Fig. 9. A in Function and evolution of ankylosaur dermal armor

Fig. 9. A tail club from an indeterminate ankylosaurid (probably Euoplocephalus), TMP 2000.57.03, from the Upper Cretaceous Dinosaur Park Formation of Alberta. A. External surface photograph of specimen. The sketch in panel A is from Carpenter (2004). B–I. CT images of a terminal osteoderm of the tail club of an indeterminate ankylosaurid (TMP 2000.57.03) from the Upper Cretaceous Dinosaur Park Formation of Alberta; see also Fig. 7. The tail club has a complex vascular network. Dashed lines in A indicate cutting planes.