Name: Ectothiorhodospira halochloris Imhoff and Trüper 1979 (Approved Lists 1980)

Category: Species

Proposed as: sp. nov.

Etymology: ha.lo.chlo’ris. Gr. masc. n. hals (gen. halos), salt; Gr. masc. adj. chlôros, green; N.L. fem. adj. halochloris, green-colored and from salt lakes

Pronunciation (Latin), gender: ek-to-t^hi-o-r^ho-do-SPI-ra ha-lo-K^HLO-ris, feminine

Type strain: A; ATCC 35916; BN 9850; DSM 1059

Conduct genome-based taxonomy at

16S rRNA gene: M59152 Analyse FASTA

Effective publication: Imhoff JF, Trüper HG. Ectothiorhodospira halochloris sp. nov., a new extremely halophilic phototrophic bacterium containing bacteriochlorophyll b. Archives of. Microbiology 1977; 114:114-121.

IJSEM list: Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym

Correct name: Halorhodospira halochloris (Imhoff and Trüper 1979) Imhoff and Süling 1997

Risk group: 1

• Synonyms:

  • Name	Kind
    Halorhodospira halochloris (Imhoff and Trüper 1979) Imhoff and Süling 1997	homotypic synonym, validly published under the ICNP
    "Halochlorospira halochloris" (Imhoff and Trüper 1979) Imhoff et al. 2022	homotypic synonym, not validly published

• Notes:
  • ❗ Ectothiorhodospira halochloris is the correct name instead if this species is regarded as a separate species (i.e., if its nomenclatural type is not assigned to another species whose name is validly published, legitimate and not rejected and has priority) within a separate genus Ectothiorhodospira.
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No". — 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 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 6 times in PubMed until 2026-06-11.

Parent taxon: Ectothiorhodospira Pelsh 1936 (Approved Lists 1980)

Assigned by: Imhoff JF, Trüper HG. Ectothiorhodospira halochloris sp. nov., a new extremely halophilic phototrophic bacterium containing bacteriochlorophyll b. Archives of. Microbiology 1977; 114:114-121.

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Record number: 775870