perexilibacter perexilibacter perexilibacter is a genus from the family of flammeovirgaceae with one known species (perexilibacter aurantiacus). perexilibacter scientific classification kingdom: bacteria phylum: bacteroidota class: cytophagia order: cytophagales family: flammeovirgaceae genus: perexilibacteryoon et al. 2007 type species perexilibacter aurantiacus species p. aurantiacus