Species Caldanaerobacter subterraneus

Name: Caldanaerobacter subterraneus (Fardeau et al. 2000) Fardeau et al. 2004

Category, proposed as: species, comb. nov.

Basonym: Thermoanaerobacter subterraneus Fardeau et al. 2000

Etymology: sub.ter.ra’ne.us. L. prep. sub, less than; L. fem. n. terra, earth; L. masc. adj. subterraneus, underground, subterranean, describing its site of isolation

Pronunciation (Latin), gender: kald-an-a-e-ro-BAK-ter sub-ter-RA-ne-us, masculine

Type strain: 7858; ATCC BAA-225; CNCM I-2383; DSM 13054; SEBR 7858

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AF195797 Analyse FASTA

Valid publication: Fardeau ML, Bonilla Salinas M, L'Haridon S, Jeanthon C, Verhe F, Cayol JL, Patel BK, Garcia JL, Ollivier B. Isolation from oil reservoirs of novel thermophilic anaerobes phylogenetically related to Thermoanaerobacter subterraneus: reassignment of T. subterraneus, Thermoanaerobacter yonseiensis, Thermoanaerobacter tengcongensis and Carboxydibrachium pacificum to Caldanaerobacter subterraneus gen. nov., sp. nov., comb. nov. as four novel subspecies. Int J Syst Evol Microbiol 2004; 54:467-474. 🇫🇷

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 54, part 2 of the IJSEM. Int J Syst Evol Microbiol 2004; 54:1007-1009.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Synonyms:

  • Name	Kind
    Thermoanaerobacter subterraneus Fardeau et al. 2000	homotypic synonym, validly published under the ICNP

• Notes:
  • 🥇 Nomenclatural type of the genus Caldanaerobacter Fardeau et al. 2004. Publication: Fardeau ML, Bonilla Salinas M, L'Haridon S, Jeanthon C, Verhe F, Cayol JL, Patel BK, Garcia JL, Ollivier B. Isolation from oil reservoirs of novel thermophilic anaerobes phylogenetically related to Thermoanaerobacter subterraneus: reassignment of T. subterraneus, Thermoanaerobacter yonseiensis, Thermoanaerobacter tengcongensis and Carboxydibrachium pacificum to Caldanaerobacter subterraneus gen. nov., sp. nov., comb. nov. as four novel subspecies. Int J Syst Evol Microbiol 2004; 54:467-474. 🇫🇷
  • 🎓 Name mentioned 29 times in PubMed until 2026-06-11.
  • 🧍 CNCM is solely set up to deal with deposits on a confidential basis (i.e. patent deposits under the Budapest Treaty). Strain CNCM I-2383 is probably a patent deposit. Publication: Euzeby JP. List of Bacterial Names with Standing in Nomenclature: a folder available on the Internet. Int J Syst Bacteriol 1997; 47:590-592. 🇫🇷

Subdivision:

Number of child taxa with a validly published and correct name: 3
Number of child taxa with a validly published name, including synonyms: 4
Total number of child taxa: 6

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    "Caldanaerobacter subterraneus subsp. keratinolyticus" Mashzhan et al. 2024	not validly published	preferred name
    "Caldanaerobacter subterraneus subsp. pacificum" (Sokolova et al. 2001) Bing 2024	not validly published	synonym
    Caldanaerobacter subterraneus subsp. pacificus (Sokolova et al. 2001) Fardeau et al. 2004	validly published under the ICNP, illegitimate name	synonym
    Caldanaerobacter subterraneus subsp. subterraneus (Fardeau et al. 2000) Fardeau et al. 2004	validly published under the ICNP	correct name
    Caldanaerobacter subterraneus subsp. tengcongensis (Xue et al. 2001) Fardeau et al. 2004	validly published under the ICNP	correct name
    Caldanaerobacter subterraneus subsp. yonseiensis (Kim et al. 2001) Fardeau et al. 2004	validly published under the ICNP	correct name

Parent taxon: Caldanaerobacter Fardeau et al. 2004

Assigned by: Fardeau ML, Bonilla Salinas M, L'Haridon S, Jeanthon C, Verhe F, Cayol JL, Patel BK, Garcia JL, Ollivier B. Isolation from oil reservoirs of novel thermophilic anaerobes phylogenetically related to Thermoanaerobacter subterraneus: reassignment of T. subterraneus, Thermoanaerobacter yonseiensis, Thermoanaerobacter tengcongensis and Carboxydibrachium pacificum to Caldanaerobacter subterraneus gen. nov., sp. nov., comb. nov. as four novel subspecies. Int J Syst Evol Microbiol 2004; 54:467-474. 🇫🇷

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Record number: 774333