Name: Nannocystaceae Reichenbach 2006

Category: Family

Proposed as: fam. nov.

Etymology: Nan.no.cys.ta’ce.ae. N.L. fem. n. Nannocystis, type genus of the family; L. fem. pl. n. suff. -aceae, ending to denote a family; N.L. fem. pl. n. Nannocystaceae, the Nannocystis family

Pronunciation, gender: nan-no-kys-TA-ke-a͡e, feminine

Type genus: Nannocystis Reichenbach 1970 (Approved Lists 1980)

Effective publication: Reichenbach H. Family IV. Nannocystaceae fam. 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. 1136-1137.

IJSEM list: Euzeby JP. Validation list no. 107. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2006; 56:1-6.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Notes:
  • 🧕 Brenner et al. (2005) assigned this family to the suborder Nannocystineae Reichenbach 2007. Publication: Reichenbach H. Family IV. Nannocystaceae fam. 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. 1136-1137.
  • 🧕 Waite et al. (2020) assigned this family to the order Nannocystales (Reichenbach 2007) Waite et al. 2020. 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 Polyangiaceae Jahn 1924 (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 Iizuka et al. (2013). 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 phylogenomic assignment score of this taxon is 0.01055 (N = 1).
  • 🎰 The BRCs most frequently used for deposits in this group are: DSM: 6; NCCB: 5; ATCC: 3; JCM: 3; NBRC: 1; CIP: 1.

Subdivision:

Number of child taxa with a validly published and correct name: 4
Number of child taxa with a validly published name, including synonyms: 4
Total number of child taxa: 5

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Enhygromyxa Iizuka et al. 2003	validly published under the ICNP	correct name
    Nannocystis Reichenbach 1970 (Approved Lists 1980)	validly published under the ICNP	correct name
    Plesiocystis Iizuka et al. 2003	validly published under the ICNP	correct name
    Pseudenhygromyxa Iizuka et al. 2013	validly published under the ICNP	correct name
    "Xihebacterium" Li et al. 2023	not validly published	preferred name

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

Assigned by: Reichenbach H. Order VIII. Myxococcales Tchan, Pochon and Prévot 1948, 398AL. 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. 1059-1072.

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Record number: 923