Species Hungateiclostridium aldrichii

Name: Hungateiclostridium aldrichii (Yang et al. 1990) Zhang et al. 2018

Category, proposed as: species, comb. nov.

Basonym: Clostridium aldrichii Yang et al. 1990

Etymology: al.dri’chi.i. N.L. gen. masc. n. aldrichii, of Aldrich, named for Henry C. Aldrich, a professor of the University of Florida, Gainesville, for his contributions to ultrastructural research on strictly anaerobic bacteria

Pronunciation (Latin), gender: hun-ga-te-i-klos-TRI-di-um al-DRI-k^hi-i, neuter

Type strain: ATCC 49358; DSM 6159; OCM 112; OGI 112; P-1

See detailed strain information at

16S rRNA gene: X71846 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, illegitimate name

Taxonomic status: synonym (and not recommended for medical use)

Correct name: Acetivibrio aldrichii (Yang et al. 1990) Tindall 2019

Risk group: 1

• Synonyms:

  • Name	Kind
    Acetivibrio aldrichii (Yang et al. 1990) Tindall 2019	homotypic synonym, validly published under the ICNP
    Clostridium aldrichii Yang et al. 1990	homotypic synonym, validly published under the ICNP

• Notes:
  • 😷 The risk group for Germany has been imported on 2026-08-13. 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 2 times in PubMed until 2026-06-11.
  • 🙅 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as a synonym of the name to be applied to this species. The name is on LoRN because of the recorded risk group of the genus.
  • 🧍 Hungateiclostridium aldrichii (Yang et al. 1990) Zhang et al. 2018 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: 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: 798363