[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
           1.1 Prochristianella hispida (Linton, 1890)
           1.2 Prochristianella clarkeae Beveridge, 1990
           1.3 Parachristianella baverstocki Beveridge, 1990
           1.4 Parachristianella indonesiensis Palm, 2004
           1.5 Parachristianella monomegacantha Kruse, 1959
           1.6 Parachristianella sp. [HP 43]
           1.7 Genus Trimacracanthus Beveridge & Campbell, 1987
           2.1 Genus Halysiorhynchus Pintner, 1913 [monotypic]
           2.2 Genus Trygonicola Beveridge & Campbell, 1998 [monotypic]