Name: Thiomicrospira cyclica (Sorokin et al. 2002) Boden et al. 2017

Category: Species

Proposed as: comb. nov.

Basonym: Thialkalimicrobium cyclicum Sorokin et al. 2002

Etymology: cy’cli.ca. L. masc. n. cyclus, circle; L. fem. adj. suff. -ica, of or pertaining to; L. fem. adj. cyclica, circle-like

Gender: feminine

Type strain: ALM 1; DSM 14477; JCM 11371

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AF329082 Analyse FASTA

Valid publication: Boden R, Scott KM, Williams J, Russel S, Antonen K, Rae AW, Hutt LP. An evaluation of Thiomicrospira, Hydrogenovibrio and Thioalkalimicrobium: reclassification of four species of Thiomicrospira to each Thiomicrorhabdus gen. nov. and Hydrogenovibrio, and reclassification of all four species of Thioalkalimicrobium to Thiomicrospira. Int J Syst Evol Microbiol 2017; 67:1140-1151.

IJSEM list: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 67, part 5 of the IJSEM. Int J Syst Evol Microbiol 2017; 67:2495-2498.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Synonyms:

  • Name	Kind
    Thioalkalimicrobium cyclicum corrig. Sorokin et al. 2002	homotypic synonym, validly published under the ICNP
    Thialkalimicrobium cyclicum Sorokin et al. 2002	homotypic synonym, inaccurate spelling

• Notes:
  • 🧬 The phylogenomic assignment score of this taxon is 0.07823 (N = 7).
  • 😷 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.

Parent taxon: Thiomicrospira Kuenen and Veldkamp 1972 (Approved Lists 1980)

Assigned by: Boden R, Scott KM, Williams J, Russel S, Antonen K, Rae AW, Hutt LP. An evaluation of Thiomicrospira, Hydrogenovibrio and Thioalkalimicrobium: reclassification of four species of Thiomicrospira to each Thiomicrorhabdus gen. nov. and Hydrogenovibrio, and reclassification of all four species of Thioalkalimicrobium to Thiomicrospira. Int J Syst Evol Microbiol 2017; 67:1140-1151.

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Record number: 795244