aurantibacter crassamenti aurantibacter crassamenti aurantibacter crassamenti is a gram-negative, strictly aerobic, chemoheterotrophic and rod-shaped bacterium from the genus of aurantibacter which has been isolated from marine sediments from japan. aurantibacter crassamenti scientific classification domain: bacteria phylum: bacteroidota class: flavobacteria order: flavobacteriales family: flavobacteriaceae genus: aurantibacter species: a. crassamenti binomial name aurantibacter crassamentiyoon and kasai 2017 type strain hg732