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
                               Tubothalamea Pawlowski, Holzmann & Tyszka, 2013
                                 Class Miliolata Saidova, 1981 - porcelaneous foraminifers
                                   Family †Milioliporidae Brönnimann & Zaninetti, 1971, incertae sedis
                                     Subfamily †Orthotrinacriinae Zaninetti, Senowbari-Daryan, Ciarapica & Cirilli, 1985 [monotypic]
                                       1 Genus †Orthotrinacriaᵀ Zaninetti, Senowbari-Daryan, Ciarapica & Cirilli, 1985