All of these dinos had impressive armor, but none of the nodosaurids had clubs.

所有这些恐龙都拥有令人印象深刻的盔甲，但结节龙类都没有棍棒。

Now, the ankylosaur family tree can be split into two main groups, the ankylosaurids and the nodosaurids.

现在， 甲龙科可以分为两大类，甲龙科和结节龙科。