[Class] Cestoda - tapeworms see Infraclass Cestoda Order Onchoproteocephalidea Caira, Jensen, Waeschenbach, Olson & Littlewood, 2014 Genus Potamotrygonocestus Brooks & Thorson, 1976 Potamotrygonocestus orinocoensis Brooks, Mayes & Thorson, 1981