Name: Megasphaera geminata (Carlier et al. 2002) Heng et al. 2025

Category: Species

Proposed as: comb. nov.

Basonym: Anaeroglobus geminatus Carlier et al. 2002

Etymology: ge.mi.na’ta. L. fem. part. adj. geminata, paired, double, referring to the twin cells of this organism

Pronunciation, gender: ge-mi-NA-ta, feminine

Type strain: AIP 313.00; CCUG 44773; CIP 106856; DSM 23918

See detailed strain information at

16S rRNA gene: AF338413 Analyse FASTA

Valid publication: Heng YC, Lee JKY, Silvaraju S, Kittelmann S. Description of Megasphaera jansseni sp. nov., a novel short- and medium-chain fatty acid-producing species isolated from faeces of a wild boar (Sus scrofa), and a taxonomic note on the family Veillonellaceae. Int J Syst Evol Microbiol 2025; 75:6937.

Nomenclatural status: validly published under the ICNP

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

• Synonyms:

  • Name	Kind
    Anaeroglobus geminatus Carlier et al. 2002	homotypic synonym, validly published under the ICNP

• Notes:
  • 🎓 Name mentioned 0 times in PubMed until 2025-11-04.
  • 🙆 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 pathogenicity of the species itself.

Parent taxon: Megasphaera Rogosa 1971 (Approved Lists 1980)

Assigned by: Heng YC, Lee JKY, Silvaraju S, Kittelmann S. Description of Megasphaera jansseni sp. nov., a novel short- and medium-chain fatty acid-producing species isolated from faeces of a wild boar (Sus scrofa), and a taxonomic note on the family Veillonellaceae. Int J Syst Evol Microbiol 2025; 75:6937.

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Record number: 68479