agaribacter agaribacter agaribacter is a bacteria genus from the family of alteromonadaceae. up to now there is only one species of this genus known (agaribacter marinus). agaribacter scientific classification domain: bacteria phylum: pseudomonadota class: gammaproteobacteria order: alteromonadales family: alteromonadaceae genus: agaribacterteramoto and nishijima 2014 type species agaribacter marinus species a. marinus