Name: Faecalispora sporosphaeroides (Soriano and Soriano 1948) Rios-Galicia et al. 2024

Category: Species

Proposed as: comb. nov.

Basonym: Clostridium sporosphaeroides Soriano and Soriano 1948 (Approved Lists 1980)

Etymology: spo.ro.sphaer.o.i’des. Gr. fem. n. spora, seed; Gr. fem. n. sphaîra, sphere; Gr. neut. adj. suff. -eides, resembling, similar; from Gr. neut. n. eîdos, that which is seen, form, shape, figure; N.L. fem. adj. sporosphaeroides, having spherical spores

Pronunciation (Latin), gender: … spo-ro-sp^ha͡er-o-I-des, feminine

Type strain: ATCC 25781; DSM 1294; LMG 28907; VPI 4527

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: X66002 Analyse FASTA

Valid publication: Rios-Galicia B, Saenz JS, Yergaliyev T, Roth C, Camarinha-Silva A, Seifert J. Novel taxonomic and functional diversity of eight bacteria from the upper digestive tract of chicken. Int J Syst Evol Microbiol 2024; 74:6210. 🇩🇪

IJSEM list: Oren A, Göker M. Notification list. Notification that new names and new combinations have appeared in volume 74, part 1 of the IJSEM. Int J Syst Evol Microbiol 2024; 74:6271.

Nomenclatural status: validly published under the ICNP

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

• Synonyms:

  • Name	Kind
    Clostridium sporosphaeroides Soriano and Soriano 1948 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP

• Notes:
  • 🧬 The phylogenomic assignment score of this taxon is 0.21753 (N = 52).
  • 🎓 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 genus.

Parent taxon: Faecalispora Rios-Galicia et al. 2024

Assigned by: Rios-Galicia B, Saenz JS, Yergaliyev T, Roth C, Camarinha-Silva A, Seifert J. Novel taxonomic and functional diversity of eight bacteria from the upper digestive tract of chicken. Int J Syst Evol Microbiol 2024; 74:6210. 🇩🇪

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Record number: 43269