Name: Shouchella clausii (Nielsen et al. 1995) Joshi et al. 2022

Category: Species

Proposed as: comb. nov.

Basonym: Bacillus clausii Nielsen et al. 1995

Etymology: clau’si.i. N.L. gen. masc. n. clausii, of Claus, named after Dieter Claus, the German bacteriologist who made fundamental contributions to the taxonomy of Bacillus

Pronunciation, gender: … KLA͡U-si-i, feminine

Type strain: ATCC 700160; CCUG 47262; CIP 104718; DSM 8716; LMG 17945; NCIB 10309; NCIMB 10309; PN-23

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: X76440 Analyse FASTA

Effective publication: Joshi A, Thite S, Karodi P, Joseph N, Lodha T. Alkalihalobacterium elongatum gen. nov. sp. nov.: An Antibiotic-Producing Bacterium Isolated From Lonar Lake and Reclassification of the Genus Alkalihalobacillus Into Seven Novel Genera. Front Microbiol 2021; 12:722369. 🇮🇳

IJSEM list: Oren A, Garrity GM. Validation list no. 203. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2022; 72:5167.

Nomenclatural status: validly published under the ICNP

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

• Synonyms:

  • Name	Kind
    Bacillus rhizosphaerae Madhaiyan et al. 2013	heterotypic synonym, validly published under the ICNP
    Shouchella rhizosphaerae (Madhaiyan et al. 2013) Joshi et al. 2022	heterotypic synonym, validly published under the ICNP
    Alkalihalobacillus clausii (Nielsen et al. 1995) Patel and Gupta 2020	homotypic synonym, validly published under the ICNP
    Alkalihalobacillus rhizosphaerae (Madhaiyan et al. 2013) Patel and Gupta 2020	heterotypic synonym, validly published under the ICNP
    Bacillus clausii Nielsen et al. 1995	homotypic synonym, validly published under the ICNP

• Notes:
  • 🥇 Nomenclatural type of the genus Shouchella Joshi et al. 2022. Publication: Joshi A, Thite S, Karodi P, Joseph N, Lodha T. Alkalihalobacterium elongatum gen. nov. sp. nov.: An Antibiotic-Producing Bacterium Isolated From Lonar Lake and Reclassification of the Genus Alkalihalobacillus Into Seven Novel Genera. Front Microbiol 2021; 12:722369. 🇮🇳
  • ⏰ According to Liu et al. (2019), this species is an earlier heterotypic synonym of Alkalihalobacillus rhizosphaerae (Madhaiyan et al. 2013) Patel and Gupta 2020. Publication: Liu GH, Narsing Rao MP, Dong ZY, Wang JP, Che JM, Chen QQ, Sengonca C, Liu B, Li WJ. Genome-based reclassification of Bacillus plakortidis Borchert et al. 2007 and Bacillus lehensis Ghosh et al. 2007 as a later heterotypic synonym of Bacillus oshimensis Yumoto et al. 2005; Bacillus rhizosphaerae Madhaiyan et al. 2011 as a later heterotypic synonym of Bacillus clausii Nielsen et al. 1995. Antonie Van Leeuwenhoek 2019; 112:1725-1730. 🇨🇳
  • ⏰ According to Liu et al. (2019), this species is an earlier heterotypic synonym of Bacillus rhizosphaerae Madhaiyan et al. 2013. Publication: Liu GH, Narsing Rao MP, Dong ZY, Wang JP, Che JM, Chen QQ, Sengonca C, Liu B, Li WJ. Genome-based reclassification of Bacillus plakortidis Borchert et al. 2007 and Bacillus lehensis Ghosh et al. 2007 as a later heterotypic synonym of Bacillus oshimensis Yumoto et al. 2005; Bacillus rhizosphaerae Madhaiyan et al. 2011 as a later heterotypic synonym of Bacillus clausii Nielsen et al. 1995. Antonie Van Leeuwenhoek 2019; 112:1725-1730. 🇨🇳
  • ⏰ According to Liu et al. (2019), this species is an earlier heterotypic synonym of Shouchella rhizosphaerae (Madhaiyan et al. 2013) Joshi et al. 2022. Publication: Liu GH, Narsing Rao MP, Dong ZY, Wang JP, Che JM, Chen QQ, Sengonca C, Liu B, Li WJ. Genome-based reclassification of Bacillus plakortidis Borchert et al. 2007 and Bacillus lehensis Ghosh et al. 2007 as a later heterotypic synonym of Bacillus oshimensis Yumoto et al. 2005; Bacillus rhizosphaerae Madhaiyan et al. 2011 as a later heterotypic synonym of Bacillus clausii Nielsen et al. 1995. Antonie Van Leeuwenhoek 2019; 112:1725-1730. 🇨🇳
  • 🏢 Synonymy of this taxon was mentioned in an IJSEM list. Publication: Oren A, Garrity GM. List of changes in taxonomic opinion no. 32. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2020; 70:4061-4090.
  • 🎓 Name mentioned 11 times in PubMed until 2025-06-04.
  • 🙆 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as the name to be applied to this species. The name is on LoRN because of the recorded risk group of other species in the genus.

Parent taxon: Shouchella Joshi et al. 2022

Assigned by: Joshi A, Thite S, Karodi P, Joseph N, Lodha T. Alkalihalobacterium elongatum gen. nov. sp. nov.: An Antibiotic-Producing Bacterium Isolated From Lonar Lake and Reclassification of the Genus Alkalihalobacillus Into Seven Novel Genera. Front Microbiol 2021; 12:722369. 🇮🇳

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Record number: 26618