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 Thaumatomastigidae Patterson & Zölffel, 1991
           1 Genus Gyromitus Skuja, 1939
           2.1 Genus Hyaloselene Skuja, 1956
           2.2 Genus Synoikomonas Skuja (1964) see Genus Hyaloselene Skuja, 1956
           3 Genus Protaspis Skuja, 1939, nom. illeg. see Genus Protaspa A.T. Howe et al., 2011
           4 Genus Rhizaspis Skuja, 1948
           5 Genus Thaumatomonas De Saedeleer, 1931
           6 Genus Thaumatomastix Lauterborn, 1899