Name: Leptospirales Gupta et al. 2014

Category: Order

Proposed as: ord. nov.

Etymology: Lep.to.spi.ra’les. N.L. fem. n. Leptospira, type genus of the order; L. fem. pl. n. suff. -ales, ending to denote an order; N.L. fem. pl. n. Leptospirales, the order whose nomenclatural type is the genus Leptospira

Pronunciation (Latin), gender: lep-to-spi-RA-les, feminine

Type genus: Leptospira Noguchi 1917 (Approved Lists 1980)

Effective publication: Gupta RS, Mahmood S, Adeolu M. Erratum: A phylogenomic and molecular signature based approach for characterization of the Phylum Spirochaetes and its major clades: proposal for a taxonomic revision of the phylum. Front Microbiol 2013; 4:322. 🇨🇦

IJSEM list: Oren A, Garrity GM. Validation list no. 156. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2014; 64:693-696.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Synonyms:

  • Name	Kind
    "Leptospiriales" Gupta et al. 2013	homotypic synonym, inaccurate spelling
    "Leptospirales" corrig. Gupta et al. 2013	homotypic synonym, not validly published
    Turneriellales Chuvochina et al. 2024	heterotypic synonym, validly published under the ICNP

• Notes:
  • 🧕 Cavalier-Smith and Chao (2020) assigned this order to the class "Leptospiria" Cavalier-Smith 2020. Publication: Cavalier-Smith T, Chao EE. Multidomain ribosomal protein trees and the planctobacterial origin of neomura (eukaryotes, archaebacteria). Protoplasma 2020; 257:621-753. 🇬🇧
  • 🧕 Chuvochina et al. (2023) assigned this order to the class Leptospiria Chuvochina et al. 2024. 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. 🇦🇺
  • 🧕 Gupta et al. (2013) assigned this order to the class Spirochaetes Cavalier-Smith 2002. Publication: Gupta RS, Mahmood S, Adeolu M. Erratum: A phylogenomic and molecular signature based approach for characterization of the Phylum Spirochaetes and its major clades: proposal for a taxonomic revision of the phylum. Front Microbiol 2013; 4:322. 🇨🇦
  • 🧕 Gupta et al. (2013) assigned this order to the domain "Bacteria" Woese et al. 1990. Publication: Gupta RS, Mahmood S, Adeolu M. Erratum: A phylogenomic and molecular signature based approach for characterization of the Phylum Spirochaetes and its major clades: proposal for a taxonomic revision of the phylum. Front Microbiol 2013; 4:322. 🇨🇦
  • 🧒 Gupta et al. (2013) assigned the genus Leptospira Noguchi 1917 (Approved Lists 1980) to this order. Publication: Gupta RS, Mahmood S, Adeolu M. Erratum: A phylogenomic and molecular signature based approach for characterization of the Phylum Spirochaetes and its major clades: proposal for a taxonomic revision of the phylum. Front Microbiol 2013; 4:322. 🇨🇦
  • 🎰 The BRCs most frequently used for deposits in this group are: DSM: 53; KIT: 53; CIP: 50; ATCC: 23; JCM: 8; NCTC: 4; WHO: 2; CLEP: 2.
  • 🧍 The connecting vowel -i- was removed on validation to read Leptospirales rather than Leptospiriales. Publication: Oren A, Garrity GM. Validation list no. 156. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2014; 64:693-696.

Subdivision:

Number of child taxa with a validly published and correct name: 1
Number of child taxa with a validly published name, including synonyms: 3
Total number of child taxa: 3

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Leptonemataceae Chuvochina et al. 2024	validly published under the ICNP, illegitimate name	synonym
    Leptospiraceae Hovind-Hougen 1979 (Approved Lists 1980)	validly published under the ICNP	correct name
    Turneriellaceae Chuvochina et al. 2024	validly published under the ICNP	synonym

Parent taxon: Spirochaetia Paster 2020

Assigned by: 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: 5156