Name: Caldisphaera lagunensis Itoh et al. 2003

Category: Species

Proposed as: sp. nov.

Etymology: la.gu.nen’sis. N.L. masc./fem. adj. lagunensis, pertaining to Laguna, the province in the Philippines where the type strain was isolated

Gender: feminine

Type strain: ANMR 165; DSM 15908; IC-154; JCM 11604; MCC-UPLB 1331

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB087499 Analyse FASTA

Valid publication: Itoh T, Suzuki K, Sanchez PC, Nakase T. Caldisphaera lagunensis gen. nov., sp. nov., a novel thermoacidophilic crenarchaeote isolated from a hot spring at Mt Maquiling, Philippines. Int J Syst Evol Microbiol 2003; 53:1149-1154.

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 53, part 4 of the IJSEM. Int J Syst Evol Microbiol 2003; 53:1703-1705.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Notes:
  • 🥇 Nomenclatural type of the genus Caldisphaera Itoh et al. 2003. Publication: Itoh T, Suzuki K, Sanchez PC, Nakase T. Caldisphaera lagunensis gen. nov., sp. nov., a novel thermoacidophilic crenarchaeote isolated from a hot spring at Mt Maquiling, Philippines. Int J Syst Evol Microbiol 2003; 53:1149-1154.
  • 😷 The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1.
  • 🎓 Name mentioned 2 times in PubMed until 2024-03-27.
  • 🧍 The genome of the type strain was sequenced as part of the GEBA (Genomic Encyclopedia of Bacteria and Archaea) project. Publication: Mukherjee S, Seshadri R, Varghese NJ, Eloe-Fadrosh EA, Meier-Kolthoff JP, Goker M, Coates RC, Hadjithomas M, Pavlopoulos GA, Paez-Espino D, et al. 1,003 reference genomes of bacterial and archaeal isolates expand coverage of the tree of life. Nat Biotechnol 2017; 35:676-683.

Parent taxon: Caldisphaera Itoh et al. 2003

Assigned by: Itoh T, Suzuki K, Sanchez PC, Nakase T. Caldisphaera lagunensis gen. nov., sp. nov., a novel thermoacidophilic crenarchaeote isolated from a hot spring at Mt Maquiling, Philippines. Int J Syst Evol Microbiol 2003; 53:1149-1154.

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Record number: 774348