Name: Ancalomicrobiaceae Dahal et al. 2018

Category: Family

Proposed as: fam. nov.

Etymology: An.ca.lo.mi.cro.bi.a’ce.ae. N.L. neut. n. Ancalomicrobium, type genus of the family; L. fem. pl. n. suff. -aceae, ending to denote a family; N.L. fem. pl. n. Ancalomicrobiaceae, the Ancalomicrobium family

Pronunciation (Latin), gender: an-ka-lo-mi-kro-bi-A-ke-a͡e, feminine

Type genus: Ancalomicrobium Staley 1968 (Approved Lists 1980)

Valid publication: Dahal RH, Chaudhary DK, Kim J. Pinisolibacter ravus gen. nov., sp. nov., isolated from pine forest soil and allocation of the genera Ancalomicrobium and Pinisolibacter to the family Ancalomicrobiaceae fam. nov., and emendation of the genus Ancalomicrobium Staley 1968. Int J Syst Evol Microbiol 2018; 68:1955-1962. 🇰🇷

IJSEM list: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 68, part 6 of the IJSEM. Int J Syst Evol Microbiol 2018; 68:2710-2711.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Emendations:
  • Felföldi et al. 2019 Felfoldi T, Marton Z, Szabo A, Mentes A, Boka K, Marialigeti K, Mathe I, Koncz M, Schumann P, Toth E. Siculibacillus lacustris gen. nov., sp. nov., a new rosette-forming bacterium isolated from a freshwater crater lake (Lake St. Ana, Romania). Int J Syst Evol Microbiol 2019; 69:1731-1736. 🇭🇺 Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 69, part 6 of the IJSEM. Int J Syst Evol Microbiol 2019; 69:2630-2631.
    Notes:
    • ⊕ Emendation accompanied by the inclusion of 1 genus in the family.
  • Vasilyeva et al. 2022 Vasilyeva L, Grouzdev D, Koziaeva V, Berestovskaya Y, Novikov A, et al. Prosthecodimorpha staleyi gen. nov., sp. nov., novel prosthecate bacteria within the family Ancalomicrobiaceae and reclassificationof the polyphyletic genus Prosthecomicrobium. Microbiology (Russia) 2022; 91:479-488. 🇷🇺 Oren A, Göker M. List of changes in taxonomic opinion no. 37. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2023; 73:5696.
    Notes:
    • ⊕ Emendation accompanied by the inclusion of 1 genus in the family.

• Notes:
  • 🧕 Dahal et al. (2018) assigned this family to the order Rhizobiales Kuykendall 2006. Publication: Dahal RH, Chaudhary DK, Kim J. Pinisolibacter ravus gen. nov., sp. nov., isolated from pine forest soil and allocation of the genera Ancalomicrobium and Pinisolibacter to the family Ancalomicrobiaceae fam. nov., and emendation of the genus Ancalomicrobium Staley 1968. Int J Syst Evol Microbiol 2018; 68:1955-1962. 🇰🇷
  • 🚃 The type genus of this family has alternatively been placed in the family Hyphomicrobiaceae Babudieri 1950 (Approved Lists 1980). 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. 🇺🇸
  • 💁 Taxonomists who have recently focused on this group are the corresponding authors of Vasilyeva et al. (2024). 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: 6; VKM: 4; UQM: 4; ATCC: 3; JCM: 2; NBRC: 2; KACC: 1; LMG: 1; B: 1; KCTC: 1.

Subdivision:

Number of child taxa with a validly published and correct name: 5
Number of child taxa with a validly published name, including synonyms: 5
Total number of child taxa: 6

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Ancalomicrobium Staley 1968 (Approved Lists 1980)	validly published under the ICNP	correct name
    Methyloraptor Saltykova et al. 2025	validly published under the ICNP	correct name
    Pinisolibacter Dahal et al. 2018	validly published under the ICNP	correct name
    Prosthecodimorpha Vasilyeva et al. 2025	validly published under the ICNP	correct name
    "Prosthecodimorpha" Vasilyeva et al. 2022	not validly published	synonym
    Siculibacillus Felföldi et al. 2019	validly published under the ICNP	correct name

Parent taxon: Hyphomicrobiales Douglas 1957 (Approved Lists 1980)

Assigned by: Hordt A, Lopez MG, Meier-Kolthoff JP, Schleuning M, Weinhold LM, Tindall BJ, Gronow S, Kyrpides NC, Woyke T, Goker M. Analysis of 1,000+ Type-Strain Genomes Substantially Improves Taxonomic Classification of Alphaproteobacteria. Front Microbiol 2020; 11:468. 🇩🇪

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Record number: 4806