Name: Halosimplex carlsbadense Vreeland et al. 2003

Category: Species

Proposed as: sp. nov.

Etymology: carls.bad.en’se. N.L. neut. adj. carlsbadense, pertaining to Carlsbad, isolated near Carlsbad, New Mexico, USA.

Gender: neuter

Type strain: 2-9-1; ATCC BAA-75; JCM 11222

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB072816 Analyse FASTA

Effective publication: Vreeland RH, Straight S, Krammes J, Dougherty K, Rosenzweig WD, Kamekura M. Halosimplex carlsbadense gen. nov., sp. nov., a unique halophilic archaeon, with three 16S rRNA genes, that grows only in defined medium with glycerol and acetate or pyruvate. Extremophiles 2002; 6:445-452.

IJSEM list: Euzeby JP. Validation list no. 92. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2003; 53:935-937.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Notes:
  • 🥇 Nomenclatural type of the genus Halosimplex Vreeland et al. 2003. Publication: Vreeland RH, Straight S, Krammes J, Dougherty K, Rosenzweig WD, Kamekura M. Halosimplex carlsbadense gen. nov., sp. nov., a unique halophilic archaeon, with three 16S rRNA genes, that grows only in defined medium with glycerol and acetate or pyruvate. Extremophiles 2002; 6:445-452.
  • 😷 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.
  • 🎓 Name mentioned 6 times in PubMed until 2024-03-28.
  • 🧍 In the effective publication the strain ATCC BAA-75 is erroneously cited as ATCC BAA 75. Publication: Euzeby JP. Validation list no. 92. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2003; 53:935-937.

Parent taxon: Halosimplex Vreeland et al. 2003

Assigned by: Vreeland RH, Straight S, Krammes J, Dougherty K, Rosenzweig WD, Kamekura M. Halosimplex carlsbadense gen. nov., sp. nov., a unique halophilic archaeon, with three 16S rRNA genes, that grows only in defined medium with glycerol and acetate or pyruvate. Extremophiles 2002; 6:445-452.

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Record number: 783981