[Class] Polycystinea Ehrenberg, 1838 - polycystines see Superclass Polycystinia Ehrenberg, 1838
   Order Nassellaria Ehrenberg, 1875 see Class Nassellaria Ehrenberg, 1847
     Family Pterocorythidae Haeckel, 1881 see Family Pterocoryidae Haeckel, 1881
       Genus †Calocycletta Haeckel, 1887
         1 †Calocycletta acanthocephala (Ehrenberg)
         2 †Calocycletta caepa Moore, 1972
         3 †Calocycletta cladara Sanfilippo & Riedel, 1992
         4 †Calocycletta costata (Riedel, 1959)
         5 †Calocycletta parva Moore, 1972
         6 †Calocycletta robusta Moore, 1971
         7 †Calocycletta serrata Moore, 1972
         8 †Calocycletta virginis Haeckel, 1887