title: Echinocephalus sinensis n.sp. (Nematoda: Gnathostomatidae) from the ray (Aetabatus flagellum) in Hong Kong, Southern China.
mesh_terms: D000818:Animals; D005399:Fishes / Q000469:parasitology; D006723:Hong Kong; D009348:Nematoda / Q000033:anatomy & histology / Q000145:classification*