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 discaria Cavalier-Smith, 2021
                 Clade natates Cavalier-Smith, 2021
                   Clade photaria Cavalier-Smith, 2021
                     Clade eucorta Cavalier-Smith, 2021
                       Superkingdom Corticata Lankester, 1878 - corticates
                         Kingdom Chromista Caval.-Sm. (1981) - chromists
                           Subkingdom Harosa Cavalier-Smith, 2010
                             [crown] Clade Sar Adl et al. 2012 [Simpson & Dunthorn 2020]
                               Infrakingdom Rhizaria Cavalier-Smith, 2002
                                 Phylum Retaria Cavalier-Smith, 2002
                                   Subphylum Radiozoa Cavalier-Smith, 1987
                                     Superclass Polycystinia Ehrenberg, 1838
                                       Class Nassellaria Ehrenberg, 1847
                                         Order Cyrtidinata Haeckel, 1862
                                           Superfamily Lychnocanioidea Haeckel, 1881
                                             Family Lychnocaniidaeᵀ Haeckel, 1881
                                               Subfamily Ultranaporinae Pessagno, 1977
                                                 Genus Pterocanium Ehrenberg, 1847
                                                   01 ?†Pterocanium gigas Nishimura, 1992
                                                   02 ?†Pterocanium procerum Nishimura, 1992
                                                   03 †Pterocanium audax (Riedel, 1953)
                                                   04 Pterocanium auritum Nigrini & Caulet, 1992
                                                   05 Pterocanium charybdeum Müller, 1858
                                                   06 †Pterocanium contiguum Ehrenberg, 1873
                                                   07 Pterocanium grandiporus Nigrini, 1968
                                                   08 Pterocanium korotnevi (Dogiel, 1952)
                                                   09 †Pterocanium orcinum Haeckel, 1887
                                                   10 Pterocanium praetextum (Ehrenberg, 1872)
                                                   11 †Pterocanium prismatium Riedel, 1957
                                                   12 †Pterocanium satelles (Kozlova, 1966)