acinetobacter seifertii acinetobacter seifertii acinetobacter seifertii is bacterium from the genus acinetobacter which has been isolated from human clinical specimens. acinetobacter seifertii scientific classification domain: bacteria phylum: pseudomonadota class: gammaproteobacteria order: pseudomonadales family: moraxellaceae genus: acinetobacter species: a. seifertii binomial name acinetobacter seifertiinemec et al. 2015 type strain llk-2014, luh 1471, luh 1472