psychroflexus torquis psychroflexus torquis psychroflexus torquis is a species of bacterium. it is psychrophilic and its type strain is strain acam 623t. it has the ability to synthesize the polyunsaturated fatty acids eicosapentaenoic acid and arachidonic acid. psychroflexus torquis scientific classification domain: bacteria phylum: bacteroidota class: flavobacteriia order: flavobacteriales family: flavobacteriaceae genus: psychroflexus species: p. torquis binomial name psychroflexus torquisbowman et al. 1999