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

Figure 8. Left postorbital of Acrocanthosaurus atokensis (NCSM 14345).

Figure 8

Postorbital in (A) lateral and (B) medial views. f, frontal contact; fo, foramina; iop, intraorbital process of postorbital; j, jugal contact; l, lacrimal contact; ls, laterosphenoid contact; ltf, lateral temporal fenestra; o, orbit; ob, orbital boss of postorbital; p, parietal contact; pf, prefrontal contact; sq, squamosal contact; vg, vascular groove.