[Class] Cestoda - tapeworms see Infraclass Cestoda
   Order Trypanorhyncha Diesing, 1863
     Suborder Trypanoselachoida Olson, Caira, Jensen, Overstreet, Palm & Beveridge, 2010
       Superfamily Gymnorhynchoidea Dollfus, 1935
         Family Sphyriocephalidae Pintner, 1913
           Genus Heterosphyriocephalus Palm, 2004
             1 Heterosphyriocephalus oheulumiaeᵀ Palm, 2004
             2 Heterosphyriocephalus encarnae Dallarés, Carrassón & Schaeffner, 2017