. . . . . . . . "9AQUI" . . "Obligately chemolithotrophic hydrogen bacteria" . "Hydrogenic oxygen reducing bacteria" . "Oxygen-reducing bacteria" . "Oxygen reducing bacteria" . "Aquifecales" . "Aquificales Reysenbach 2002" . "Oligately chemolithotrophic hydrogen bacteria" . "true"^^ . "Aquificales" .