Name: Evansella clarkii (Nielsen et al. 1995) Gupta et al. 2020

Category: Species

Proposed as: comb. nov.

Basonym: Bacillus clarkii Nielsen et al. 1995

Etymology: clar’ki.i. N.L. gen. masc. n. clarkii, of Clark, named after the American bacteriologist Francis E. Clark

Pronunciation, gender: KLAR-ki-i, feminine

Type strain: ATCC 700162; CIP 105301; DSM 8720; LMG 17947; PN-102

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: X76444 Analyse FASTA

Valid publication: Gupta RS, Patel S, Saini N, Chen S. Robust demarcation of 17 distinct Bacillus species clades, proposed as novel Bacillaceae genera, by phylogenomics and comparative genomic analyses: description of Robertmurraya kyonggiensis sp. nov. and proposal for an emended genus Bacillus limiting it only to the members of the Subtilis and Cereus clades of species. Int J Syst Evol Microbiol 2020; 70:5753-5798.

IJSEM list: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 70, part 11 of the IJSEM. Int J Syst Evol Microbiol 2021; 71:4645.

Nomenclatural status: validly published under the ICNP

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

• Synonyms:

  • Name	Kind
    Bacillus clarkii Nielsen et al. 1995	homotypic synonym, validly published under the ICNP

• Notes:
  • 🎓 Name mentioned 3 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: Evansella Gupta et al. 2020

Assigned by: Gupta RS, Patel S, Saini N, Chen S. Robust demarcation of 17 distinct Bacillus species clades, proposed as novel Bacillaceae genera, by phylogenomics and comparative genomic analyses: description of Robertmurraya kyonggiensis sp. nov. and proposal for an emended genus Bacillus limiting it only to the members of the Subtilis and Cereus clades of species. Int J Syst Evol Microbiol 2020; 70:5753-5798.

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Record number: 14750