ADJ (of the scales of coelacanths and lungfish) consisting of two inner bony layers and an outer layer of cosmine (鱼鳞)具有齿鳞质的
cosmoid scale[古生] 整列鳞
cosmoid ganoid科司美式硬鳞
ADJ（形容词） (of the scales of coelacanths and lungfish) consisting of two inner bony layers and an outer layer of cosmine (鱼鳞)具有齿鳞质的