living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Eukaryotae see Domain Eukaryota Chatton, 1925
     Animalia Linnaeus, 1758 - animals
       Protozoa Goldfuss, 1818 see Kingdom Protozoa Goldfuss, 1818
         Sarcomastigophora Honigberg & Balamuth, 1963
           Sarcodina - amebas
             Rhizopoda - rhizopodans see Phylum Rhizopoda Dujardin, 1835
               Lobosa Carpenter, 1861 see Infraphylum Lobosa Carpenter, 1861
                 Gymnamoeba see [unranked] Gymnamoebae
                   Amoebida - naked lobosid amebas see Class Amoebaea
                     Tubulina see Order Tubulinida Smirnov et al., 2005
                       Hartmannellidae Volkonsky, 1931
                         Hartmannella Alexeieff, 1912
                           Hartmannella vermiformis Page, 1967 see Vermamoeba vermiformis (Page, 1967)