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 "Planctomycetes" Garrity and Holt 2001
                 Class "Planctomycetacia"ᵀ [monotypic]
                   Order Planctomycetalesᵀ Schlesner and Stackebrandt 1987 [monotypic]
                     Family Planctomycetaceaeᵀ Schlesner and Stackebrandt 1987
                       Genus Planctomycesᵀ Gimesi 1924 (Approved Lists 1980)
                         1 Planctomyces bekefii Gimesi 1924 (Approved Lists 1980)
                         2 Planctomyces brasiliensis Schlesner 1990
                         3 Planctomyces guttaeformis (ex Hortobágyi 1965) Starr and Schmidt 1984
                         4 Planctomyces maris (ex Bauld and Staley 1976) Bauld and Staley 1980
                         5 Planctomyces stranskae (ex Wawrik 1952) Starr and Schmidt 1984