variovorax variovorax variovorax is a gram-negative and motile genus of bacteria from the family comamonadaceae. variovorax scientific classification domain: bacteria phylum: pseudomonadota class: betaproteobacteria order: burkholderiales family: comamonadaceae genus: variovoraxwillems et al. 1991 type species variovorax paradoxus species v. boronicumulans v. defluvii v. dokdonensis v. ginsengisoli v. gossypii v. guangxiensis v. humicola v. paradoxus v. soli