et al. 2014	validly published under the ICNP	correct name
    Homoserinimonas Kim et al. 2012	validly published under the ICNP	correct name
    Huakuichenia Zhang et al. 2016	validly published under the ICNP	correct name
    Humibacter Vaz-Moreira et al. 2008	validly published under the ICNP	correct name
    Humidisolicoccus Kim and Kim 2025	validly published under the ICNP	correct name
    Klugiella Cook et al. 2008	validly published under the ICNP	correct name
    Labedella Lee 2007	validly published under the ICNP	correct name
    Lacisediminihabitans Zhuo et al. 2020	validly published under the ICNP	correct name
    Leifsonella Gtari et al. 2025	validly published under the ICNP	correct name
    Leifsonia Evtushenko et al. 2000	validly published under the ICNP	correct name
    "Leifsonia" Suzuki et al. 1999	not validly published	synonym
    Leucobacter Takeuchi et al. 1996	validly published under the ICNP	correct name
    "Luethyella" O'Neal et al. 2017	not validly published	preferred name
    "Candidatus Lumbricidiphila" corrig. Lund et al. 2018	not validly published	pro-correct name
    "Candidatus Lumbricidophila" Lund et al. 2018	inaccurate spelling	misspelling
    Lysinibacter Tuo et al. 2015	validly published under the ICNP	correct name
    Lysinimonas Jang et al. 2013	validly published under the ICNP	correct name
    Marinisubtilis Qin et al. 2021	validly published under the ICNP	synonym
    Marisediminicola Li et al. 2010	validly published under the ICNP	correct name
    Microbacterium Orla-Jensen 1919 (Approved Lists 1980)	validly published under the ICNP	correct name
    Microcella Tiago et al. 2005	validly published under the ICNP	correct name
    Microterricola Matsumoto et al. 2008	validly published under the ICNP	correct name
    Mycetocola Tsukamoto et al. 2001	validly published under the ICNP	correct name
    Naasia Weon et al. 2013	validly published under the ICNP	correct name
    Okibacterium Evtushenko et al. 2002	validly published under the ICNP	correct name
    Orlajensenia Gtari et al. 2025	validly published under the ICNP	correct name
    Parafrigoribacterium Kong et al. 2016	validly published under the ICNP	correct name
    Paramicrobacterium Lee et al. 2024	validly published under the ICNP	synonym
    Phycicola Lee et al. 2008	validly published under the ICNP	synonym
    Planctomonas Liu et al. 2019	validly published under the ICNP	correct name
    "Candidatus Planktoluna" Hahn 2009	not validly published	pro-correct name
    Plantibacter Behrendt et al. 2002	validly published under the ICNP	correct name
    Pontimonas Jang et al. 2013	validly published under the ICNP	correct name
    Protaetiibacter Heo et al. 2019	validly published under the ICNP	correct name
    Pseudoclavibacter Manaia et al. 2004	validly published under the ICNP	correct name
    Pseudolysinimonas Heo et al. 2019	validly published under the ICNP	correct name
    Puzihella Sheu et al. 2017	validly published under the ICNP	correct name
    Rathayibacter Zgurskaya et al. 1993	validly published under the ICNP	correct name
    Rhodoglobus Sheridan et al. 2003	validly published under the ICNP	correct name
    Rhodoluna Hahn et al. 2014	validly published under the ICNP	correct name
    "Candidatus Rhodoluna" Hahn 2009	not validly published	synonym
    Rudaibacter Kim et al. 2013	validly published under the ICNP	correct name
    Ruicaihuangia Liu et al. 2024	validly published under the ICNP	correct name
    Salinibacterium Han et al. 2003	validly published under the ICNP	correct name
    Schumannella An et al. 2009	validly published under the ICNP	correct name
    Subtercola Männistö et al. 2000	validly published under the ICNP	correct name
    Terrimesophilobacter Hahn et al. 2021	validly published under the ICNP	correct name
    Yonghaparkia Yoon et al. 2006	validly published under the ICNP	synonym
    Zimmermannella Lin et al. 2004	validly published under the ICNP, illegitimate name	synonym

Parent taxon: Micrococcales Prévot 1940 (Approved Lists 1980)

Assigned by: Nouioui I, Carro L, Garcia-Lopez M, Meier-Kolthoff JP, Woyke T, Kyrpides NC, Pukall R, Klenk HP, Goodfellow M, Goker M. Genome-Based Taxonomic Classification of the Phylum Actinobacteria. Front Microbiol 2018; 9:2007. 🇩🇪

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Record number: 875