Phylum Radiolaria Müller, 1858
see Subphylum Radiozoa Cavalier-Smith, 1987
Superclass Polycystina Ehrenberg, 1838
see Superclass Polycystinia Ehrenberg, 1838
Class Stauraxonaria Afanasieva & Amon, 2005
Order Pyloniata Haeckel, 1881
Superfamily Pylonioidea Haeckel, 1881
Family Pyloniidae Haeckel, 1881
Subfamily †Palaeotetrapylinae Dumitrica, 1988 [monotypic]
Genus †Palaeotetrapyle Dumitrica, 1988