Name: Mobiluncus holmesii (Spiegel and Roberts 1984) Nouioui et al. 2018

Category: Species

Proposed as: comb. nov.

Basonym: Mobiluncus curtisii subsp. holmesii Spiegel and Roberts 1984

Etymology: hol.me’si.i. N.L. gen. masc. n. holmesii, named after K. K. Holmes, a researcher of sexually transmitted diseases

Pronunciation, gender: hol-ME-si-i, masculine

Type strain: ATCC 35242; BV376-6; CCUG 17762; DSM 21655; LMG 7786; NCTC 11657

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AJ318409 Analyse FASTA

Effective publication: Nouioui I, Carro L, Garcia-Lopez M, Meier-Kolthoff JP, Woyke T, Kyrpides NC, Pukall R, Klenk HP, Goodfellow M, Goker M. Genome-Based Taxonomic Classification of the Phylum Actinobacteria. Front Microbiol 2018; 9:2007.

IJSEM list: Oren A, Garrity GM. Validation list no. 184. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2018; 68:3379-3393.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name (and explicitly recommended for medical use)

• Synonyms:

  • Name	Kind
    Mobiluncus curtisii subsp. holmesii Spiegel and Roberts 1984	homotypic synonym, validly published under the ICNP, distinct rank
    Falcivibrio vaginalis Hammann et al. 1984	heterotypic synonym, validly published under the ICNP

• Notes:
  • ⏰ According to Nouioui et al. (2018), this species is an earlier heterotypic synonym of Falcivibrio vaginalis Hammann et al. 1984. Publication: Nouioui I, Carro L, Garcia-Lopez M, Meier-Kolthoff JP, Woyke T, Kyrpides NC, Pukall R, Klenk HP, Goodfellow M, Goker M. Genome-Based Taxonomic Classification of the Phylum Actinobacteria. Front Microbiol 2018; 9:2007.
  • 🏢 Synonymy of this taxon was mentioned in an IJSEM list. Publication: Oren A, Garrity GM. List of changes in taxonomic opinion no. 29. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2019; 69:13-32.
  • 🧬 The phylogenomic assignment score of this taxon is 0.25281 (N = 16).
  • 😷 The taxon name shown here has no risk group assigned, but is the homotypic synonym of Mobiluncus curtisii subsp. holmesii Spiegel and Roberts 1984, which has a risk group (Canada) above 1. This may require that the name shown here is not treated as the correct name for practical purposes. — The taxon name shown here has no risk group assigned, but is the homotypic synonym of Mobiluncus curtisii subsp. holmesii Spiegel and Roberts 1984, which has a risk group (Swiss Confederation) above 1. This may require that the name shown here is not treated as the correct name for practical purposes. — The taxon name shown here has no risk group assigned, but is the homotypic synonym of Mobiluncus curtisii subsp. holmesii Spiegel and Roberts 1984, which has a risk group (Germany) above 1. This may require that the name shown here is not treated as the correct name for practical purposes.
  • 🎓 Name mentioned 0 times in PubMed until 2025-06-04.
  • 🫡 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as the name to be applied to this species. The name is on LoRN because of the recorded risk group of the species itself. This name is not taxonomically suspended any more in favour of Falcivibrio vaginalis Hammann et al. 1984. Publication: Hammann R, Kronibus A, Viebahn A, Brandis H. Falcivibrio grandis gen. nov. sp. nov., and Falcivibrio vaginalis gen. nov. sp. nov., a new genus and species to accommodate anaerobic motile curved rods formerly described as “Vibrio mulieris” (Prévot 1940) Breed et al. 1948. Syst. Appl. Microbiol. 1984; 5:81-96. Anonymous. Validation list no. 15. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1984; 34:355-357.

Parent taxon: Mobiluncus Spiegel and Roberts 1984

Assigned by: Nouioui I, Carro L, Garcia-Lopez M, Meier-Kolthoff JP, Woyke T, Kyrpides NC, Pukall R, Klenk HP, Goodfellow M, Goker M. Genome-Based Taxonomic Classification of the Phylum Actinobacteria. Front Microbiol 2018; 9:2007.

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Record number: 798129