Phylum Radiolaria Müller, 1858 see Subphylum Radiozoa Cavalier-Smith, 1987 Superclass Polycystina Ehrenberg, 1838 see Superclass Polycystinia Ehrenberg, 1838 Class Sphaerellaria Haeckel, 1881 Order †Inaniguttata Nazarov & Ormiston, 1984 Family †Inaniguttidae Nazarov & Ormiston, 1984 1 Subfamily †Inaniguttinae Nazarov & Ormiston, 1984 [monotypic] 2 Subfamily †Inanibiguttinae Afanasieva, 1999 [monotypic]