Name: "Dialister massiliensis" Afouda et al. 2020

Category: Species

Proposed as: sp. nov.

Etymology: mas.si.li.en’sis. L. masc. adj. massiliensis, from Massilia, the ancient Roman name for Marseille, where the strain was isolated

Pronunciation, gender: mas-si-li-EN-sis, masculine

Nomenclatural type: CSUR P5638; Marseille P5638

Conduct genome-based taxonomy at

16S rRNA gene: LT996173 Analyse FASTA

Original publication: Afouda P, Dubourg G, Tomei E, Raoult D, Fournier PE. Dialister massiliensis sp. nov., a new bacterium isolated from the human gut. New Microbes New Infect 2020; 34:100657. 🇫🇷

Nomenclatural status: not validly published

Taxonomic status: synonym (and no standing)

Correct name: Dialister hominis Sakamoto et al. 2020

• Synonyms:

  • Name	Kind
    Dialister hominis Sakamoto et al. 2020	heterotypic synonym, validly published under the ICNP

• Notes:
  • ⏲ According to Heng et al. (2025), this species is a later heterotypic synonym of Dialister hominis Sakamoto et al. 2020. 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. 🇸🇬

Parent taxon: Dialister (ex Bergey et al. 1923) Moore and Moore 1994

Assigned by: Afouda P, Dubourg G, Tomei E, Raoult D, Fournier PE. Dialister massiliensis sp. nov., a new bacterium isolated from the human gut. New Microbes New Infect 2020; 34:100657. 🇫🇷

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Record number: 3580