Cercozoa Cavalier-Smith, 1998 Filosa T. Cavalier-Smith & E.E.-Y. Chao, 2003 Imbricatea T. Cavalier-Smith & E.E.-Y. Chao, 2003 Spongomonadida Hibberd, 1984 1 Genus Spongomonas Stein, 1878