Figure 9.

Simoedosaurus dakotensis (SMM P76.10.1) from the Paleocene of western North Dakota (near top of Slope Formation), USA: (a) skull in palatal view, digital image above and line drawing below (the letters b–h correspond to the following close‐up images below); color coding of the different regions of the palatal dentition is the same as in Fig. 2; (b) anterior vomerine teeth; (c) anterior palatine teeth; (d) posterior pterygoid, lateral tooth row; (e) posterior pterygoid, medial tooth row; (f) pterygoid flange in lateral view; (g) pterygoid flange in posterior view; (h) pterygoid flange teeth in lateral view.