title: Observations on the identity of the avian schistosome Trichobilhariza ocellata (La Valette, 1855) Brumpt, 1931.
mesh_terms: D000818:Animals; D004372:Ducks / Q000469:parasitology*; D005243:Feces / Q000469:parasitology; D005260:Female; D008195:Lymnaea / Q000469:parasitology*; D008297:Male; D010063:Ovum / Q000166:cytology; D014200:Trematoda / Q000033:anatomy & histology*