Fig. 3 in Morphology and evolutionary significance of the atlas-axis complex in varanopid synapsids

Fig. 3. Atlantal pleurocentrum and axial intercentrum of varanopids. A. The varanodontine Varanops brevirostris Campione and Reisz, 2010, Vale Formation, Clear Fork Group, Lower Permian, Mud Hill locality, Taylor County, Texas, TMM 43628−1, in anterior (A1), posterior (A2), and right lateral (A3) views. B. An undescribed mycterosaurine, Lower Permian, Richards Spur Locality, Comanche County, Oklahoma, OMNH 73500, in posterior (B1) and left lateral (B2) views.