acinetobacter celticus acinetobacter celticus acinetobacter celticus is a psychrotolerant bacterium from the genus of acinetobacter which occurs in soil and water. acinetobacter celticus scientific classification domain: bacteria phylum: pseudomonadota class: gammaproteobacteria order: pseudomonadales family: moraxellaceae genus: acinetobacter species: a. celticus binomial name acinetobacter celticusradolfova-krizova et al., 2016 type strain ccm 8700, ccug 69239, cnctc 7549, anc 4603