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 dorsates Cavalier-Smith, 2021
                   Clade podiates Cavalier-Smith, 2012
                     [crown] Clade Amorphea Adl et al. 2012 [Simpson, Medina & Adl 2020]
                       Phylum Amoebozoa Lühe, 1913 [coordinate rank]
                         Subphylum Tevosa Kang, Tice, Spiegel, Silberman, Pánek, Čepička, Kostka, Kosakyan, Alcântara, Roger, Shadwick, Smirnov, Kudryavtsev, Lahr & Brown, 2017
                           Infraphylum Conosa Cavalier-Smith, 1998
                             Class Variosea Cavalier-Smith, 2004 [coordinate rank] [paraphyletic?]
                               Order Phalansteriida Hibberd, 1983
                                 Family Rigidomastigidae Cavalier-Smith, 2013 [monotypic]
                                   Genus Rigidomastixᵀ Aléxéieff, 1929 [monotypic]
                                     1 Rigidomastix coprocolaᵀ Aléxéieff, 1929