Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         [crown] Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           Domain Bacteria Woese et al. 1990 [paraphyletic?]
             Superphylum Planctomycetes-Verrucomicrobia-Chlamydiae (PVC) Wagner and Horn 2006
               Phylum Verrucomicrobia Hedlund 2011
                 Class Opitutae Choo et al. 2007
                   Order Puniceicoccales Choo et al. 2007 [monotypic]
                     Family Puniceicoccaceaeᵀ Choo et al. 2007
                       Genus Pelagicoccus Yoon et al. 2007
                         1 Pelagicoccus albus Yoon et al. 2007
                         2 Pelagicoccus croceus Yoon et al. 2007
                         3 Pelagicoccus litoralis Yoon et al. 2007
                         4 Pelagicoccus mobilis Yoon et al. 2007