[Class] Cestoda - tapeworms see Infraclass Cestoda
   Order Caryophyllidea Lankester, 1877
     Family Caryophyllaeidae Leuckart, 1878
       Genus Biacetabulum Hunter, 1927
         01 Biacetabulum infrequensᵀ Hunter, 1927
         02 Biacetabulum banghami Mackiewicz, 1968
         03 Biacetabulum biloculoides Mackiewicz & McCrae, 1965
         04 Biacetabulum carpiodi Mackiewicz, 1969
         05 Biacetabulum giganteum Hunter, 1929
         06 Biacetabulum hoffmani Mackiewicz, 1972
         07 Biacetabulum macrocephalum McCrae, 1962
         08 Biacetabulum meridianum Hunter, 1929
         09 Biacetabulum oregoni Williams, 1978
         10 Biacetabulum tandani Johnston & Muirhead, 1950