Name: Thermodesulfovibrio islandicus Sonne-Hansen and Ahring 2000

Category: Species

Proposed as: sp. nov.

Etymology: is.lan’di.cus. N.L. masc. adj. islandicus, pertaining to Iceland, Icelandic

Pronunciation, gender: is-LAN-di-kus, masculine

Type strain: DSM 12570; R1Ha3

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: X96726 Analyse FASTA

Effective publication: Sonne-Hansen J, Ahring BK. Thermodesulfobacterium hveragerdense sp. nov., and Thermodesulfovibrio islandicus sp. nov., two thermophilic sulfate reducing bacteria isolated from a Icelandic hot spring. Syst Appl Microbiol 1999; 22:559-564.

IJSEM list: Anonymous. Validation list no. 74. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2000; 50:949-950.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Emendations:
  • García-López et al. 2019 Garcia-Lopez M, Meier-Kolthoff JP, Tindall BJ, Gronow S, Woyke T, Kyrpides NC, Hahnke RL, Goker M. Analysis of 1,000 Type-Strain Genomes Improves Taxonomic Classification of Bacteroidetes. Front Microbiol 2019; 10:2083. Oren A, Garrity GM. List of changes in taxonomic opinion no. 32. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2020; 70:4061-4090.
    Notes:
    • 🧍 The genome of the type strain was sequenced as part of the GEBA (Genomic Encyclopedia of Bacteria and Archaea) project.

• 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 3 times in PubMed until 2025-06-04.

Parent taxon: Thermodesulfovibrio Henry et al. 1994

Assigned by: Sonne-Hansen J, Ahring BK. Thermodesulfobacterium hveragerdense sp. nov., and Thermodesulfovibrio islandicus sp. nov., two thermophilic sulfate reducing bacteria isolated from a Icelandic hot spring. Syst Appl Microbiol 1999; 22:559-564.

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Record number: 782590