. Bulletin of the Natural Histort Museum. Geology series. 20 CHARIG AND MILNER. Fig. 7 Baryonyx walkeri, holotype, BMNH R9951; left postorbital. A, lateral view; B, medial, x groove, njnning parallel to its posterior margin. From its posterodorsal region a large process projects mediad, like a flat-topped shelf supported strongly from below by a stout, rounded buttress; this presumably underlay the parietal. Anterior to this a weak concavity faces dorsomedially. Frontal, parietal, and anterior end of braincase (LATEROSPHENOID, ORBITOSPHENOID) (Fig. 8). A StOUt plate of bone, ver
. Bulletin of the Natural Histort Museum. Geology series. 20 CHARIG AND MILNER. Fig. 7 Baryonyx walkeri, holotype, BMNH R9951; left postorbital. A, lateral view; B, medial, x groove, njnning parallel to its posterior margin. From its posterodorsal region a large process projects mediad, like a flat-topped shelf supported strongly from below by a stout, rounded buttress; this presumably underlay the parietal. Anterior to this a weak concavity faces dorsomedially. Frontal, parietal, and anterior end of braincase (LATEROSPHENOID, ORBITOSPHENOID) (Fig. 8). A StOUt plate of bone, very thick and with a smooth surface, and sheared off medially just to the right of the midline, comprises the greater part of the right frontal. It is continuous posteriorly with part of the parietal; a fairly straight line across the bone surface, more or less at right angles to the sagittal plane, may well be the suture between parietal, behind that somewhat dubious suture, extends posteriorly and curves dorsally to form a steep transverse crest, thin from front to back; this crest, some 70 mm high, becomes thinner dorsally and ends in a flat top. The weakly concave ventral surface of the frontal is the ceiling of the posterior part of the orbit. The parietal and frontal together. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Natural History Museum (London). Andover : Intercept
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