Phylum Radiolaria Müller, 1858
see Subphylum Radiozoa Cavalier-Smith, 1987
Superclass Polycystina Ehrenberg, 1838
see Superclass Polycystinia Ehrenberg, 1838
Class Sphaerellaria Haeckel, 1881
Order Sphaerellata Haeckel, 1887
Family †Pantanelliidae Pessagno, 1977
Subfamily †Capnodocinae Pessagno, 1979
1 Genus †Capnodoce De Wever, 1979
2 Genus †Justium Blome, 1983
3 Genus †Loffa Pessagno, 1979
4 Genus †Renzium Blome, 1983