Family Plagiorchiidae (Lühe, 1901) Ward, 1917
Haematoloechus Looss, 1899
Haematoloechus longiplexus Stafford, 1902
Hosts and records: Ceratophrys cranwelli Barrio, 1980 (SF), Bufo fernandezae Gallardo, 1957 (C), Leptodactylus chaquensis Cei, 1950 (C), Leptodactylus latinasus Jiménez de la Espada, 1875 (C).
Site of infection: lungs.
Reference: Hamann & Pérez (1999), Hamann et al. (2006).
Haematoloechus ozorioi Freitas & Lent, 1939
Syn . Pneumonoeces ozorioi sensu Suriano, 1970 Host and record: Leptodactylus ocellatus (Linnaeus, 1758) (BA). Site of infection: lungs.
Reference: Suriano (1970).
Haematoloechus sp.
Host and record: Pseudopaludicola boliviana Parker, 1927 (C). Site of infection: lungs.
Reference: Duré et al. (2004).