Name: Thermoanaerobacterium butyriciformans López et al. 2019

Category: Species

Proposed as: sp. nov.

Etymology: bu.ty.ri.ci.for’mans. L. neut. n. butyrum, butter; L. pres. part. formans, forming; N.L. neut. part. adj. butyriciformans, producing butyric acid

Pronunciation (Latin), gender: … bu-ty-ri-ki-FOR-mans, neuter

Type strain: CMPUJ U019; DSM 101588; USBA 19

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: KT369738 Analyse FASTA

Effective publication: Lopez G, Canas-Duarte SJ, Pinzon-Velasco AM, Vega-Vela NE, Rodriguez M, Restrepo S, Baena S. Description of a new anaerobic thermophilic bacterium, Thermoanaerobacterium butyriciformans sp. nov. Syst Appl Microbiol 2017; 40:86-91. 🇨🇴

IJSEM list: Oren A, Garrity GM. Validation list no. 187. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2019; 69:1247-1250.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Notes:
  • 😢 The terminology used by the authors is in line with many other taxonomic studies and does not negatively affect their main results; some improvements may nevertheless be possible. Contrasting the term "chemotaxonomic" with "phenotypic" is not recommended. Whether taxa can have "members" is debatable. See the LPSN phylogeny page for details. Publication: Göker M. What can genome analysis offer for bacteria? In: Bridge P, Smith D, Stackebrandt E (eds), Trends in the systematics of bacteria and fungi, CAB International, Wallingford, 2021, p. 255-281. 🇬🇧
  • 🎓 Name mentioned 1 time in PubMed until 2025-06-04.

Parent taxon: Thermoanaerobacterium Lee et al. 1993

Assigned by: Lopez G, Canas-Duarte SJ, Pinzon-Velasco AM, Vega-Vela NE, Rodriguez M, Restrepo S, Baena S. Description of a new anaerobic thermophilic bacterium, Thermoanaerobacterium butyriciformans sp. nov. Syst Appl Microbiol 2017; 40:86-91. 🇨🇴

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Record number: 795508