olleya olleya olleya is a gram-negative, strictly aerobic and chemoheterotrophic genus of bacteria from the family of flavobacteriaceae. olleya is named after the microbiologist june olley. olleya scientific classification domain: bacteria phylum: bacteroidota class: flavobacteria order: flavobacteriales family: flavobacteriaceae genus: olleyamancuso nichols et al. 2005 type species olleya marilimosa species o. algicola o. aquimaris o. marilimosa o. namhaensis o. sediminilitoris