azovibrio restrictus azovibrio restrictus azovibrio restrictus is a species of bacteria. it is a root bacteria and is the only known species of its genus. azovibrio restrictus scientific classification domain: bacteria phylum: pseudomonadota class: betaproteobacteria order: rhodocyclales family: rhodocyclaceae genus: azovibrio species: azovibrio restrictusreinhold-hurek & hurek, 2000