Name: Parageobacillus yumthangensis (Najar et al. 2018) Najar et al. 2020

Category: Species

Proposed as: comb. nov.

Basonym: Geobacillus yumthangensis Najar et al. 2018

Etymology: yum.thang.en’sis. N.L. masc. adj. yumthangensis, referring to Yumthang

Pronunciation (Latin), gender: pa-ra-ge-o-ba-KIL-lus yum-t^han͡g-EN-sis, masculine

Type strain: AYN2; JCM 32596; KCTC 33950; MTCC 12769

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: MG603320 Analyse FASTA

Valid publication: Najar IN, Das S, Thakur N. Reclassification of Geobacillus galactosidasius and Geobacillus yumthangensis as Parageobacillus galactosidasius comb. nov. and Parageobacillus yumthangensis comb. nov., respectively. Int J Syst Evol Microbiol 2020; 70:6518-6523. 🇮🇳

IJSEM list: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 70, part 12 of the IJSEM. Int J Syst Evol Microbiol 2021; 71:4656.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Synonyms:

  • Name	Kind
    Geobacillus yumthangensis Najar et al. 2018	homotypic synonym, validly published under the ICNP

• Notes:
  • 😩 Deposit incorrectly indicated in some sources as representing the type strain of this taxon: MTCC 12749.
  • 😷 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.
  • 🎓 Name mentioned 1 time in PubMed until 2026-06-11.

Parent taxon: Parageobacillus Aliyu et al. 2019

Assigned by: Najar IN, Das S, Thakur N. Reclassification of Geobacillus galactosidasius and Geobacillus yumthangensis as Parageobacillus galactosidasius comb. nov. and Parageobacillus yumthangensis comb. nov., respectively. Int J Syst Evol Microbiol 2020; 70:6518-6523. 🇮🇳

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Record number: 14648