[Class] Polycystinea Ehrenberg, 1838 - polycystines see Superclass Polycystinia Ehrenberg, 1838
   Order Nassellaria Ehrenberg, 1875 see Class Nassellaria Ehrenberg, 1847
     Family Theoperidae Haeckel, 1881
       Genus †Bekoma Riedel & Sanfilippo, 1971
         1 †Bekoma (?) demissa demissa Foreman, 1973
         2 †Bekoma (?) demissa robusta Nishimura, 1992
         3 †Bekoma (?) oliva Nishimura, 1992
         4 †Bekoma bidartensis Riedel & Sanfilippo, 1971
         5 †Bekoma campechensis Foreman, 1973
         6 †Bekoma demissa Foreman, 1973
         7 †Bekoma divaricata Foreman, 1973
         8 †Bekoma helenae Nishimura, 1992