FIGURE 2 in Complex Overlapping Joints between Facial Bones Allowing Limited Anterior Sliding Movements of the Snout in Diplodocid Sauropods

FIGURE 2. Photograph and interpretative line drawing of diplodocid skull AMNH FARB 33054 in medial view. Note the anterior dislocation of the right maxilla, revealing the underlying sediment. Photograph by M. Ellison. Abbreviations: aof, antorbital fenestra; bc, braincase; bo, basioccipital; bpr, basipterygoid process; bt, basal tubera; f, frontal; j, jugal; L, left; la, lacrimal; ltf, laterotemporal fenestra; m, maxilla; n, external nares; o, orbit; paofe, preantorbital fenestra; pf, prefrontal; pm, premaxilla; po, postorbital; popr, paroccipital process; pra, proatlas; psr, parasphenoid rostrum; pt, pterygoid; q, quadrate; qj, quadratojugal; R, right; sq, squamosal.