living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Eukaryotae see Domain Eukaryota Chatton, 1925
     Kingdom Animalia Linnaeus, 1758 - animals
       Subkingdom Protozoa Goldfuss, 1818 see Kingdom Protozoa Goldfuss, 1818
         Phylum Sarcomastigophora Honigberg & Balamuth, 1963
           Subphylum Sarcodina - amebas
             Superclass Rhizopoda - rhizopodans see Phylum Rhizopoda Dujardin, 1835
               Class Acrasea Olive, 1975 see Class Heterolobosea Page & Blanton, 1985
                 Order Acrasida Schröter, 1886 - acrasids
                   Family Fonticulidae Worley, Raper & Hohl, 1979
                     Genus Fonticula Worley, Raper & Hohl, 1979
                       Fonticula alba Worley, Raper & Hohl, 1979