Name: Megamonas funiformis Sakon et al. 2008

Category: Species

Proposed as: sp. nov.

Etymology: fu.ni.for’mis. L. masc. n. funis, string; L. masc./fem. adj. suff. -formis, -like, in the shape of; from L. fem. n. forma, figure, shape, appearance; N.L. fem. adj. funiformis, string-shaped, referring to the cell shape

Pronunciation (Latin), gender: … fu-ni-FOR-mis, feminine

Type strain: DSM 19343; JCM 14723; YIT 11815

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB300988 Analyse FASTA

Valid publication: Sakon H, Nagai F, Morotomi M, Tanaka R. Sutterella parvirubra sp. nov. and Megamonas funiformis sp. nov., isolated from human faeces. Int J Syst Evol Microbiol 2008; 58:970-975. 🇯🇵

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 58, part 4 of the IJSEM. Int J Syst Evol Microbiol 2008; 58:1513-1514.

Nomenclatural status: validly published under the ICNP

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

Risk group: 1

• Notes:
  • 😷 The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1. — 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.
  • 🎓 Name mentioned 35 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 pathogenicity of other species in the genus.

Parent taxon: Megamonas Shah and Collins 1983

Assigned by: Sakon H, Nagai F, Morotomi M, Tanaka R. Sutterella parvirubra sp. nov. and Megamonas funiformis sp. nov., isolated from human faeces. Int J Syst Evol Microbiol 2008; 58:970-975. 🇯🇵

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Record number: 786545