moraxella caviae moraxella caviae moraxella caviae is a gram-negative bacterium in the genus moraxella, which was isolated from the pharyngeal region and mouth of guinea pig. moraxella caviae scientific classification domain: bacteria phylum: pseudomonadota class: gammaproteobacteria order: pseudomonadales family: moraxellaceae genus: moraxella species: m. caviae binomial name moraxella caviaehenriksen and bøvre 1968 type strain atcc 14659, bövre atcc14659, ccm 2627, ccug 2132, ccug 355, cip 73.19, gp 11, lmg 5129, n62, nctc 10293, nrcc 31003 synonyms neisseria caviae