Oxyascaris oxyascaris Travassos, 1920

Hosts and locality records: Ischnocnema guentheri (= Eleutherodactylus guentheri) (RJ), Leptodactylus fuscus (MS), Leptodactylus macrosternum (locality not reported), Leptodactylus mystaceus (RJ), Leptodactylus mystacinus (MS), Leptodactylus latrans (= Leptodactylus ocellatus) (PR, SP, RJ), Physalaemus signifer (RJ), Physalaemus soaresi (RJ), Pleurodema diplolister (Peters) (BA), Proceratophrys boiei (RJ) and Rhinella schneideri (locality not reported)

Distribution: Brazil and Paraguay

Site of infection: stomach and intestine

Stage: adult

Reference: Travassos (1920; 1925), Vicente and Santos (1976), Fabio (1980; 1982), Baker and Vaucher (1985), Rodrigues (1986), Rodrigues et al. (1990), Vicente et al. (1991), Martins and Fabio (2005) and Klaion et al. (2011)