Name: Caldanaerobacter subterraneus subsp. pacificus (Sokolova et al. 2001) Fardeau et al. 2004

Category: Subspecies

Proposed as: comb. nov.

Basonym: Carboxydibrachium pacificum corrig. Sokolova et al. 2001

Etymology: pa.ci’fi.cus. L. masc. adj. pacificus, peaceful, pertaining to the Pacific Ocean, from the western part of which the type strain was isolated

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

Type strain: ATCC BAA-271; DSM 12653; JM

Conduct genome-based taxonomy at

16S rRNA gene: AF174484 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, illegitimate name

Taxonomic status: synonym

Correct name: Carboxydibrachium pacificum corrig. Sokolova et al. 2001

Risk group: 1

• Synonyms:

  • Name	Kind
    "Caldanaerobacter subterraneus subsp. pacificum" (Sokolova et al. 2001) Bing 2024	homotypic synonym, not validly published
    Carboxydibrachium pacificum corrig. Sokolova et al. 2001	homotypic synonym, validly published under the ICNP, distinct rank
    Carboxydobrachium pacificum Sokolova et al. 2001	homotypic synonym, inaccurate spelling, distinct rank

• Notes:
  • 😷 The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 1. — 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.
  • 🧍 Caldanaerobacter subterraneus subsp. pacificus (Sokolova et al. 2001) Fardeau et al. 2004 is illegitimate because it is a homotypic synonym of a type species with a genus name that has priority. Publication: Sokolova TG, Gonzalez JM, Kostrikina NA, Chernyh NA, Tourova TP, Kato C, Bonch-Osmolovskaya EA, Robb FT. Carboxydobrachium pacificum gen. nov., sp. nov., a new anaerobic, thermophilic, CO-utilizing marine bacterium from Okinawa Trough. Int J Syst Evol Microbiol 2001; 51:141-149. 🇷🇺

Parent taxon: Caldanaerobacter subterraneus (Fardeau et al. 2000) 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: 774334