Name: Hungateiclostridium mesophilum Rettenmaier et al. 2019

Category: Species

Proposed as: sp. nov.

Etymology: me.so’phi.lum. N.L. neut. adj. mesophilum, mesophilic

Gender: neuter

Type strain: CECT 9704; DSM 107956; N2K1

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: MK138666 Analyse FASTA

Valid publication: Rettenmaier R, Gerbaulet M, Liebl W, Zverlov VV. Hungateiclostridium mesophilum sp. nov., a mesophilic, cellulolytic and spore-forming bacterium isolated from a biogas fermenter fed with maize silage. Int J Syst Evol Microbiol 2019; 69:3567-3573.

IJSEM list: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 69, part 11 of the IJSEM. Int J Syst Evol Microbiol 2020; 70:705-707.

Nomenclatural status: validly published under the ICNP, illegitimate name

Taxonomic status: synonym

Correct name: Acetivibrio mesophilus (Rettenmaier et al. 2019) Tindall 2019

• Synonyms:

  • Name	Kind
    Acetivibrio mesophilus (Rettenmaier et al. 2019) Tindall 2019	homotypic synonym, validly published under the ICNP

• Notes:
  • 🎓 Name mentioned 2 times in PubMed until 2024-03-27.
  • 🧍 Hungateiclostridium mesophilum Rettenmaier et al. 2019 is illegitimate because its genus name is illegitimate. Publication: Tindall BJ. The names Hungateiclostridium Zhang et al. 2018, Hungateiclostridium thermocellum (Viljoen et al. 1926) Zhang et al. 2018, Hungateiclostridium cellulolyticum (Patel et al. 1980) Zhang et al. 2018, Hungateiclostridium aldrichii (Yang et al. 1990) Zhang et al. 2018, Hungateiclostridium alkalicellulosi (Zhilina et al. 2006) Zhang et al. 2018, Hungateiclostridium clariflavum (Shiratori et al. 2009) Zhang et al. 2018, Hungateiclostridium straminisolvens (Kato et al. 2004) Zhang et al. 2018 and Hungateiclostridium saccincola (Koeck et al. 2016) Zhang et al. 2018 contravene Rule 51b of the International Code of Nomenclature of Prokaryotes and require replacement names in the genus Acetivibrio Patel et al. 1980. Int J Syst Evol Microbiol 2019; 69:3927-3932.

Parent taxon: Hungateiclostridium Zhang et al. 2018

Assigned by: Rettenmaier R, Gerbaulet M, Liebl W, Zverlov VV. Hungateiclostridium mesophilum sp. nov., a mesophilic, cellulolytic and spore-forming bacterium isolated from a biogas fermenter fed with maize silage. Int J Syst Evol Microbiol 2019; 69:3567-3573.

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Record number: 5588