CH XSMOSU'RUS MORPHOLOGY 



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Fig. 30. — Skull of Chasmosaurus belli, palatal view, y$ natural size, bo, basioccipital; bs, basisphenoid; e, epoccipitals; 

 exo, exoccipital ; ;', jugal; mx, maxillary; oc, occipital condyle; ^.parietal; />/, parietal fenestra; pi, palatine; pnx, prc- 

 maxillary; ft, pterygoid ; j, quadrate; qj, quadratojugal; r, rostral; sq, squamosal ; /, tooth; vo, vomer. 



