organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Domain eukaryotes see Domain Eukaryota Chatton, 1925
     amoeboid and flagellated protists
       Order Pelobiontida Page, 1976 see Order Rhizomastigida Doflein, 1916
         Family Pelomyxidae Schulze, 1877
           Genus Mastigina Frenzel, 1897