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Résumé : Abstract Ha.lo.pep.to.nel'la. Gr. masc. n. hals , halos salt; N.L. neut. n. peptonum , peptone; L. fem. dim. ending ‐ ella ; N.L. fem. n. Halopeptonella , a halophilic bacterium that grows solely with peptone. The genus Halopeptonella , classified within the family Ectothiorhodospiraceae , and within the class Gammaproteobacteria , currently consists of a single species, Halopeptonella vilamensis . It was isolated in pure culture from the sediment of a hypersaline Andean lake located at 4,600 m above sea level (Laguna Vilama, Argentina). The cells are Gram‐stain‐negative, nonmotile, non‐spore‐forming, heterotrophic, and strictly aerobic rods. Colonies are pink, circular, smooth, convex, and pinpoint. Cells are halophilic, capable of growing at NaCl concentrations from 7.5 to 25% (w/v). Cells grow in media containing tryptone or peptone as sole carbon and energy source. Require yeast extract, sodium, and magnesium but not potassium ions for growth. DNA G + C content (mol%) : 64.2 (genome). Type species : Halopeptonella vilamensis Menes et al. 2016, VL168. Taxonomic and Nomenclature Notes According to the List of Prokaryotic names with Standing in Nomenclature (LPSN), the taxonomic status of the genus Halopeptonella is: synonym (last update, February 2025) * . Correct name: Spiribacter LPSN classification: Bacteria / Pseudomonadati / Pseudomonadota / Gammaproteobacteria / Chromatiales / Ectothiorhodospiraceae / Spiribacter Halopeptonella could not be recovered in GTDB ** . * Meier‐Kolthoff et al. ( 2022 ). Nucleic Acids Res , 50 , D801 – D807 ; DOI: 10.1093/nar/gkab902 ** Parks et al. ( 2022 ). Nucleic Acids Res , 50 , D785 – D794 ; DOI: 10.1093/nar/gkab776