Name: Williamwhitmania taraxaci Pikuta et al. 2017

Category: Species

Proposed as: sp. nov.

Etymology: ta.ra’xa.ci. N.L. gen. neut. n. taraxaci, of Taraxacum pertaining to the dandelion seed head, the shape possessed by cells of the original culture

Gender: feminine

Type strain: A7P-90m; DSM 100563; JCM 30888

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: KR072685 Analyse FASTA

Valid publication: Pikuta EV, Lyu Z, Hoover RB, Liu Y, Patel NB, Busse HJ, Lawson PA. Williamwhitmania taraxaci gen. nov., sp. nov., a proteolytic anaerobe with a novel type of cytology from Lake Untersee in Antarctica, description of Williamwhitmaniaceae fam. nov., and emendation of the order Bacteroidales Krieg 2012. Int J Syst Evol Microbiol 2017; 67:4132-4145.

IJSEM list: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 67, part 10 of the IJSEM. Int J Syst Evol Microbiol 2018; 68:3-6.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Notes:
  • 🥇 Nomenclatural type of the genus Williamwhitmania Pikuta et al. 2017. Publication: Pikuta EV, Lyu Z, Hoover RB, Liu Y, Patel NB, Busse HJ, Lawson PA. Williamwhitmania taraxaci gen. nov., sp. nov., a proteolytic anaerobe with a novel type of cytology from Lake Untersee in Antarctica, description of Williamwhitmaniaceae fam. nov., and emendation of the order Bacteroidales Krieg 2012. Int J Syst Evol Microbiol 2017; 67:4132-4145.
  • 😷 The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1.
  • 🎓 Name mentioned 1 time in PubMed until 2024-03-27.
  • 🧍 The phylogenetic position of this species was determined in a genome-scale analysis by García-López et al. (2019). Publication: 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.

Parent taxon: Williamwhitmania Pikuta et al. 2017

Assigned by: Pikuta EV, Lyu Z, Hoover RB, Liu Y, Patel NB, Busse HJ, Lawson PA. Williamwhitmania taraxaci gen. nov., sp. nov., a proteolytic anaerobe with a novel type of cytology from Lake Untersee in Antarctica, description of Williamwhitmaniaceae fam. nov., and emendation of the order Bacteroidales Krieg 2012. Int J Syst Evol Microbiol 2017; 67:4132-4145.

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Record number: 796067