释义 |
pleu·ra·can·thus \ˌplu̇rəˈkan(t)thəs\ noun Usage: capitalized Etymology: New Latin, from pleur- + -acanthus : a genus (the type of the family Pleuracanthidae) of Paleozoic sharks of the Carboniferous and Lower Permian of Europe and No. America having a subterminal mouth, long dorsal fin, and a strong serrated spine on the nape |