phaeodactylibacter luteus phaeodactylibacter luteus phaeodactylibacter luteus is a gram-negative, aerobic and non-motile bacterium from the genus of rubidimonas which has been isolated from the alga picochlorum from the indian ocean. phaeodactylibacter luteus scientific classification domain: bacteria phylum: bacteroidota class: saprospiria order: saprospirales family: lewinellaceae genus: phaeodactylibacter species: p. luteus binomial name phaeodactylibacter luteuslei et al. 2015 type strain kctc 42180, mccc 1f01222, gyp20