Name: Mycoplasmoides pneumoniae (Somerson et al. 1963) Gupta et al. 2018

Category: Species

Proposed as: comb. nov.

Basonym: Mycoplasma pneumoniae Somerson et al. 1963 (Approved Lists 1980)

Etymology: pneu.mo.ni’ae. N.L. fem. n. pneumonia, disease of lungs, pneumonia; N.L. gen. fem. n. pneumoniae, of pneumonia

Pronunciation (Latin), gender: … pne͡u-mo-NI-a͡e, neuter

Type strain: ATCC 15531; CIP 103766; DSM 22911; FH; IFO 14401; NBRC 14401; NCTC 10119

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AF132740 Analyse FASTA

Effective publication: Gupta RS, Sawnani S, Adeolu M, Alnajar S, Oren A. Phylogenetic framework for the phylum Tenericutes based on genome sequence data: proposal for the creation of a new order Mycoplasmoidales ord. nov., containing two new families Mycoplasmoidaceae fam. nov. and Metamycoplasmataceae fam. nov. harbouring Eperythrozoon, Ureaplasma and five novel genera. Antonie Van Leeuwenhoek 2018; 111:1583-1630. 🇨🇦

IJSEM list: Oren A, Garrity GM. Validation list no. 184. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2018; 68:3379-3393.

Nomenclatural status: validly published under the ICNP

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

Risk group: 2

• Synonyms:

  • Name	Kind
    Mycoplasma pneumoniae Somerson et al. 1963 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP
    "Schizoplasma pneumoniae" (Somerson et al. 1963) Furness et al. 1968	homotypic synonym, not validly published

• Notes:
  • 🥇 Nomenclatural type of the genus Mycoplasmoides Gupta et al. 2018. Publication: Gupta RS, Sawnani S, Adeolu M, Alnajar S, Oren A. Phylogenetic framework for the phylum Tenericutes based on genome sequence data: proposal for the creation of a new order Mycoplasmoidales ord. nov., containing two new families Mycoplasmoidaceae fam. nov. and Metamycoplasmataceae fam. nov. harbouring Eperythrozoon, Ureaplasma and five novel genera. Antonie Van Leeuwenhoek 2018; 111:1583-1630. 🇨🇦
  • 😷 The risk group for Belgium has been imported on 2024-02-05. The full classification is: risk group = 2, note = "human pathogen". — 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 3 times in PubMed until 2025-06-04.
  • 🫡 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. This name is not taxonomically suspended any more in favour of Mycoplasma pneumoniae Somerson et al. 1963 (Approved Lists 1980). Publication: Somerson NL, Taylor-Robinson D, Chanock RM. Hemolyin production as an aid in the identification and quantitation of Eaton agent (Mycoplasma pneumoniae). Am J Hyg 1963; 77:122-128. Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.
  • 🧍 According to Bartlett et al. (2022), this species is an established human pathogen. Publication: Bartlett A, Padfield D, Lear L, Bendall R, Vos M. A comprehensive list of bacterial pathogens infecting humans. Microbiology (Reading) 2022; 168:0. 🇬🇧

Parent taxon: Mycoplasmoides Gupta et al. 2018

Assigned by: Gupta RS, Sawnani S, Adeolu M, Alnajar S, Oren A. Phylogenetic framework for the phylum Tenericutes based on genome sequence data: proposal for the creation of a new order Mycoplasmoidales ord. nov., containing two new families Mycoplasmoidaceae fam. nov. and Metamycoplasmataceae fam. nov. harbouring Eperythrozoon, Ureaplasma and five novel genera. Antonie Van Leeuwenhoek 2018; 111:1583-1630. 🇨🇦

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Record number: 798618