[Class] Cestoda - tapeworms see Infraclass Cestoda Order Lecanicephalidea Hyman, 1951 Family Aberrapecidae Jensen, Caira, Cielocha, Littlewood & Waeschenbach, 2016 [monotypic] Genus Aberrapex Jensen, 2001 Aberrapex arrhynchum (Brooks, Mayes & Thorson, 1981)