鳖甲为鳖科动物鳖 Trionyx sinensis wieg-mann 的背甲。鼋甲为鳖科动物鼋 Pelochelysbibroni(Owen)的背甲。最近我们发现有用鼋甲充鳖甲的现象,现将两者的主要性状特征比较如下,供参考。鳖甲呈椭圆形或矩圆形,背面微隆起,长7—25cm,宽5—20cm。背面黑褐色或墨绿色,具网状皱纹,中间有一条纵棱,两侧各有左右对称的横凹纹8条,外皮脱落后可见锯齿状嵌接缝,有的在第一凹纹处有一对圆孔,位 The armor is the armor of Trionyx sinensis wieg-mann. The armor is the armor of Pelochelysbibroni (Owen). Recently, we have discovered that there is a phenomenon in which armor is inflated. The main characteristics of the two are compared below for reference. Armor is elliptical or oblong, the back of the micro uplift, length 7-25cm, width 5-20cm. The back of dark brown or dark green, with a network of wrinkles, the middle of a longitudinal rib, both sides of the left and right symmetry of the transverse indentation 8, after the skin off the sawtooth-like inlays, some in the first indentation For round holes, bits