Name: Nitrososphaera viennensis Stieglmeier et al. 2014

Category: Species

Proposed as: sp. nov.

Etymology: vi.en.nen’sis. N.L. masc./fem. adj. viennensis, from Vienna, where the type strain was isolated and characterized

Gender: feminine

Type strain: DSM 26422; EN76; JCM 19564; JMC 19564

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: FR773157 Analyse FASTA

Valid publication: Stieglmeier M, Klingl A, Alves RJ, Rittmann SK, Melcher M, Leisch N, Schleper C. Nitrososphaera viennensis gen. nov., sp. nov., an aerobic and mesophilic, ammonia-oxidizing archaeon from soil and a member of the archaeal phylum Thaumarchaeota. Int J Syst Evol Microbiol 2014; 64:2738-2752.

IJSEM list: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 64, part 8 of the IJSEM. Int J Syst Evol Microbiol 2014; 64:3607-3609.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Synonyms:

  • Name	Kind
    "Candidatus Nitrososphaera viennensis" Tourna et al. 2011	homotypic synonym, not validly published

• Notes:
  • 🥇 Nomenclatural type of the genus Nitrososphaera Stieglmeier et al. 2014. Publication: Stieglmeier M, Klingl A, Alves RJ, Rittmann SK, Melcher M, Leisch N, Schleper C. Nitrososphaera viennensis gen. nov., sp. nov., an aerobic and mesophilic, ammonia-oxidizing archaeon from soil and a member of the archaeal phylum Thaumarchaeota. Int J Syst Evol Microbiol 2014; 64:2738-2752.
  • 😷 The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1.
  • 🎓 Name mentioned 35 times in PubMed until 2024-03-27.

Parent taxon: Nitrososphaera Stieglmeier et al. 2014

Assigned by: Stieglmeier M, Klingl A, Alves RJ, Rittmann SK, Melcher M, Leisch N, Schleper C. Nitrososphaera viennensis gen. nov., sp. nov., an aerobic and mesophilic, ammonia-oxidizing archaeon from soil and a member of the archaeal phylum Thaumarchaeota. Int J Syst Evol Microbiol 2014; 64:2738-2752.

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Record number: 792004