The nasal horn is a synapomorphy or shared derived character of the ceratopsid clade.

鼻角是角龙类进化枝突触形态或共有衍生特征。

Another word for shared derived character is synapomorphy.

共享派生字符个词是 synapomorphy。

What is a shared derived character or synapomorphy of pachycephalosaurs?

什么是厚头龙共同衍生特征或联结形态？

Let's spend some more time on this concept of synapomorphy.

让我们花更多时间在这个突触概念上。