Name: Micromonas micra corrig. (Prévot 1933) Murdoch and Shah 2000

Category: Species

Proposed as: comb. nov.

Basonym: "Streptococcus micros" Prévot 1933

Etymology: mi’cra. N.L. fem. adj. micra, small, little

Gender: feminine

Type strain: ATCC 33270; CCUG 46357; CIP 105294; DSM 20468; GIFU 7824; JCM 12970; NCTC 11808; VPI 5464

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB729072 Analyse FASTA

Effective publication: Murdoch DA, Shah HN. Reclassification of Peptostreptococcus magnus (Prevot 1933) Holdeman and Moore 1972 as Finegoldia magna comb. nov. and Peptostreptococcus micros (Prevot 1933) Smith 1957 as Micromonas micros comb. nov. Anaerobe 1999; 5:555-559.

IJSEM list: Anonymous. Validation list no. 75. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2000; 50:1415-1417.

Nomenclatural status: validly published under the ICNP, illegitimate name

Taxonomic status: synonym

Correct name: Parvimonas micra (Prévot 1933) Tindall and Euzéby 2006

• Synonyms:

  • Name	Kind
    "Diplococcus glycinophilus" Cardon and Barker 1946	heterotypic synonym, not validly published, basonym of name in Approved Lists
    Parvimonas micra (Prévot 1933) Tindall and Euzéby 2006	homotypic synonym, validly published under the ICNP
    Micromonas micros (Prévot 1933) Murdoch and Shah 2000	other spelling of name, inaccurate spelling
    Peptostreptococcus micros (Prévot 1933) Smith 1957 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP
    "Streptococcus micros" Prévot 1933	homotypic synonym, not validly published, basonym of name in Approved Lists
    Peptococcus glycinophilus (Cardon and Barker 1946) Douglas 1957 (Approved Lists 1980)	heterotypic synonym, validly published under the ICNP

• Notes:
  • 🥇 Nomenclatural type of the genus Micromonas Murdoch and Shah 2000. Publication: Murdoch DA, Shah HN. Reclassification of Peptostreptococcus magnus (Prevot 1933) Holdeman and Moore 1972 as Finegoldia magna comb. nov. and Peptostreptococcus micros (Prevot 1933) Smith 1957 as Micromonas micros comb. nov. Anaerobe 1999; 5:555-559.
  • ⏰ According to Cato et al. (1983), this species is an earlier heterotypic synonym of "Diplococcus glycinophilus" Cardon and Barker 1946. Publication: Cato EP, Johnson JL, Hash DE, Holdeman LV. Synonymy of Peptococcus glycinophilus (Cardon and Barker 1946) Douglas 1957 with Peptostreptococcus micros (Prévot 1933) Smith 1957 and electrophoretic differentiation of Peptostreptococcus micros from Peptococcus magnus (Prévot 1933) Holdeman and Moore 1972. Int. J. Syst. Bacteriol. 1983; 33:207-210.
  • ⏰ According to Cato et al. (1983), this species is an earlier heterotypic synonym of Peptococcus glycinophilus (Cardon and Barker 1946) Douglas 1957 (Approved Lists 1980). Publication: Cato EP, Johnson JL, Hash DE, Holdeman LV. Synonymy of Peptococcus glycinophilus (Cardon and Barker 1946) Douglas 1957 with Peptostreptococcus micros (Prévot 1933) Smith 1957 and electrophoretic differentiation of Peptostreptococcus micros from Peptococcus magnus (Prévot 1933) Holdeman and Moore 1972. Int. J. Syst. Bacteriol. 1983; 33:207-210.
  • 🙂 Spelling correction conducted by LPSN on 2023-05-12.
  • 😷 The taxon name shown here has no risk group assigned, but is the corrected spelling of Micromonas micros (Prévot 1933) Murdoch and Shah 2000, which has a risk group (Canada) above 1. These are therefore two spellings of the same name that should be treated identically for practical purposes. — The taxon name shown here has no risk group assigned, but is the corrected spelling of Micromonas micros (Prévot 1933) Murdoch and Shah 2000, which has a risk group (Germany) above 1. These are therefore two spellings of the same name that should be treated identically for practical purposes.
  • 🎓 Name mentioned 0 times in PubMed until 2024-03-27.

Parent taxon: Micromonas Murdoch and Shah 2000

Assigned by: Murdoch DA, Shah HN. Reclassification of Peptostreptococcus magnus (Prevot 1933) Holdeman and Moore 1972 as Finegoldia magna comb. nov. and Peptostreptococcus micros (Prevot 1933) Smith 1957 as Micromonas micros comb. nov. Anaerobe 1999; 5:555-559.

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Record number: 37863