Cercozoa Cavalier-Smith, 1998 Filosa T. Cavalier-Smith & E.E.-Y. Chao, 2003 Thecofilosea T. Cavalier-Smith & E.E.-Y. Chao, 2003 Phaeodaria Haeckel, 1879 1 Genus Protaspa A.T. Howe et al., 2011 2 Ventricleftida Cavalier-Smith, 2011