Oswaldocruzia mazzai Travassos, 1935

Host and locality record: Leptodactylus fuscus (TO), Leptodactylus latrans (= Leptodactylus ocellatus) (TO), Leptodactylus mystaceus (SC), Leptodactylus pentadactylus (SC), Leptodactylus pustulatus (TO), Pristimantis altamazonicus Barbour & Dunn, Rhinella icterica (RJ), Rhinella marina (RD), Rhinella margaritifera (SC, RD)

Distribution: Brazil, Ecuador and Guyana

Site of infection: small intestine and large intestine

Stage: Adult

Reference: Dyer and Altig (1977), Ben Slimane et al. (1996a; 1996b), Goldberg et al. (2009), and McAllister et al. (2010d)