psychroflexus sediminis psychroflexus sediminis psychroflexus sediminis is a gram-negative, mesophilic, slightly halophilic and non-motile bacteria from the genus of psychroflexus which has been isolated from a salt lake in qaidam basin in china. psychroflexus sediminis scientific classification domain: bacteria phylum: bacteroidota class: flavobacteriia order: flavobacteriales family: flavobacteriaceae genus: psychroflexus species: p. sediminis binomial name psychroflexus sediminischen et al. 2009 type strain cctcc aa 207030, kctc 22166, yim c238