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]
           Clade "neomura" Cavalier-Smith 1987
             Domain Eukaryota Chatton, 1925 - eukaryotes
               Clade neokaryotes Cavalier-Smith 1993 - mitochondrial eukaryotes
                 Clade neozoa Cavalier-Smith 1993
                   Superkingdom Corticata Lankester, 1878
                     Kingdom Chromista Caval.-Sm. (1981) - chromists
                       Subkingdom Harosa Cavalier-Smith, 2010
                         Infrakingdom Rhizaria Cavalier-Smith, 2002
                           Phylum Retaria Cavalier-Smith, 2002
                             Subphylum Foraminifera d'Orbigny, 1826
                               Class Nodosariata Mikhalevich, 1992, incertae sedis
                                 Subclass Nodosarianaᵀ Mikhalevich, 1992
                                   Order Lagenida Delage & Hérouard, 1896
                                     Family Ellipsolagenidae Silvestri, 1923
                                       Subfamily Oolininae Loeblich & Tappan, 1961
                                         Genus Oolinaᵀ d'Orbigny, 1840
                                           Oolina marginata