If you look along the edge of the frill, they have these little triangular bones that actually grow big as triangles and then they flatten against the frill pretty much like the spikes do on the Pachycephalosaurs.
我们再看看它头盾的边褶 有很多小小的三角形骨突 这些骨突会逐渐长大 使头盾的边缘逐渐平滑 这和厚头龙脑后的尖刺 是类似的