Name: Alkalihalobacillus clausii (Nielsen et al. 1995) Patel and Gupta 2020

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

Gender: masculine

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

Valid publication: Patel S, Gupta RS. A phylogenomic and comparative genomic framework for resolving the polyphyly of the genus Bacillus: Proposal for six new genera of Bacillus species, Peribacillus gen. nov., Cytobacillus gen. nov., Mesobacillus gen. nov., Neobacillus gen. nov., Metabacillus gen. nov. and Alkalihalobacillus gen. nov. Int J Syst Evol Microbiol 2020; 70:406-438.

IJSEM list: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 70, part 1 of the IJSEM. Int J Syst Evol Microbiol 2020; 70:2167-2173.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym

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

• Synonyms:

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

• Notes:
  • ⏰ 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.
  • ❗ Alkalihalobacillus clausii is the correct name instead if this species is regarded as a separate species (i.e., if its nomenclatural type is not assigned to another species whose name is validly published, legitimate and not rejected and has priority) within a separate genus Alkalihalobacillus.
  • 🎓 Name mentioned 12 times in PubMed until 2024-03-28.

Parent taxon: Alkalihalobacillus Patel and Gupta 2020

Assigned by: Patel S, Gupta RS. A phylogenomic and comparative genomic framework for resolving the polyphyly of the genus Bacillus: Proposal for six new genera of Bacillus species, Peribacillus gen. nov., Cytobacillus gen. nov., Mesobacillus gen. nov., Neobacillus gen. nov., Metabacillus gen. nov. and Alkalihalobacillus gen. nov. Int J Syst Evol Microbiol 2020; 70:406-438.

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Record number: 7356