尖牙，尖物长而突出的牙齿或齿状物在某些分类中，是爪蟾属的一科，但在其他一些分类中被归于负子蟾科。
A long , projecting tooth or toothlike part . in some classifications the family of the genus Xenopus which is otherwise included in the family Pipidae .
负子蟾