Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           Domain Bacteria Woese et al. 2024
             Kingdom Thermotogati Battistuzzi and Hedges 2024
               Phylum Synergistota Jumas-Bilak et al. 2021
                 Class Synergistiaᵀ Jumas-Bilak et al. 2009 [monotypic]
                   Order Synergistalesᵀ Jumas-Bilak et al. 2009
                     Family Synergistaceaeᵀ Jumas-Bilak et al. 2009
                       Genus Acetomicrobium Soutschek et al. 1985
                         Acetomicrobium faecale corrig. Winter et al. 1988