title: Systematic status of Tetraonchus loftusi n. sp. (Monogenoidea: Tetraonchidae) and comparative studies of T. monenteron (Wagener, 1857) Diesing, 1858, and T. variabilis Mizelle and Webb, 1953.
mesh_terms: D000818:Animals; D005393:Fish Diseases / Q000209:etiology; D005399:Fishes; D014200:Trematoda / Q000145:classification*; D014201:Trematode Infections / Q000209:etiology / Q000662:veterinary