Family Cladorchiidae

Chiostichiorchis mypopotami

Myocastor coypus, Unspecified locality, Artigas & Pacheco (1933) in Babero & Lee (1961).

Chiostichorchis waltheri

Myocastor coypus, Chaco region, Argentina, Boero & Boehringer (1967a).

Myocastor coypus, Chaco, Buenos Aires and Corrientes, Argentina, Martínez (1986, 2003); Sutton (1989) and Sutton & Damborenea (2000) in Lunaschi & Drago (2007).

Myocastor coypus, Unspecified locality, Artigas & Pacheco (1932) in Boero & Boehringer (1967a).

Cladorchis pyriformis

Holochilus brasiliensis, Buenos Aires, Argentina, Sutton & Lunaschi (1990) and Sutton & Damborenea (2000) in Lunaschi & Drago (2007).