Name: Stygiolobus azoricus Segerer et al. 1991

Category: Species

Proposed as: sp. nov.

Etymology: a.zo’ri.cus. N.L. masc. adj. azoricus, from the Azores, referring to the place of isolation

Gender: masculine

Type strain: DSM 6296; FC6; JCM 9021

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: D85520 Analyse FASTA

Valid publication: Segerer AH, Trincone A, Gahrtz M, Stetter KO. Stygiolobus azoricus gen. nov., sp. nov. represents a novel genus of anaerobic, extremely thermoacidophilic archaebacteria of the order Sulfolobales. Int. J. Syst. Bacteriol. 1991; 41:495-501.

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 41, part 4 of the IJSB. Int J Syst Bacteriol 1992; 42:192.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Emendations:
  • Sakai et al. 2022 Sakai HD, Nakamura K, Kurosawa N. Stygiolobus caldivivus sp. nov., a facultatively anaerobic hyperthermophilic archaeon isolated from the Unzen hot spring in Japan. Int J Syst Evol Microbiol 2022; 72:5486. Oren A, Göker M. Notification list. Notification that new names and new combinations have appeared in volume 72, part 8 of the IJSEM. Int J Syst Evol Microbiol 2022; 72:5644.

• Notes:
  • Nomenclatural type of the genus Stygiolobus Segerer et al. 1991. Publication: Segerer AH, Trincone A, Gahrtz M, Stetter KO. Stygiolobus azoricus gen. nov., sp. nov. represents a novel genus of anaerobic, extremely thermoacidophilic archaebacteria of the order Sulfolobales. Int. J. Syst. Bacteriol. 1991; 41:495-501.

Parent taxon: Stygiolobus Segerer et al. 1991

Assigned by: Segerer AH, Trincone A, Gahrtz M, Stetter KO. Stygiolobus azoricus gen. nov., sp. nov. represents a novel genus of anaerobic, extremely thermoacidophilic archaebacteria of the order Sulfolobales. Int. J. Syst. Bacteriol. 1991; 41:495-501.

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Record number: 782278