alicycliphilus alicycliphilus alicycliphilus is a genus in the phylum pseudomonadota (bacteria). alicycliphilus scientific classification domain: bacteria phylum: pseudomonadota class: betaproteobacteria order: burkholderiales family: comamonadaceae genus: alicycliphilus type species a. denitrificans etymology the name alicycliphilus derives from:greek adjective aliphos, fat; latin noun cyclus, circle or ring; neo-latin pref. alicycli-, referring to circular fat-like organic compounds; neo-latin adjective philus from greek adjective philos (φίλος) meaning friend, loving; neo-latin masculine gender adjective alicycliphilus, alicyclic compound-liking, referring to the substrates used for the isolation of this organism. species the genus contains a single species, namely a. denitrificans. the specific epithet denitrificans is a neo-latin participle adjective meaning denitrifying.