Catadiscus propinquus Freitas & Dobin Jr., 1956
Hosts and locality record: Lithobates palmipes (locality not reported) Leptodactylus podicipinus (MS), Pseudis limellum (= Lysapisus limellum) (CO) and Leptodactylus chaquensis (CO)
Distribution: Argentina and Brazil
Site of infection: large intestine
Stage: adult
Reference: Freitas and Dobbin Jr. (1956), Dobbin Jr. (1957a), Travassos et al. (1969), Kehr et al. (2000), Hamann (2004), Hamann, Kehr and González (2006) and Campião et al. (2009; 2010)