Onchobothriidae Braun, 1900
Potamotrygonocestus amazonensis Mayes, Brooks & Thorson, 1981
Potamotrygonocestus chaoi Marques, Brooks & Araujo, 2003
Potamotrygonocestus fitzgeraldae Marques, Brooks & Araujo, 2003
Potamotrygonocestus magdalenensis Brooks & Thorson, 1976
Potamotrygonocestus maurae Marques, Brooks & Araujo, 2003
Potamotrygonocestus orinocoensis Brooks, Mayes & Thorson, 1981
Potamotrygonocestus travassosi Rego, 1979
