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 Pseudomonadati (Gibbons and Murray 1978) Oren and Göker 2024
               Phylum Verrucomicrobiota Hedlund 2021
                 Class Opitutia corrig. Choo et al. 2007
                   Order Opitutalesᵀ Choo et al. 2007
                     Family Pelagicoccaceae Min et al. 2023 [monotypic]
                       Genus Pelagicoccusᵀ 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