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
       Gymnamoebae - naked ramicristate amoebae
         Order Centramoebida Rogerson & Patterson, 2002
           Family Acanthamoebidae Sawyer & Griffin, 1975
             1 Genus Acanthamoeba Volkonsky, 1931
             2 Genus Protacanthamoeba F.C. Page, 1981