Name: "Aerobacillus polymyxa" (Prazmowski 1880) Donker 1926

Category: Species

Proposed as: comb. nov.

Basonym: "Clostridium polymyxa" Prazmowski 1880

Etymology: po.ly.my’xa. N.L. fem. n. polymyxa, nominative in apposition

Pronunciation, gender: po-ly-MY-xa, masculine

Nomenclatural type: ATCC 842; CCUG 7426; CFBP 4258; CIP 66.22; DSM 36; HAMBI 1897; HAMBI 635; IFO 15309; JCM 2507; LMG 13294; NBIMCC 3664; NBRC 15309; NCCB 24016; NCTC 10343; NRRL B-4317; VKM B-5; VKM B-514

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AJ320493 Analyse FASTA

Original publication: Donker HJL. Bijdrage tot de kennis der boterzuur-butylalcohlen acetongistingen. W. D. Meinema, Delft, 1926.

Nomenclatural status: not validly published

Taxonomic status: synonym (and no standing)

Correct name: Paenibacillus polymyxa (Prazmowski 1880) Ash et al. 1994

Risk group: 1

• Synonyms:

  • Name	Kind
    "Clostridium polymyxa" Prazmowski 1880	homotypic synonym, not validly published, basonym of name in Approved Lists
    Paenibacillus jamilae Aguilera et al. 2001	heterotypic synonym, validly published under the ICNP
    Paenibacillus polymyxa (Prazmowski 1880) Ash et al. 1994	homotypic synonym, validly published under the ICNP
    Bacillus polymyxa (Prazmowski 1880) Macé 1889 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP

• Notes:
  • 🥇 Nomenclatural type of the genus "Aerobacillus" Donker 1926. Publication: Donker HJL. Bijdrage tot de kennis der boterzuur-butylalcohlen acetongistingen. W. D. Meinema, Delft, 1926.
  • ⏰ According to Kwak et al. (2020), this species is an earlier heterotypic synonym of Paenibacillus jamilae Aguilera et al. 2001. Publication: Kwak MJ, Choi SB, Ha SM, Kim EH, Kim BY, Chun J. Genome-based reclassification of Paenibacillus jamilae Aguilera et al. 2001 as a later heterotypic synonym of Paenibacillus polymyxa (Prazmowski 1880) Ash et al. 1994. Int J Syst Evol Microbiol 2020; 70:3134-3138.
  • 🏢 Synonymy of this taxon was mentioned in an IJSEM list. Publication: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 70, part 5 of the IJSEM. Int J Syst Evol Microbiol 2020; 70:4421-4424.
  • 😷 The risk group for Belgium has been imported on 2024-02-01. The full classification is: risk group = 1, note = "plant pathogen - biological class of risk plant: 2". — The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Animal classification RG: 1 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 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.

Parent taxon: "Aerobacillus" Donker 1926

Assigned by: Donker HJL. Bijdrage tot de kennis der boterzuur-butylalcohlen acetongistingen. W. D. Meinema, Delft, 1926.

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Record number: 2912