[Class] Cestoda - tapeworms see Infraclass Cestoda Order Onchoproteocephalidea Caira, Jensen, Waeschenbach, Olson & Littlewood, 2014 Genus Potamotrygonocestus Brooks & Thorson, 1976 Potamotrygonocestus marajoara Luchetti, Marques & Charvet-Almeida, 2008