moraxella nonliquefaciens moraxella nonliquefaciens moraxella nonliquefaciens is a gram-negative bacterium in the genus moraxella, which was isolated from the upper respiratory tract of humans. m. nonliquefaciens occasionally causes disease. moraxella nonliquefaciens scientific classification domain: bacteria phylum: pseudomonadota class: gammaproteobacteria order: pseudomonadales family: moraxellaceae genus: moraxella species: m. nonliquefaciens binomial name moraxella nonliquefaciensvandlwoff 1939 type strain atcc 19975, bcrc 11230, ccm 5604, ccrc 11230, ccug 348, cect 465, cip 68.36, dsm 6327, henriksen 4663/62, iam 12281, jcm 20443, nctc 10464 synonyms bacillus duplex non liquefaciens