Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         [[crown] organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           [Domain Eucaryota]
             [Subdomain Chlorota Doweld (2001)]
               [Kingdom Bacillariobiota Doweld (2001)]
                 1 [Subkingdom Labyrinthulobiotina Doweld (2001)]
                 2 [Subkingdom Saprolegniobiotina Doweld (2001)]
                 3 [Subkingdom Bacillariobiotinaᵀ Doweld (2001)]
                 4 [Subkingdom Acanthocystobiotina Doweld, 2001]
                 5 [Subkingdom Prymnesiobiotina Doweld (2001) [monotypic]]