[Class] Cestoda - tapeworms see Infraclass Cestoda
   Order Trypanorhyncha Diesing, 1863
     Suborder Trypanoselachoida Olson, Caira, Jensen, Overstreet, Palm & Beveridge, 2010
       Superfamily Gymnorhynchoidea Dollfus, 1935
         Family Gilquiniidae Dollfus, 1935
           Genus Sagittirhynchus Beveridge & Justine, 2006 [monotypic]
             Sagittirhynchus aculeatusᵀ Beveridge & Justine, 2006