Name: Geodermatophilus dictyosporus Montero-Calasanz et al. 2015

Category: Species

Proposed as: sp. nov.

Etymology: dic.ty.o’spo.rus. N.L. masc. adj. suff. -sporus; N.L. masc. adj. dictyosporus

Pronunciation, gender: dik-ty-O-spo-rus, masculine

Type strain: CCUG 62970; DSM 43161; G-5; MTCC 11558

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: HF970584 Analyse FASTA

Effective publication: Montero-Calasanz Mdel C, Hezbri K, Goker M, Sghaier H, Rohde M, Sproer C, Schumann P, Klenk HP. Description of gamma radiation-resistant Geodermatophilus dictyosporus sp. nov. to accommodate the not validly named Geodermatophilus obscurus subsp. dictyosporus (Luedemann, 1968). Extremophiles 2015; 19:77-85.

IJSEM list: Oren A, Garrity GM. Validation list no. 163. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2015; 65:1105-1111.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Synonyms:

  • Name	Kind
    "Geodermatophilus obscurus subsp. dictyosporus" Luedemann 1968	homotypic synonym, not validly published, distinct rank

• Emendations:
  • Montero-Calasanz et al. 2017 Montero-Calasanz MDC, Meier-Kolthoff JP, Zhang DF, Yaramis A, Rohde M, Woyke T, Kyrpides NC, Schumann P, Li WJ, Goker M. Genome-Scale Data Call for a Taxonomic Rearrangement of Geodermatophilaceae. Front Microbiol 2017; 8:2501. Oren A, Garrity GM. List of changes in taxonomic opinion no. 28. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2018; 68:2137-2138.

• Notes:
  • 😷 The risk group for Germany has been imported on 2023-10-29. 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 2025-06-04.
  • 🪓 Organisms assigned to this species have previously been classified as Geodermatophilus obscurus Luedemann 1968 (Approved Lists 1980). Publication: Luedemann GM. Geodermatophilus, a new genus of the Dermatophilaceae (Actinomycetales). J Bacteriol 1968; 96:1848-1858. Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.
  • 🧍 The genome of the type strain was sequenced as part of the GEBA (Genomic Encyclopedia of Bacteria and Archaea) project. Publication: Nouioui I, Carro L, Garcia-Lopez M, Meier-Kolthoff JP, Woyke T, Kyrpides NC, Pukall R, Klenk HP, Goodfellow M, Goker M. Genome-Based Taxonomic Classification of the Phylum Actinobacteria. Front Microbiol 2018; 9:2007.

Parent taxon: Geodermatophilus Luedemann 1968 (Approved Lists 1980)

Assigned by: Montero-Calasanz Mdel C, Hezbri K, Goker M, Sghaier H, Rohde M, Sproer C, Schumann P, Klenk HP. Description of gamma radiation-resistant Geodermatophilus dictyosporus sp. nov. to accommodate the not validly named Geodermatophilus obscurus subsp. dictyosporus (Luedemann, 1968). Extremophiles 2015; 19:77-85.

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Record number: 792703