organisms
 see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
  
 Domain eukaryotes
 see Domain Eukaryota Chatton, 1925
    
 amoeboid protists
      
 "testate amoebae with filopodia"
 see Class Testaceafilosea
        
 Family Pseudodifflugiidae de Saedeleer, 1934
          
 1 ?Genus Ovulinata Anderson, Rogerson & Hannah, 1996
          
 2 Genus Pseudodifflugia Schlumberger, 1845