psychroflexus planctonicus psychroflexus planctonicus psychroflexus planctonicus is a gram-negative, strictly aerobic, moderately halophilic, and non-motile bacteria from the genus of psychroflexus which has been isolated from the lake xiaochaidan in qaidam basin in the qinghai province in china. psychroflexus planctonicus scientific classification domain: bacteria phylum: bacteroidota class: flavobacteriia order: flavobacteriales family: flavobacteriaceae genus: psychroflexus species: p. halocasei binomial name psychroflexus planctonicuszhong et al. 2016 type strain cgmcc 1.12931, jcm 30616, x15m-8