Name: Prosthecobacter fusiformis (ex Staley et al. 1976) Staley et al. 1980

Category: Species

Proposed as: sp. nov., nom. rev.

Etymology: fu.si.for’mis. L. masc. n. fusus, spindle; L. masc./fem. adj. suff. -formis, -like, in the shape of; from L. fem. n. forma, shape, form; N.L. masc./fem. adj. fusiformis, spindle-shaped

Gender: masculine

Type strain: ATCC 25309; DSM 8960; FC4

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: U60015 Analyse FASTA

Valid publication: Staley JT, De Bont JAM, De Jonge K. Prosthecobacter fusiformis gen. and sp. nov., nom. rev. Int. J. Syst. Bacteriol. 1980; 30:595.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Emendations:
  • García-López et al. 2019 Garcia-Lopez M, Meier-Kolthoff JP, Tindall BJ, Gronow S, Woyke T, Kyrpides NC, Hahnke RL, Goker M. Analysis of 1,000 Type-Strain Genomes Improves Taxonomic Classification of Bacteroidetes. Front Microbiol 2019; 10:2083. Oren A, Garrity GM. List of changes in taxonomic opinion no. 32. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2020; 70:4061-4090.

• Notes:
  • 🥇 Nomenclatural type of the genus Prosthecobacter (ex Staley et al. 1976) Staley et al. 1980. Publication: Staley JT, De Bont JAM, De Jonge K. Prosthecobacter fusiformis gen. and sp. nov., nom. rev. Int. J. Syst. Bacteriol. 1980; 30:595.
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No". — The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 1. — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1.
  • 🎓 Name mentioned 4 times in PubMed until 2024-03-27.

Parent taxon: Prosthecobacter (ex Staley et al. 1976) Staley et al. 1980

Assigned by: Staley JT, De Bont JAM, De Jonge K. Prosthecobacter fusiformis gen. and sp. nov., nom. rev. Int. J. Syst. Bacteriol. 1980; 30:595.

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Record number: 779853