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. 2011 Mar 21;6(3):e17932. doi: 10.1371/journal.pone.0017932

Figure 30. Left prearticular of Acrocanthosaurus atokensis (NCSM 14345).

Figure 30

Prearticular in (A) medial and (B) internal views. Dashed lines represent material not in figure. a, angular contact; c, coronoid contact; imf, internal mandibular fenestra; mhf, mylohyoid foramen; sa, surangular contact; spl, splenial contact.