[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Kingdom Protista (Haeckel, 1866) - protists
     Phylum Protozoa (Goldfuss, 1818) C.T. von Siebold, 1854 see Kingdom Protozoa Goldfuss, 1818
       Subphylum Sarcomastigophora see Phylum Sarcomastigophora Honigberg & Balamuth, 1963
         Class Sarcodina
           Subclass Rhizopoda see Phylum Rhizopoda Dujardin, 1835
             Order Foraminiferida d'Orbigny, 1826 - foraminiferans see Class Foraminifera d'Orbigny, 1826
               Genus Elphidium Montfort, 1808