[Class] Cestoda - tapeworms see Infraclass Cestoda Order Trypanorhyncha Diesing, 1863 Suborder Trypanobatoida Olson, Caira, Jensen, Overstreet, Palm & Beveridge, 2010 Superfamily Eutetrarhynchoidea Guiart, 1927 Novel clade 2 Genus Halysiorhynchus Pintner, 1913 [monotypic] Halysiorhynchus macrocephalusᵀ (Shipley & Hornell, 1906)