gelatiniphilus gelatiniphilus gelatiniphilus is a gram-negative, non-spore-forming, rod-shaped and non-motile genus of bacteria from the family of flavobacteriaceae with one known species (gelatiniphilus marinus). gelatiniphilus marinus has been isolated from the microalga picochlorum sp. gelatiniphilus scientific classification domain: bacteria phylum: bacteroidota class: flavobacteria order: flavobacteriales family: flavobacteriaceae genus: gelatiniphilustang et al. 2016 type species gelatiniphilus marinus species g. marinus