gramella forsetii gramella forsetii gramella forsetii is a gram-negative, strictly aerobic, chemoorganotrophic and heterotrophic bacterium from the genus of gramella which has been isolated from water from roads from helgoland near the north sea. gramella forsetii scientific classification domain: bacteria phylum: bacteroidota class: flavobacteriia order: flavobacteriales family: flavobacteriaceae genus: gramella species: g. forsetii binomial name gramella forsetiipanschin et al. 2017 type strain kt0803