[Class] Polycystinea Ehrenberg, 1838 - polycystines see Superclass Polycystinia Ehrenberg, 1838 Count: [*†*] 2o;18f;204g;393s;12ss; †2f;149g;793s;71ss;1v [25 Oct 2018] Order Nassellaria Ehrenberg, 1875 see Class Nassellaria Ehrenberg, 1847 Count: [*†*] 10f;117g;242s;9ss; †1f;100g;581s;54ss;1v [25 Oct 2018] Family Theoperidae Haeckel, 1881 Count: [*†*] 30g;73s; †42g;245s;28ss;1v [25 Oct 2018] Genus †Eusyringium Haeckel, 1881 Count: [†*] †3s [25 Oct 2018] †Eusyringium fistuligerum (Ehrenberg, 1873) Count: -