Natura - nature
Status: extant
   actualia - actual entities
  Status: extant
     Mundus Plinius - physical world
    Status: extant
       naturalia - natural bodies
      Status: extant
         [organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
        Distribution: cosmopolitan (marine, brackish, freshwater & terrestrial); Status: extant
           [Domain Eucaryota]
          Status: extant
             [Subdomain Chlorota Doweld (2001)]
            Status: extant
               [Kingdom Peridiniobiota Starobogatov ex Doweld (2001)]
              Status: extant
                 [Subkingdom Parameciobiotina Starobogatov, 1986 [monotypic]]
                Status: extant
                   [Phylum Parameciozoaᵀ Kussakin & Drozdov, 1998]
                  Status: extant
                     [Subphylum Oxytrichozoina Doweld, 2001]
                    Status: extant
                       1 [Class Oxytrichateaᵀ Doweld, 2001]
                      Status: extant
                       2 [Class Spathidiatea Doweld, 2001]
                      Status: extant