Phylum Radiolaria Müller, 1858 see Subphylum Radiozoa Cavalier-Smith, 1987
Period: Cambrian - Present [541 Mya - present]; Status: extant; Count: [g†g] 5c;15o;48f;453g; †1c;11o;84f;674g;1s [2 Oct 2018]
   Superclass Polycystina Ehrenberg, 1838 see Superclass Polycystinia Ehrenberg, 1838
  Period: Cambrian - Present [541 Mya - present]; Status: extant; Count: [g†g] 5c;15o;48f;453g; †1c;11o;84f;674g;1s [2 Oct 2018]
     Class Nassellaria Ehrenberg, 1847
    Period: Cambrian - Present [541 Mya - present]; Status: extant; Count: [g†g] 2o;22f;294g; †1o;32f;299g [29 Sep 2018]
       Order Cyrtidinata Haeckel, 1862
      Period: Triassic - Present [252.17 Mya - present]; Status: extant; Count: [g†g] 19f;233g; †24f;242g [22 Sep 2018]
         Superfamily Archipilioidea Haeckel, 1881
        Period: Triassic - Present [252.17 Mya - present]; Status: extant; Count: [g†g] 4f;59g; †1f;16g [13 Sep 2018]
           Family Archipiliidae Haeckel, 1881
          Period: Triassic - Present [252.17 Mya - present]; Status: extant; Count: [g†g] 37g; †14g [12 Sep 2018]
             Subfamily Lophophaeninae Haeckel, 1881
            Period: Jurassic - Present [201.3 Mya - present]; Status: extant; Count: [g†g] 9g; †2g [9 Sep 2018]
               Genus †Thetis De Wever, 1982, nom. illeg.
              Status: fossil; Count: -