acinetobacter equi acinetobacter equi acinetobacter equi is a gram-negative, rod-shaped and obligate aerobic bacterium from the genus of acinetobacter which has been isolated from horse faeces. acinetobacter equi scientific classification domain: bacteria phylum: pseudomonadota class: gammaproteobacteria order: pseudomonadales family: moraxellaceae genus: acinetobacter species: a. equi binomial name acinetobacter equipoppel et al. 2016 type strain ccug 65204, dsm 27228, strain 114