Species Thiobacillus neapolitanus

Name: Thiobacillus neapolitanus Parker 1957 (Approved Lists 1980)

Category, proposed as: species, sp. nov.

Etymology: ne.a.po.li.ta’nus. L. masc. adj. neapolitanus, Neapolitan, pertaining to the seawater at Naples from which this species was probably first isolated by Nathansohn in 1902

Pronunciation (Latin), gender: t^hi-o-ba-KIL-lus ne-a-po-li-TA-nus, masculine

Type strain: CIP 104769; DSM 15147; NCIB 8539; NCIMB 8539; Parker strain X

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: JN175334 Analyse FASTA

Effective publication: Parker CD. Genus V. Thiobacillus Beijerinck 1904. In: Breed RS, Murray EGD, Smith NR (eds), Bergey's Manual of Determinative Bacteriology, 7th edition, The Williams & Wilkins Co, Baltimore, 1957, p. 83-88.

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: Halothiobacillus neapolitanus (Parker 1957) Kelly and Wood 2000

Risk group: 1

• Synonyms:

  • Name	Kind
    Halothiobacillus neapolitanus (Parker 1957) Kelly and Wood 2000	homotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Thiobacillus neapolitanus 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 Thiobacillus.
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Animal classification RG: 1 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 1". — 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 62 times in PubMed until 2026-06-11.

Parent taxon: Thiobacillus Beijerinck 1904 (Approved Lists 1980)

Assigned by: Parker CD. Genus V. Thiobacillus Beijerinck 1904. In: Breed RS, Murray EGD, Smith NR (eds), Bergey's Manual of Determinative Bacteriology, 7th edition, The Williams & Wilkins Co, Baltimore, 1957, p. 83-88.

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Record number: 782714