Kingdom Protoctista Hogg, 1860 Phylum Rhizopoda Dujardin, 1835 - rhizopods see Phylum Cercozoa Cavalier-Smith, 1998 Class Filosea Leidy, 1879 - filose amebas Order Aconchulinida de Saedeleer, 1934 1 Genus Nuclearia Cienkowski, 1865