Name: Myxococcaceae Jahn 1924 (Approved Lists 1980)

Category: Family

Proposed as: fam. nov.

Etymology: N.L. masc. n. Myxococcus, type genus of the family; L. fem. pl. n. suff. -aceae, ending to denote a family; N.L. fem. pl. n. Myxococcaceae, the Myxococcus family

Gender: feminine

Type genus: Myxococcus Thaxter 1892 (Approved Lists 1980)

Effective publication: Jahn E. Beitrage zur botanischen Protistologie. I. Die Polyangiden. Verlag von Gebruder Borntraeger, Leipzig, 1924.

IJSEM list: Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Emendations:
  • Lang et al. 2015 Lang E, Schumann P, Tindall BJ, Mohr KI, Sproer C. Reclassification of Angiococcus disciformis, Cystobacter minus and Cystobacter violaceus as Archangium disciforme comb. nov., Archangium minus comb. nov. and Archangium violaceum comb. nov., unification of the families Archangiaceae and Cystobacteraceae, and emended descriptions of the families Myxococcaceae and Archangiaceae. Int J Syst Evol Microbiol 2015; 65:4032-4042. Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 65, part 11 of the IJSEM. Int J Syst Evol Microbiol 2016; 66:527-529.
    Notes:
    • Emendation accompanied by the removal of 1 genus from the family.
  • Garcia and Müller 2018 Garcia R, Muller R. Simulacricoccus ruber gen. nov., sp. nov., a microaerotolerant, non-fruiting, myxospore-forming soil myxobacterium and emended description of the family Myxococcaceae. Int J Syst Evol Microbiol 2018; 68:3101-3110. Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 68, part 10 of the IJSEM. Int J Syst Evol Microbiol 2019; 69:10-12.
    Notes:
    • Emendation accompanied by the inclusion of 2 genera in the family.

• Notes:
  • Breed et al. (1948) assigned this family to the order "Myxobacteriales". Publication: Burkholder WH. Genus I. Pseudomonas Migula. Bacterial plant pathogens. In: Breed RS, Murray EGD, Hitchens AP (eds), Bergey's Manual of Determinative Bacteriology, 6th ed., The Williams & Wilkins Co, Baltimore, 1948, p. 82-150.
  • Breed et al. (1957) assigned this family to the order "Myxobacterales". 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.
  • Brenner et al. (2005) assigned this family to the suborder Cystobacterineae Reichenbach 2007. 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.
  • Boone et al. (2001) assigned the genus Angiococcus (ex Jahn 1924) Hook et al. 1980 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.
  • Breed et al. (1948) assigned the genus "Chrondrococcus" to this family. Publication: Burkholder WH. Genus I. Pseudomonas Migula. Bacterial plant pathogens. In: Breed RS, Murray EGD, Hitchens AP (eds), Bergey's Manual of Determinative Bacteriology, 6th ed., The Williams & Wilkins Co, Baltimore, 1948, p. 82-150.
  • Breed et al. (1957) assigned the genus Sporocytophaga Stanier 1940 (Approved Lists 1980) to this family. 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.
  • Brenner et al. (2005) assigned the genus "Pyxicoccus" Brenner et al. 2005 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.
  • Waite et al. (2020) assigned the genus Archangium Jahn 1924 (Approved Lists 1980) to this family. Publication: Waite DW, Chuvochina M, Pelikan C, Parks DH, Yilmaz P, Wagner M, Loy A, Naganuma T, Nakai R, Whitman WB, et al. Proposal to reclassify the proteobacterial classes Deltaproteobacteria and Oligoflexia, and the phylum Thermodesulfobacteria into four phyla reflecting major functional capabilities. Int J Syst Evol Microbiol 2020; 70:5972-6016.
  • Waite et al. (2020) assigned the genus Cystobacter Schroeter 1886 (Approved Lists 1980) to this family. Publication: Waite DW, Chuvochina M, Pelikan C, Parks DH, Yilmaz P, Wagner M, Loy A, Naganuma T, Nakai R, Whitman WB, et al. Proposal to reclassify the proteobacterial classes Deltaproteobacteria and Oligoflexia, and the phylum Thermodesulfobacteria into four phyla reflecting major functional capabilities. Int J Syst Evol Microbiol 2020; 70:5972-6016.
  • Waite et al. (2020) assigned the genus Hyalangium Reichenbach 2007 to this family. Publication: Waite DW, Chuvochina M, Pelikan C, Parks DH, Yilmaz P, Wagner M, Loy A, Naganuma T, Nakai R, Whitman WB, et al. Proposal to reclassify the proteobacterial classes Deltaproteobacteria and Oligoflexia, and the phylum Thermodesulfobacteria into four phyla reflecting major functional capabilities. Int J Syst Evol Microbiol 2020; 70:5972-6016.
  • Waite et al. (2020) assigned the genus Stigmatella Berkeley and Curtis 1875 (Approved Lists 1980) to this family. Publication: Waite DW, Chuvochina M, Pelikan C, Parks DH, Yilmaz P, Wagner M, Loy A, Naganuma T, Nakai R, Whitman WB, et al. Proposal to reclassify the proteobacterial classes Deltaproteobacteria and Oligoflexia, and the phylum Thermodesulfobacteria into four phyla reflecting major functional capabilities. Int J Syst Evol Microbiol 2020; 70:5972-6016.
  • The type genus of this family has alternatively been placed in the family "Myxobacteriaceae". Publication: Bergey DH, Harrison FC, Breed RS, Hammer BW, Huntoon FM. Bergey’s Manual of Determinative Bacteriology, 1st ed. The Williams and Wilkins Co., Baltimore, 1923.
  • This taxon name is occasionally misprinted in some sources as: "Jllyxococcaceae"; "Mgxococcaceae"; "Mvxococcaceae"; "Mycocaccaceae"; "Mycococcaceae"; "Myscococcaceae"; "Myxocaceaceae".
  • The BRCs most frequently used for deposits in this group are: DSM: 26; NBRC: 16; JCM: 13; CIP: 10; NCCB: 8; ATCC: 8; NCIMB: 2; KCTC: 2; CCUG: 1; IFO: 1.

Subdivision:

Number of child taxa with a validly published and correct name: 6
Number of child taxa with a validly published name, including synonyms: 6
Total number of child taxa: 8

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Aggregicoccus Sood et al. 2015	validly published under the ICNP	correct name
    "Chondrococcus" Jahn 1924	not validly published
    Citreicoccus Zhou et al. 2022	validly published under the ICNP	correct name
    Corallococcus Reichenbach 2007	validly published under the ICNP	correct name
    Myxococcus Thaxter 1892 (Approved Lists 1980)	validly published under the ICNP	correct name
    Pyxicoccus Reichenbach 2007	inaccurate spelling	misspelling
    Pyxidicoccus corrig. Reichenbach 2007	validly published under the ICNP	correct name
    Simulacricoccus Garcia and Müller 2018	validly published under the ICNP	correct name

Parent taxon: Myxococcales Tchan et al. 1948 (Approved Lists 1980)

Assigned by: Lang E, Schumann P, Tindall BJ, Mohr KI, Sproer C. Reclassification of Angiococcus disciformis, Cystobacter minus and Cystobacter violaceus as Archangium disciforme comb. nov., Archangium minus comb. nov. and Archangium violaceum comb. nov., unification of the families Archangiaceae and Cystobacteraceae, and emended descriptions of the families Myxococcaceae and Archangiaceae. Int J Syst Evol Microbiol 2015; 65:4032-4042.

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Record number: 919