Viewed in profile, top of skull and top of muzzle lie in two parallel straight lines of equal length divided by a slight, but perceptible stop or break.

• 从侧面看，头骨的线条与口吻上部的线条是两条平行的直线，长度基本相当，两条线被一个非常轻微但可观察到的止部分隔开来。