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. 1990 [paraphyletic?]
             Superphylum "Proteobacteria" Craig et al. 2010
               Phylum "Gammaproteobacteria" Garrity et al., 2005 [monotypic]
                 Class Gammaproteobacteriaᵀ Garrity et al. 2005
                   Order Aeromonadales Martin-Carnahan and Joseph 2005
                     Family Aeromonadaceaeᵀ Colwell et al. 1986
                       Genus Oceanisphaera Romanenko et al. 2003
                         Oceanisphaera litoralisᵀ Romanenko et al. 2003
                         Oceanisphaera donghaensis Park et al. 2006
                         Oceanisphaera ostreae Choi et al. 2011
                         Oceanisphaera arctica Srinivas et al. 2012
                         Oceanisphaera profunda Xu et al. 2014
                         Oceanisphaera sediminis Shin et al. 2012