Name: Marvinbryantia formatexigens (Wolin et al. 2004) Wolin et al. 2008

Category: Species

Proposed as: comb. nov.

Basonym: Bryantella formatexigens Wolin et al. 2004

Etymology: for.mat.ex’i.gens. N.L. masc. n. formas (gen. formatis), formate; L. pres. part. exigens, demanding; N.L. part. adj. formatexigens, formate-demanding

Gender: feminine

Type strain: CCUG 46960; DSM 14469; I-52

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AJ505973 Analyse FASTA

Valid publication: Wolin MJ, Miller TL, Lawson PA. Proposal to replace the illegitimate genus name Bryantella Wolin et al. 2004VP with the genus name Marvinbryantia gen. nov. and to replace the illegitimate combination Bryantella formatexigens Wolin et al. 2004VP with Marvinbryantia formatexigens comb. nov. Int J Syst Evol Microbiol 2008; 58:742-744.

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 58, part 3 of the IJSEM. Int J Syst Evol Microbiol 2008; 58:1273-1274.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Synonyms:

  • Name	Kind
    Bryantella formatexigens Wolin et al. 2004	homotypic synonym, validly published under the ICNP, illegitimate name

• Notes:
  • 🥇 Nomenclatural type of the genus Marvinbryantia Wolin et al. 2008. Publication: Wolin MJ, Miller TL, Lawson PA. Proposal to replace the illegitimate genus name Bryantella Wolin et al. 2004VP with the genus name Marvinbryantia gen. nov. and to replace the illegitimate combination Bryantella formatexigens Wolin et al. 2004VP with Marvinbryantia formatexigens comb. nov. Int J Syst Evol Microbiol 2008; 58:742-744.
  • 😷 The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1.
  • 🎓 Name mentioned 9 times in PubMed until 2024-03-27.
  • 🧍 Replacement of the illegitimate name Bryantella formatexigens Wolin et al. 2004, which is illegitimate because of precedence of Bryantella Chickering, 1946 (Animalia, Arthropoda, Arachnida, Araneae, Salticidae, Dendryphantinae, Dendryphantini), and a later homonym of Bryantella Britton 1957 (Animalia, Arthropoda, Scarabaeoidea, Scarabaeidae, Melolonthinae). See Principle 2. Consequently, a new species designation Marvinbryantia formatexigens (Wolin et al. 2004) Wolin et al. 2008 has been proposed by Wolin et al. 2008. Publication: Wolin MJ, Miller TL, Collins MD, Lawson PA. Formate-dependent growth and homoacetogenic fermentation by a bacterium from human feces: description of Bryantella formatexigens gen. nov., sp. nov. Appl Environ Microbiol 2003; 69:6321-6326.

Parent taxon: Marvinbryantia Wolin et al. 2008

Assigned by: Wolin MJ, Miller TL, Lawson PA. Proposal to replace the illegitimate genus name Bryantella Wolin et al. 2004VP with the genus name Marvinbryantia gen. nov. and to replace the illegitimate combination Bryantella formatexigens Wolin et al. 2004VP with Marvinbryantia formatexigens comb. nov. Int J Syst Evol Microbiol 2008; 58:742-744.

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Record number: 787817