aureicoccus aureicoccus aureicoccus is a gram-negative, obligately aerobic and heterotrophic genus of bacteria from the family of flavobacteriaceae with one known species (aureicoccus marinus). aureicoccus marinus has been isolated from seawater from the north pacific ocean. aureicoccus scientific classification domain: bacteria phylum: bacteroidota class: flavobacteriia order: flavobacteriales family: flavobacteriaceae genus: aureicoccuspark et al. 2013 type species aureicoccus marinus species a. marinus