Name: "Caedimonadaceae" Schrallhammer et al. 2018

Category: Family

Proposed as: fam. nov.

Etymology: N.L. fem. pl. n. Caedimonadaceae, the Caedimonas family

Gender: feminine

Type genus: "Caedimonas" Schrallhammer et al. 2018

Original publication: Schrallhammer M, Castelli M, Petroni G. Phylogenetic relationships among endosymbiotic R-body producer: Bacteria providing their host the killer trait. Syst Appl Microbiol 2018; 41:213-220.

Nomenclatural status: not validly published

Taxonomic status: preferred name (not correct name)

• Synonyms:

  • Name	Kind
    "Candidatus Nucleicultricaceae" Chuvochina et al. 2023	heterotypic synonym, not pro-validly published

• Notes:
  • 🧕 Castelli and Petroni (2025) assigned this family to the suborder Holosporineae (Szokoli et al. 2020) Castelli and Petroni 2025. Publication: Castelli M, Petroni G. An Evolutionary-Focused Review of the Holosporales (Alphaproteobacteria): Diversity, Host Interactions, and Taxonomic Re-ranking as Holosporineae Subord. Nov. Microb Ecol 2025; 88:15.
  • 🧒 Schrallhammer et al. (2018) assigned the genus Caedibacter (ex Preer et al. 1974) Preer and Preer 1982 to this family. Publication: Schrallhammer M, Castelli M, Petroni G. Phylogenetic relationships among endosymbiotic R-body producer: Bacteria providing their host the killer trait. Syst Appl Microbiol 2018; 41:213-220.
  • 🎰 The BRCs most frequently used for deposits in this group are: ATCC: 2.
  • 🧍 Previously known as the Caedibacter-Nucleicultrix clade. Publication: Szokoli F, Castelli M, Sabaneyeva E, Schrallhammer M, Krenek S, Doak TG, Berendonk TU, Petroni G. Disentangling the Taxonomy of Rickettsiales and Description of Two Novel Symbionts ("Candidatus Bealeia paramacronuclearis" and "Candidatus Fokinia cryptica") Sharing the Cytoplasm of the Ciliate Protist Paramecium biaurelia. Appl Environ Microbiol 2016; 82:7236-7247.

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: 4

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    "Caedimonas" Schrallhammer et al. 2018	not validly published	synonym
    "Candidatus Nucleicultrix" Schulz et al. 2014	not validly published	pro-correct name
    "Candidatus Nucleicultrix" Chuvochina et al. 2023	not validly published	synonym
    "Candidatus Paracaedimonas" Schrallhammer et al. 2018	not validly published	pro-correct name

Parent taxon: Holosporales Szokoli et al. 2020

Assigned by: Schrallhammer M, Castelli M, Petroni G. Phylogenetic relationships among endosymbiotic R-body producer: Bacteria providing their host the killer trait. Syst Appl Microbiol 2018; 41:213-220.

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Record number: 183