Name: "Candidatus Microgenomatia" Herrmann et al. 2019

Category: Class

Proposed as: Candidatus

Etymology: Mi.cro.ge.no.ma’ti.a. N.L. masc. n. Microgenomatus, a Candidatus genus name; L. neut. pl. n. suff. -ia, ending to denote a class; N.L. neut. pl. n. Microgenomatia, the Candidatus Microgenomatus class

Pronunciation, gender: mi-kro-ge-no-MA-ti-a, neuter

Type genus: "Candidatus Microgenomatus" Rinke et al. 2013

Original publication: Herrmann M, Wegner CE, Taubert M, Geesink P, Lehmann K, Yan L, Lehmann R, Totsche KU, Kusel K. Predominance of Cand. Patescibacteria in Groundwater Is Caused by Their Preferential Mobilization From Soils and Flourishing Under Oligotrophic Conditions. Front Microbiol 2019; 10:1407.

Nomenclatural status: not validly published

Nomenclatural pro-status: not pro-validly published

Taxonomic status: preferred name (not pro-correct name)

• Notes:
  • 🧕 Chuvochina et al. (2023) assigned this class to the phylum "Candidatus Patescibacteria" Parks et al. 2018. Publication: Chuvochina M, Mussig AJ, Chaumeil PA, Skarshewski A, Rinke C, Parks DH, Hugenholtz P. Proposal of names for 329 higher rank taxa defined in the Genome Taxonomy Database under two prokaryotic codes. FEMS Microbiol Lett 2023; 0:0.
  • 🧕 Herrmann et al. (2019) assigned this class to the phylum "Candidatus Microgenomatota" corrig. Rinke et al. 2013. Publication: Herrmann M, Wegner CE, Taubert M, Geesink P, Lehmann K, Yan L, Lehmann R, Totsche KU, Kusel K. Predominance of Cand. Patescibacteria in Groundwater Is Caused by Their Preferential Mobilization From Soils and Flourishing Under Oligotrophic Conditions. Front Microbiol 2019; 10:1407.
  • 🧍 While the authors did not explicitly propose this taxon name, they did not provide a proper citation of the authority of the name either.

Subdivision:

Number of child taxa with a validly published and correct name: 0
Number of child taxa with a validly published name, including synonyms: 0
Total number of child taxa: 1

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    [Microgenomatia, not assigned to order]	artificial parent node of taxa incertae sedis

Parent taxon: Minisyncoccota Nakajima et al. 2025

Assigned by: Nakajima M, Nakai R, Hirakata Y, Kubota K, Satoh H, Nobu MK, Narihiro T, Kuroda K. Minisyncoccus archaeiphilus gen. nov., sp. nov., a mesophilic, obligate parasitic bacterium and proposal of Minisyncoccaceae fam. nov., Minisyncoccales ord. nov., Minisyncoccia class. nov. and Minisyncoccota phyl. nov. formerly referred to as Candidatus Patescibacteria or candidate phyla radiation. Int J Syst Evol Microbiol 2025; 75:6668.

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Record number: 58033