Name: "Candidatus Paceibacterales" Chuvochina et al. 2023

Category: Order

Proposed as: Candidatus

Etymology: Pa.ce.i.bac.te.ra’les. N.L. masc. n. Paceibacter, a Candidatus genus name; L. fem. pl. n. suff. -ales, ending to denote an order; N.L. fem. pl. n. Paceibacterales, the Paceibacter order

Pronunciation, gender: pa-ke-i-bak-te-RA-les, feminine

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

Original 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.

Nomenclatural status: not validly published

Nomenclatural pro-status: not pro-validly published

Taxonomic status: synonym (and no pro-standing)

Correct name: Minisyncoccales Nakajima et al. 2025

• Synonyms:

  • Name	Kind
    Minisyncoccales Nakajima et al. 2025	heterotypic synonym, validly published under the ICNP

• Notes:
  • 🥇 Nomenclatural type of the class "Candidatus Paceibacteria" Chuvochina et al. 2023. 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.
  • 🧕 Chuvochina et al. (2023) assigned this order to the class "Candidatus Paceibacteria" Chuvochina et al. 2023. 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.
  • 🧒 Chuvochina et al. (2023) assigned the family "Candidatus Paceibacteraceae" Chuvochina et al. 2023 to this order. 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.
  • 🧒 Chuvochina et al. (2023) assigned the genus "Candidatus Paceibacter" Rinke et al. 2013 to this order. 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.
  • 🧒 Kuroda et al. (2024) assigned the family "Candidatus Yanofskyibacteriaceae" Kuroda et al. 2024 to this order. Publication: Kuroda K, Nakajima M, Nakai R, Hirakata Y, Kagemasa S, Kubota K, Noguchi TQP, Yamamoto K, Satoh H, Nobu MK, et al. Microscopic and metatranscriptomic analyses revealed unique cross-domain parasitism between phylum Candidatus Patescibacteria/candidate phyla radiation and methanogenic archaea in anaerobic ecosystems. mBio 2024; 15:e0310223.
  • 🧒 Kuroda et al. (2024) assigned the family "Candidatus Minisyncoccaceae" Kuroda et al. 2024 to this order. Publication: Kuroda K, Nakajima M, Nakai R, Hirakata Y, Kagemasa S, Kubota K, Noguchi TQP, Yamamoto K, Satoh H, Nobu MK, et al. Microscopic and metatranscriptomic analyses revealed unique cross-domain parasitism between phylum Candidatus Patescibacteria/candidate phyla radiation and methanogenic archaea in anaerobic ecosystems. mBio 2024; 15:e0310223.
  • 🧍 The article mentions the SeqCode. This SeqCode is not an officially recognized code of nomenclature. In fact, the use of the SeqCode is officially discouraged. ICNP-compliant databases and publications are not allowed to use the SeqCode. The SeqCode deliberately and systematically violates the ICNP. The SeqCode attempts to undermine the scientific standard called "valid publication of the name of a prokaryote" by lowering the requirements compared to the ICNP, but using the same term and assigning it to names whose formation is indistinguishable from the one used by the ICNP. LPSN follows the ICNP and treats such names as not validly published. Publication: Goker M, Moore ERB, Oren A, Trujillo ME. Status of the SeqCode in the International Journal of Systematic and Evolutionary Microbiology. Int J Syst Evol Microbiol 2022; 72:5754.

Parent taxon: Minisyncoccia Nakajima et al. 2025

Assigned by: LPSN automated production system. The following publication is only one of the sources consulted. It may or may not mention this taxon name. — 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: 42246