organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020] Domain eukaryotes see Domain Eukaryota Chatton, 1925 flagellated protists residual free-living and predatory heterotrophic flagellates Family Thaumatomastigaceae Patterson & Zölffel (1991) see Family Thaumatomastigidae Patterson & Zölffel, 1991