Species "Bacteroides biformis"

Name: "Bacteroides biformis" Eggerth 1935

Category: Species

Proposed as: sp. nov.

Etymology: bi.for’mis. L. masc./fem. adj. suff. -formis, form; L. masc. adj. biformis, two-shaped

Pronunciation (Latin), gender: … bi-FOR-mis, masculine

Nomenclatural type: ATCC 27806; CCUG 28091; DSM 3989

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: M59230 Analyse FASTA

Original publication: Eggerth AH. The Gram-positive Non-spore-bearing Anaerobic Bacilli of Human Feces. J Bacteriol 1935; 30:277-299.

Nomenclatural status: not validly published, basonym of name in Approved Lists

Taxonomic status: synonym (and no standing)

Correct name: Holdemanella biformis (Eggerth 1935) De Maesschalck et al. 2014

Risk group: 1

Synonyms:

Name	Kind
Holdemanella biformis (Eggerth 1935) De Maesschalck et al. 2014	homotypic synonym, validly published under the ICNP
Eubacterium biforme (Eggerth 1935) Prévot 1938 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP

Notes:
- 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No". — If in doubt, use the risk group given in the regulations for your country and, if these are not available, use the risk group given in the catalogue of the culture collection from which you have obtained or intend to obtain the strain.

Parent taxon: Bacteroides Castellani and Chalmers 1919 (Approved Lists 1980)

Assigned by: Eggerth AH. The Gram-positive Non-spore-bearing Anaerobic Bacilli of Human Feces. J Bacteriol 1935; 30:277-299.

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Record number: 4178

This LPSN page was printed on 2026-02-12 03:21:33