acetobacteroides acetobacteroides acetobacteroides is a bacterial genus from the family of williamwhitmaniaceae with one known species (acetobacteroides hydrogenigenes). acetobacteroides scientific classification domain: bacteria phylum: bacteroidota class: bacteroidia order: bacteroidales family: williamwhitmaniaceae genus: acetobacteroidessu et al. 2014 type species acetobacteroides hydrogenigenes species a. hydrogenigenes