Name: Oceanisphaera ostreae Choi et al. 2011

Category: Species

Proposed as: sp. nov.

Etymology: os’tre.ae. L. gen. fem. n. ostreae, of/from an oyster

Pronunciation (Latin), gender: o-ke-a-ni-SP^HA͡E-ra OS-tre-a͡e, feminine

Type strain: CCUG 60525; KCTC 23422; T-w6

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: HQ340607 Analyse FASTA

Valid publication: Choi WC, Kang SJ, Jung YT, Oh TK, Yoon JH. Oceanisphaera ostreae sp. nov., isolated from seawater of an oyster farm, and emended description of the genus Oceanisphaera Romanenko et al. 2003. Int J Syst Evol Microbiol 2011; 61:2880-2884. 🇰🇷

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 61, part 12 of the IJSEM. Int J Syst Evol Microbiol 2012; 62:476-477.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Notes:
  • 🧬 The phylogenomic assignment score of this taxon is 0.04512 (N = 3).
  • 😷 The risk group for Germany has been imported on 2026-08-13. The full classification is: risk group = 1. — If in doubt, use the risk group given in the regulations for your country and, if these are not available, use the risk group given in the catalogue of the culture collection from which you have obtained or intend to obtain the strain.
  • 🎓 Name mentioned 5 times in PubMed until 2026-06-11.

Parent taxon: Oceanisphaera Romanenko et al. 2003

Assigned by: Choi WC, Kang SJ, Jung YT, Oh TK, Yoon JH. Oceanisphaera ostreae sp. nov., isolated from seawater of an oyster farm, and emended description of the genus Oceanisphaera Romanenko et al. 2003. Int J Syst Evol Microbiol 2011; 61:2880-2884. 🇰🇷

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Record number: 789595