Genus "Caecibacterium"

Name: "Caecibacterium" Onrust et al. 2017

Category, proposed as: genus, gen. nov.

Etymology: Cae.ci.bac.te’ri.um. L. neut. n. caecum, caecum (can be noun or adjective); from L. masc. adj. caecus, blind (neuter caecum also as noun); N.L. neut. n. bacterium, a small rod; N.L. neut. n. Caecibacterium, a rod from the caecum

Gender, pronunciation (Latin): neuter (stem: Caecibacteri-), ka͡e-ki-bak-TE-ri-um

Type species: "Caecibacterium sporoformans" Onrust et al. 2017

Original publication: Onrust L, Petzoldt D, Eeckhaut V, De Maesschalck C, Haesebrouck F, Rautenschlein S, Ducatelle R, Van Immerseel F, Taras D. Caecibacterium sporoformans gen. nov., sp. nov., an anaerobic, butyrate-producing, spore-forming bacterium isolated from chicken caecum. Int J Syst Evol Microbiol 2017; 67:4589-4594. 🇧🇪

Nomenclatural status: not validly published

Taxonomic status: synonym (and no standing)

Correct name: Caecibacterium Oren et al. 2019

• Synonyms:

  • Name	Kind
    Caecibacterium Oren et al. 2019	homotypic synonym, validly published under the ICNP

• Notes:
  • 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Caecinbacterium"; "Recibecterium".
  • 🎰 The BRCs most frequently used for deposits in this group are: DSM: 2; LMG: 1.
  • 🤦 This taxon lacks a discernible description (protologue).
  • 🧍 Considered not validly published. Publication: Oren A, Arahal DR, Christensen H, Goker M, Manaia CM, Moore ERB. International Code of Nomenclature of Prokaryotes. Prokaryotic Code (2025 Revision). Int J Syst Evol Microbiol 2026; 76:6979. 🇮🇱

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
    "Caecibacterium sporoformans" Onrust et al. 2017	not validly published	synonym

Parent taxon: [Bacillota, not assigned to family]

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. — Freese HM, Meier-Kolthoff JP, Sarda Carbasse J, Afolayan AO, Goker M. TYGS and LPSN in 2025: a Global Core Biodata Resource for genome-based classification and nomenclature of prokaryotes within DSMZ Digital Diversity. Nucleic Acids Res 2026; 54:D884-D891. 🇩🇪

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Record number: 8756