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]
           Phylum Candidatus Parcubacteria (OD1) Rinke et al. 2013
             Genus "Candidatus Paceibacter"ᵀ Rinke et al. 2013 nom. pro-inval.
               1 Candidatus Paceibacter normaniiᵀ Rinke et al. 2013