Name: Thermoclostridium stercorarium subsp. leptospartum (Toda et al. 1989) Zhang et al. 2018

Category: Subspecies

Proposed as: comb. nov.

Basonym: Thermobacteroides leptospartum Toda et al. 1989

Etymology: lep.to.spar’tum. Gr. masc. adj. leptos, thin; Gr. neut. n. sparton, rope; N.L. neut. n. leptospartum, thin rope

Pronunciation (Latin), gender: t^her-mo-klos-TRI-di-um ster-ko-RA-ri-um lep-to-SPAR-tum, neuter

Type strain: ATCC 51338; C-17-70; DSM 9219; IAM 13499; JCM 9762

Conduct genome-based taxonomy at

16S rRNA gene: AB572913 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

Taxonomic status: correct name (and explicitly recommended for medical use)

Risk group: 1

• Synonyms:

  • Name	Kind
    Clostridium stercorarium subsp. leptospartum (Toda et al. 1989) Fardeau et al. 2001	homotypic synonym, validly published under the ICNP
    Thermobacteroides leptospartum Toda et al. 1989	homotypic synonym, validly published under the ICNP, distinct rank

• 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.
  • 🙆 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as the name to be applied to this subspecies. The name is on LoRN because of the recorded risk group of the genus.

Parent taxon: Thermoclostridium stercorarium (Madden 1983) 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: 798378