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 Family Nucleariidae Cann & Page, 1979 Genus Nuclearia Cienkowski, 1865