Name: Ruminiclostridium sufflavum (Nishiyama et al. 2009) Zhang et al. 2018

Category: Species

Proposed as: comb. nov.

Basonym: Clostridium sufflavum Nishiyama et al. 2009

Etymology: suf.fla’vum. N.L. neut. adj. sufflavum, light yellow, referring to the production of a yellow pigment

Pronunciation, gender: suf-FLA-wum, neuter

Type strain: CDT-1; DSM 19573; JCM 14807

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB267266 Analyse FASTA

Valid publication: Zhang X, Tu B, Dai LR, Lawson PA, Zheng ZZ, Liu LY, Deng Y, Zhang H, Cheng L. Petroclostridium xylanilyticum gen. nov., sp. nov., a xylan-degrading bacterium isolated from an oilfield, and reclassification of clostridial cluster III members into four novel genera in a new Hungateiclostridiaceae fam. nov. Int J Syst Evol Microbiol 2018; 68:3197-3211.

IJSEM list: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 68, part 10 of the IJSEM. Int J Syst Evol Microbiol 2019; 69:10-12.

Nomenclatural status: validly published under the ICNP

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

• Synonyms:

  • Name	Kind
    Clostridium sufflavum Nishiyama et al. 2009	homotypic synonym, validly published under the ICNP

• Notes:
  • 🎓 Name mentioned 1 time 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. This name is not taxonomically suspended any more in favour of Clostridium sufflavum Nishiyama et al. 2009. Publication: Nishiyama T, Ueki A, Kaku N, Ueki K. Clostridium sufflavum sp. nov., isolated from a methanogenic reactor treating cattle waste. Int J Syst Evol Microbiol 2009; 59:981-986. Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 59, part 5 of the IJSEM. Int J Syst Evol Microbiol 2009; 59:1853-1855.

Parent taxon: Ruminiclostridium Zhang et al. 2018

Assigned by: Zhang X, Tu B, Dai LR, Lawson PA, Zheng ZZ, Liu LY, Deng Y, Zhang H, Cheng L. Petroclostridium xylanilyticum gen. nov., sp. nov., a xylan-degrading bacterium isolated from an oilfield, and reclassification of clostridial cluster III members into four novel genera in a new Hungateiclostridiaceae fam. nov. Int J Syst Evol Microbiol 2018; 68:3197-3211.

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Record number: 798381