Name: Serpens Hespell 1977 (Approved Lists 1980)

Category: Genus

Proposed as: gen. nov.

Etymology: Ser’pens. L. fem. n. Serpens, snake, serpent

Gender, pronunciation (Latin): feminine (stem: Serpent-), SER-pens

Type species: Serpens flexibilis Hespell 1977 (Approved Lists 1980)

Conduct genome-based taxonomy of genus at TYGS

16S rRNA gene: Analyse FASTA

Effective publication: Hespell RB. Serpens flexibilis gen. nov., sp. nov., an unusually flexible lactate-oxidizing bacterium. International Journal of Systematic Bacteriology 1977; 27:371-381.

IJSEM list: Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Emendations:
  • Rudra and Gupta 2024 Rudra B, Gupta RS. Phylogenomics studies and molecular markers reliably demarcate genus Pseudomonas sensu stricto and twelve other Pseudomonadaceae species clades representing novel and emended genera. Front Microbiol 2023; 14:1273665. 🇨🇦 Oren A, Göker M. List of changes in taxonomic opinion no. 41. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2025; 75:6561.
    Notes:
    • ⊕ Emendation accompanied by the proposal of 1 new species in the genus.

• Notes:
  • 🧕 Cavalier-Smith (1981) assigned this genus to the subkingdom "Eubacteria" Cavalier-Smith 1981. Publication: Cavalier-Smith T. Eukaryote kingdoms: seven or nine? Biosystems 1981; 14:461-481.
  • 🚋 The type species of this genus has alternatively been placed in the genus Pseudomonas Migula 1894 (Approved Lists 1980). Publication: Xin YH, Zhang DC, Liu HC, Zhou HL, Zhou YG. Pseudomonas tuomuerensis sp. nov., isolated from a bird's nest. Int J Syst Evol Microbiol 2009; 59:139-143. 🇨🇳
  • 🚋 The type species of this genus has alternatively been placed in the genus Pseudomonas Migula 1894 (Approved Lists 1980). Publication: Shin SK, Hwang CY, Cho YJ, Yi H. Reclassification of Serpens flexibilis Hespell 1977 as Pseudomonas flexibilis comb. nov., with Pseudomonas tuomuerensis Xin et al. 2009 as a later heterotypic synonym. Syst Appl Microbiol 2015; 38:563-566. 🇰🇷
  • 🎰 The BRCs most frequently used for deposits in this group are: DSM: 3; NCTC: 2; CGMCC: 1; CECT: 1; LMG: 1; JCM: 1; ATCC: 1.
  • 🧍 Pittman et al. (1991) suggested the abbreviation "SRPN" for this genus name but this does not appear to be of practical relevance any longer. Publication: Pittman KF, Walczak CA, Lock CM. Codes and abbreviations for approved of effectively published names of genera of bacteria published from January 1980 to December 1990. Int J Syst Bacteriol 1991; 41:571-579.

Subdivision:

Number of child taxa with a validly published and correct name: 2
Number of child taxa with a validly published name, including synonyms: 3
Total number of child taxa: 4

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Serpens flexibilis Hespell 1977 (Approved Lists 1980)	validly published under the ICNP	correct name
    Serpens gallinarum Pallen 2024	validly published under the ICNP	correct name
    "Serpens gallinarum" Gilroy et al. 2021	not validly published	synonym
    Serpens tuomuerensis (Xin et al. 2009) Rudra and Gupta 2024	validly published under the ICNP	synonym

Parent taxon: Pseudomonadaceae Winslow et al. 1917 (Approved Lists 1980)

Assigned by: Yilmaz P, Parfrey LW, Yarza P, Gerken J, Pruesse E, Quast C, Schweer T, Peplies J, Ludwig W, Glöckner FO. The SILVA and “all-species living tree project (LTP)” taxonomic frameworks. Nucleic Acids Research 2014; 42(D1):D643-D648. 🇩🇪

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Record number: 517346