prolixibacter denitrificans prolixibacter denitrificans prolixibacter denitrificans is a facultatively anaerobic and nitrate-reducing bacterium from the genus of prolixibacter which has been isolated from isolated from crude oil. prolixibacter denitrificans scientific classification domain: bacteria phylum: bacteroidota class: bacteroidia order: bacteroidales family: prolixibacteraceae genus: prolixibacter species: p. denitrificans binomial name prolixibacter denitrificansiino et al. 2015 type strain mic1-1