Name: "Caldicellulosiruptor obsidiansis" Hamilton-Brehm et al. 2010

Category: Species

Proposed as: sp. nov.

Etymology: ob.si.di.an’sis. N.L. masc. adj. obsidiansis, from Obsidian Pool, Yellowstone National Park, WY [probably better: obsidianensis]

Pronunciation, gender: ob-si-di-AN-sis, masculine

Nomenclatural type: ATCC BAA-2073; JCM 16842; OB47

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: GQ338764 Analyse FASTA

Original publication: Hamilton-Brehm SD, Mosher JJ, Vishnivetskaya T, Podar M, Carroll S, Allman S, Phelps TJ, Keller M, Elkins JG. Caldicellulosiruptor obsidiansis sp. nov., an anaerobic, extremely thermophilic, cellulolytic bacterium isolated from Obsidian Pool, Yellowstone National Park. Appl Environ Microbiol 2010; 76:1014-1020.

Nomenclatural status: not validly published

Taxonomic status: preferred name (not correct name)

• Synonyms:

  • Name	Kind
    "Anaerocellum obsidiansis" (Hamilton-Brehm et al. 2010) Bing 2024	homotypic synonym, not validly published

Parent taxon: Caldicellulosiruptor Rainey et al. 1995

Assigned by: Hamilton-Brehm SD, Mosher JJ, Vishnivetskaya T, Podar M, Carroll S, Allman S, Phelps TJ, Keller M, Elkins JG. Caldicellulosiruptor obsidiansis sp. nov., an anaerobic, extremely thermophilic, cellulolytic bacterium isolated from Obsidian Pool, Yellowstone National Park. Appl Environ Microbiol 2010; 76:1014-1020.

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Record number: 800941