Name: Geodermatophilus obscurus Luedemann 1968 (Approved Lists 1980)

Category: Species

Proposed as: sp. nov.

Etymology: obs.cu’rus. L. masc. adj. obscurus, dark, obscure, indistinct

Pronunciation, gender: obs-KU-rus, masculine

Type strain: ATCC 25078; DSM 43160; G-20; IFO 13315; JCM 3152; NBRC 13315; NRRL B-3577; VKM Ac-658

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: X92356 Analyse FASTA

Effective publication: Luedemann GM. Geodermatophilus, a new genus of the Dermatophilaceae (Actinomycetales). J Bacteriol 1968; 96:1848-1858.

IJSEM list: Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• 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:
  • 🥇 Nomenclatural type of the genus Geodermatophilus Luedemann 1968 (Approved Lists 1980). Publication: Luedemann GM. Geodermatophilus, a new genus of the Dermatophilaceae (Actinomycetales). J Bacteriol 1968; 96:1848-1858.
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No". — The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 1. — 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 20 times in PubMed until 2025-06-04.
  • 🧍 The genome of the type strain was sequenced as part of the GEBA (Genomic Encyclopedia of Bacteria and Archaea) project. Publication: Ivanova N, Sikorski J, Jando M, Munk C, Lapidus A, Glavina Del Rio T, Copeland A, Tice H, Cheng JF, Lucas S, et al. Complete genome sequence of Geodermatophilus obscurus type strain (G-20). Stand Genomic Sci 2010; 2:158-167.

Subdivision:

Number of child taxa with a validly published and correct name: 0
Number of child taxa with a validly published name, including synonyms: 0
Total number of child taxa: 2

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    "Geodermatophilus obscurus subsp. amargosae" Luedemann 1968	not validly published	synonym
    "Geodermatophilus obscurus subsp. dictyosporus" Luedemann 1968	not validly published	synonym

Parent taxon: Geodermatophilus Luedemann 1968 (Approved Lists 1980)

Assigned by: Luedemann GM. Geodermatophilus, a new genus of the Dermatophilaceae (Actinomycetales). J Bacteriol 1968; 96:1848-1858.

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Record number: 776477