psychroserpens psychroserpens psychroserpens is a gram-negative and strictly aerobic bacteria genus from the family of flavobacteriaceae. psychroserpens burtonensis scientific classification domain: bacteria phylum: bacteroidota class: flavobacteriia order: flavobacteriales family: flavobacteriaceae genus: psychroserpensbowman et al. 1997 type species psychroserpens burtonensis species p. burtonensis p. damuponensis p. jangbogonensis p. mesophilus