Name: "Paenalicyclobacillus macrosporangiidus" (Goto et al. 2007) Sinninghe Damsté et al. 2025

Category: Species

Proposed as: comb. nov.

Basonym: Alicyclobacillus macrosporangiidus Goto et al. 2007

Etymology: ma.cro.spo.ran.gi’i.dus. Gr. masc. adj. makros, big; N.L. neut. n. sporangium, sporangia; L. suff. -idus, suffix expressing a quality or tendency; N.L. masc. adj. macrosporangiidus, having large sporangia

Pronunciation (Latin), gender: … ma-kro-spo-ran-GI-i-dus, masculine

Nomenclatural type: 5A-239-20-AT; 5-A239-2O-A; DSM 17980; IAM 15370; JCM 21814

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB264025 Analyse FASTA

Original publication: Sinninghe Damste JS, Villanueva L, Pukall R. A chemotaxonomic and phylogenomic re-evaluation of the genus Alicyclobacillus: A proposal for reclassification of about half of the species into the new genus, Paenalicyclobacillus gen. nov., with an emended description of the genus Alicyclobacillus, and recognition that the names Alicyclobacillus tengchongensis and Alicyclobacillus montanus are later heterotypic synonyms of Alicyclobacillus tolerans. Syst Appl Microbiol 2025; 48:126651. 🇳🇱

Nomenclatural status: not validly published

Taxonomic status: synonym (and no standing)

Correct name: Alicyclobacillus macrosporangiidus Goto et al. 2007

• Synonyms:

  • Name	Kind
    Alicyclobacillus macrosporangiidus Goto et al. 2007	homotypic synonym, validly published under the ICNP

Parent taxon: "Paenalicyclobacillus" Sinninghe Damsté et al. 2025

Assigned by: Sinninghe Damste JS, Villanueva L, Pukall R. A chemotaxonomic and phylogenomic re-evaluation of the genus Alicyclobacillus: A proposal for reclassification of about half of the species into the new genus, Paenalicyclobacillus gen. nov., with an emended description of the genus Alicyclobacillus, and recognition that the names Alicyclobacillus tengchongensis and Alicyclobacillus montanus are later heterotypic synonyms of Alicyclobacillus tolerans. Syst Appl Microbiol 2025; 48:126651. 🇳🇱

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Record number: 68889