Species Melissococcus plutonius

Name: Melissococcus plutonius corrig. (ex White 1912) Bailey and Collins 1983

Category, proposed as: species, sp. nov., nom. rev.

Etymology: plu.to’ni.us. N.L. masc. adj. plutonius, of or belonging to Pluto (the king of the Lower World)

Pronunciation (Latin), gender: me-lis-so-KOK-kus plu-TO-ni-us, masculine

Type strain: ATCC 35311; CIP 104052; LMG 20360; NCDO 2443; NCFB 2443; NCIMB 702443

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB614100 Analyse FASTA

Effective publication: Bailey L, Collins MD. Reclassification of "Streptococcus pluton" (White) in a new genus Melissococcus as Melissococcus pluton nom. rev.; comb. nov. J. Appl. Bacteriol. 1982; 53:215-217. 🇬🇧

IJSEM list: Anonymous. Validation list no. 11. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1983; 33:672-674.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name (and explicitly recommended for medical use)

Risk group: 2

• Synonyms:

  • Name	Kind
    Melisococcus plutonius (ex White 1912) Bailey and Collins 1983	other spelling of name, inaccurate spelling
    Melissococcus pluton (ex White 1912) Bailey and Collins 1983	other spelling of name, inaccurate spelling
    Melisococcus plutonis (ex White 1912) Bailey and Collins 1983	other spelling of name, inaccurate spelling

• Notes:
  • 🥇 Nomenclatural type of the genus Melissococcus corrig. Bailey and Collins 1983. Publication: Bailey L, Collins MD. Reclassification of "Streptococcus pluton" (White) in a new genus Melissococcus as Melissococcus pluton nom. rev.; comb. nov. J. Appl. Bacteriol. 1982; 53:215-217. 🇬🇧
  • 😷 The risk group for Belgium has been imported on 2024-02-05. The full classification is: risk group = 1, note = "animal pathogen - biological class of risk animal: 3". — The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Animal classification RG: 2 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 2". — The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 2, note = "PI". — The risk group for Germany has been imported on 2026-08-13. The full classification is: risk group = 1, note = "n2". — 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 119 times in PubMed until 2026-06-11.
  • 🙆 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as the name to be applied to this species. The name is on LoRN because of the recorded risk group of the species itself.
  • 🧍 Should read Melissococcus pluton in Validation List No. 11. Publication: Anonymous. Validation list no. 11. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1983; 33:672-674.
  • 🧍 Nom. rev. / basonym "Streptococcus pluton"; misspelled Melisococcus in Validation List No. 11; nom. corrig.: IJSB 48:615; Melissococcus pluton (sic). Publication: Trüper HG, De' Clari L. Taxonomic note: erratum and correction of further specific epithets formed as substantives (nouns) "in apposition". Int. J. Syst. Bacteriol. 1998; 48:615. 🇩🇪
  • 🧍 On the Validation List no. 11, this name is incorrectly cited as Melisococcus (sic) pluton. Publication: Euzeby JP, Kudo T. Corrigenda to the validation lists. Int J Syst Evol Microbiol 2001; 51:1933-1938. 🇫🇷
  • 🧍 The original spelling of the specific epithet, pluton (sic), has been corrected by Trüper and De' Clari 1998. Publication: Trüper HG, De' Clari L. Taxonomic note: erratum and correction of further specific epithets formed as substantives (nouns) "in apposition". Int. J. Syst. Bacteriol. 1998; 48:615. 🇩🇪

Parent taxon: Melissococcus corrig. Bailey and Collins 1983

Assigned by: Bailey L, Collins MD. Reclassification of "Streptococcus pluton" (White) in a new genus Melissococcus as Melissococcus pluton nom. rev.; comb. nov. J. Appl. Bacteriol. 1982; 53:215-217. 🇬🇧

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Record number: 784194