Name: "Candidatus Rhabdochlamydiaceae" Horn 2010

Category: Family

Proposed as: Candidatus

Etymology: Rhab.do.chla.my.di.a.ce’ae. N.L. fem. n. Rhabdochlamydia, type genus of the family; L. fem. pl. n. suff. -aceae, ending to denote a family; N.L. fem. pl. n. Rhabdochlamydiaceae, the Rhabdochlamydia family

Pronunciation (Latin), gender: r^hab-do-k^hla-my-di-a-KE-a͡e, feminine

Type genus: "Candidatus Rhabdochlamydia" Kostanjšek et al. 2004

Original publication: Paster BJ. Phylum XV. Spirochaetes Garrity and Holt 2001. In: Krieg NR, Staley JT, Brown DR, Hedlund BP, Paster BJ, Ward NL, Ludwig W, Whitman WB (eds), Bergey’s Manual of Systematic Bacteriology, 2nd edn, vol. 4 (The Bacteroidetes, Spirochaetes, Tenericutes (Mollicutes), Acidobacteria, Fibrobacteres, Fusobacteria, Dictyoglomi, Gemmatimonadetes, Lentisphaerae, Verrucomicrobia, Chlamydiae, and Planctomycetes), Springer, New York, NY, 2010, p. 471. 🇺🇸

Nomenclatural status: not validly published

Nomenclatural pro-status: not pro-validly published

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

• Notes:
  • 🧕 Gupta et al. (2015) assigned this family to the order Parachlamydiales Gupta et al. 2016. Publication: Gupta RS, Naushad S, Chokshi C, Griffiths E, Adeolu M. A phylogenomic and molecular markers based analysis of the phylum Chlamydiae: proposal to divide the class Chlamydiia into two orders, Chlamydiales and Parachlamydiales ord. nov., and emended description of the class Chlamydiia. Antonie Van Leeuwenhoek 2015; 108:765-781. 🇨🇦
  • 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Rhabdochlamiaceae".
  • 🧔 This taxon was discussed in a meeting of a Taxonomic Subcommittee of the ICSP. Publication: Borel N, Horn M, Greub G. International Committee on Systematics of Prokaryotes (ICSP) Subcommittee on the taxonomy of Chlamydiae. Minutes of the closed meeting, 20 March 2019, Seattle, WA, USA. Int J Syst Evol Microbiol 2019; 69:3654-3656. 🇨🇭
  • 🧔 This taxon was discussed in a meeting of a Taxonomic Subcommittee of the ICSP. Publication: Borel N, Greub G, For The Icsp Subcommittee On The Taxonomy Of Chlamydiae. International Committee on Systematics of Prokaryotes Subcommittee on the taxonomy of Chlamydiae: March 25, meeting of the Chlamydia Basic Research Society, Berlin, Germany. Int J Syst Evol Microbiol 2026; 76:7044. 🇨🇭

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: 6

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    [Acheromyda]	preliminary entry that lacks crucial information
    "Candidatus Euplotechlamydia" Wang et al. 2023	not validly published	preferred name
    "Reclusachlamydia" Helmlinger et al. 2025	not validly published	preferred name
    "Candidatus Renichlamydia" Corsaro and Work 2012	not validly published	pro-correct name
    "Candidatus Rhabdochlamydia" Kostanjšek et al. 2004	not validly published	pro-correct name
    "Candidatus Sacchlamyda" Davison and Hurst 2023	not validly published	preferred name

Parent taxon: Chlamydiales Storz and Page 1971 (Approved Lists 1980)

Assigned by: Krieg NR. Order I. Bacteroidales ord. nov. In: Krieg NR, Staley JT, Brown DR, Hedlund BP, Paster BJ, Ward NL, Ludwig W, Whitman WB (eds), Bergey's Manual of Systematic Bacteriology, 2nd edn, vol. 4, Springer, New York, 2010, p. 25. 🇺🇸

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Record number: 7963