Name: Pirellula staleyi (Schlesner and Hirsch 1984) Schlesner and Hirsch 1987

Category: Species

Proposed as: comb. nov.

Basonym: Pirella staleyi Schlesner and Hirsch 1984

Etymology: sta’ley.i N.L. gen. masc. n. staleyi, of Staley, named after James T. Staley, who isolated strain ATCC 27377, under the name Pasteuria ramosa

Gender: feminine

Type strains: ATCC 27377; DSM 6068; DSM 940

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: X81946 Analyse FASTA

Valid publication: Schlesner H, Hirsch P. Rejection of the genus name Pirella for pear-shaped budding bacteria and proposal to create the genus Pirellula gen. nov. Int. J. Syst. Bacteriol. 1987; 37:441.

Nomenclatural status: validly published

Taxonomic status: correct name

Risk group: 1

• Synonyms:

  • Name	Kind
    Pirella staleyi Schlesner and Hirsch 1984	homotypic synonym, validly published, illegitimate name

• Emendations:
  • Hahnke et al. 2016 Hahnke RL, Meier-Kolthoff JP, Garcia-Lopez M, Mukherjee S, Huntemann M, Ivanova NN, Woyke T, Kyrpides NC, Klenk HP, Goker M. Genome-Based Taxonomic Classification of Bacteroidetes. Front Microbiol 2016; 7:2003. Oren A, Garrity GM. List of changes in taxonomic opinion no. 26. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2017; 67:2081-2086.

• Notes:
  • Nomenclatural type of the genus Pirellula Schlesner and Hirsch 1987. Publication: Schlesner H, Hirsch P. Rejection of the genus name Pirella for pear-shaped budding bacteria and proposal to create the genus Pirellula gen. nov. Int. J. Syst. Bacteriol. 1987; 37:441.
  • The genome of the type strain was sequenced as part of the GEBA (Genomic Encyclopedia of Bacteria and Archaea) project. Publication: Clum A, Tindall BJ, Sikorski J, Ivanova N, Mavrommatis K, Lucas S, Glavina T, Del Rio, Nolan M, Chen F, et al. Complete genome sequence of Pirellula staleyi type strain (ATCC 27377). Stand Genomic Sci 2009; 1:308-316.
  • Replacement of the illegitimate name Pirella staleyi Schlesner and Hirsch 1984, which was illegitimate because of precedence of the fungal genus Pirella Bainier 1883 [Rule 51b(4)]. The strain ATCC 27377 DSM 6068 was previously the type strain of Pasteuria ramosa Metchnikoff 1888 (Approved Lists 1980).
  • The strain ATCC 27377 = DSM 6068 was previously the type strain of Pasteuria ramosa Metchnikoff 1888 (Approved Lists 1980).

Parent taxon: Pirellula Schlesner and Hirsch 1987

Assigned by: Schlesner H, Hirsch P. Rejection of the genus name Pirella for pear-shaped budding bacteria and proposal to create the genus Pirellula gen. nov. Int. J. Syst. Bacteriol. 1987; 37:441.

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