Name: Holdemania filiformis Willems et al. 1997

Category: Species

Proposed as: sp. nov.

Etymology: fi.li.for’mis. L. neut. n. filum, thread; L. adj. suff. -formis -is -e, -like, in the shape of; N.L. masc./fem. adj. filiformis, filiform, thread-shaped

Gender: feminine

Type strain: ATCC 51649; DSM 12042; J1-31B-1

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: Y11466 Analyse FASTA

Valid publication: Willems A, Moore WE, Weiss N, Collins MD. Phenotypic and phylogenetic characterization of some Eubacterium-like isolates containing a novel type B wall murein from human feces: description of Holdemania filiformis gen. nov., sp. nov. Int J Syst Bacteriol 1997; 47:1201-1204.

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 47, part 4 of the IJSB. Int J Syst Bacteriol 1998; 48:329-330.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Notes:
  • 🥇 Nomenclatural type of the genus Holdemania Willems et al. 1997. Publication: Willems A, Moore WE, Weiss N, Collins MD. Phenotypic and phylogenetic characterization of some Eubacterium-like isolates containing a novel type B wall murein from human feces: description of Holdemania filiformis gen. nov., sp. nov. Int J Syst Bacteriol 1997; 47:1201-1204.
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Animal classification RG: 1 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 1". — 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 10 times in PubMed until 2024-03-28.
  • 🧍 Holdemania filiformis Willems et al. 1997 was previously known as Eubacterium-like group S14. Publication: Prévot AR. Études de systématique bactérienne. Annales de l'Institut Pasteur (Paris) 1938; 60:285-307.

Parent taxon: Holdemania Willems et al. 1997

Assigned by: Willems A, Moore WE, Weiss N, Collins MD. Phenotypic and phylogenetic characterization of some Eubacterium-like isolates containing a novel type B wall murein from human feces: description of Holdemania filiformis gen. nov., sp. nov. Int J Syst Bacteriol 1997; 47:1201-1204.

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Record number: 776911