Polystoma sp.
Host and locality record: Trachycephalus nigromaculatus (locality not reported), Trachycephalus mesophaeus (= Hypsiboas mesophaea) (locality not reported) and Leptodactylus pentadactylus (locality not reported)
Distribution: Ecuador
Site of infection: Urinary balder
Stage: Adult
Reference: Kohn et al. 1978