Which of the following is incorrect about Pachycephalosauria.

Greenhouse conditions caused by enhanced heat absorption in the Earth’s atmosphere are unique to the present day Earth.

Listed below are important factors related to the understanding of cladograms. Which of the following is false?

As we learned in class, the head crests of some Ornithopods (e.g. Lambeosaurinae) were not exaggerated through their evolution.  What is the possible explanation for this?  Support this argument using another evolutionary trend seen in different members of Ornithopods.

Which of the following is the correct order of eras from newest to oldest?

There are two clades within the group ankylosauria: Ankylosauridae and Nodosauridae. Nodosaurs can be diagnosed by the distinctive acromial process (large knob of bone on the shoulder blade) and parascapular spines (shoulder spines). Below, label the nodosaurid and the ankylosaurid:

There are many signs in bonebed discoveries that hint at the establishment of parental care. In the case of ornithopods, which is NOT one of them?

Monophyletic groups:

The name of the rock (formation) famous for dinosaur fossils, exposed near Glendive, MT is called _____________.

Listed below are diagnostic characters of Chordata except for: