NCIt definition : A genus of strictly anaerobic, Gram-variable, bacillus-shaped bacteria with variable
motility in the family Firmicutes. Bacteria in the genus are asaccharolytic and weakly
fermentative on glucose, fructose, and ribose.;
Alternative definition : CDISC: Any bacterial organism that is not assigned to the species level but can be
assigned to the Flavonifractor genus level.;